Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Substrate contains cellulosic material

Subclass of:

435 - Chemistry: molecular biology and microbiology

435041000 - MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION

435132000 - Preparing oxygen-containing organic compound

435155000 - Containing hydroxy group

435157000 - Acyclic

435161000 - Ethanol

435163000 - Produced as by-product, or from waste, or from cellulosic material substrate

Patent class list (only not empty are listed)

Deeper subclasses:

Entries
DocumentTitleDate
20110177574Method and Apparatus for Processing Waste Containing Fermentable Raw Material - The invention relates to a method and an apparatus for processing waste (07-21-2011
20110189744Construction of Protrophic/Celluloytic Yeast Strains Expressing Tethered and Secreted Cellulases - The present invention is directed to the construction of prototrophic, cellulo lytic strains of 08-04-2011
20110195471PRODUCTION OF BIODIESEL, CELLULOSIC SUGARS, AND PEPTIDES FROM THE SIMULTANEOUS ESTERIFICATION AND ALCOHOLYSIS/HYDROLYSIS OF MATERIALS WITH OIL-CONTAINING SUBSTITUENTS INCLUDING PHOSPHOLIPIDS AND CELLULOSIC AND PEPTIDIC CONTENT - The present invention relates to a method for producing fatty acid alkyl esters as well as cellulosic simplified sugars, shortened protein polymers, amino acids, or combination thereof resulting from the simultaneous esterification and hydrolysis, alcoholysis, or both of algae and other oil containing materials containing free fatty acids (FFA), glycerides, or combination thereof as well as polysaccharides, cellulose, hemicellulose, lignocellulose, protein polymers, or combination thereof in presences of an alcohol and an acid catalyst.08-11-2011
20090325254HIGHLY ACTIVE XYLOSE REDUCTASE FROM NEUROSPORA CRASSA - A new xylose reductase encoding gene from 12-31-2009
20130078695Pretreatment Method for Producing Water-Soluble Sugars From Lignocellulosic Material - The invention relates to manufacturing hydrolyzable cellulose and further, if desired, sugars from lignocellulosic material by means of formic and performic acid treatment.03-28-2013
20090246848PROCESS AND APPARATUS FOR DEWATERING CELLULOSIC FERMENTATION PRODUCTS - A liquid mixture of water and a small percentage of an alcohol, for example a cellulosic fermentation broth, is converted into a mixture of vapours. The vapour mixture includes an increased percentage of alcohol vapour relative to the liquid mixture but is mostly water vapour. Water vapour is removed from the vapour mixture by permeation through a vapour separation membrane unit. Retained vapour has an increased alcohol content, optionally to the level of a fuel grade alcohol. Heat energy in permeate or product vapours or both may be recovered, for example by us as heating steam or by flow through a heat exchanger. The membrane unit may have two or more stages. Permeate from a stage may be condensed and used for example as fermentation make up water, compressed and fed to the permeate from an upstream stage or heating steam, or fed to another membrane stage for further dewatering.10-01-2009
20130078698PROCESS FOR FRACTIONATION OF BIOMASS - A process of fractionation of biomass using aqueous ammonia for fractionation of biomass into lignin, cellulose and/or hemicellulose is provided herein. The process disclosed in the present invention is recovers lignin, cellulose and hemicellulose in more than 90% purity. The present invention also provides process of saccharification and fermentation of biomass using aqueous ammonia for production of soluble sugars, alcohols, acids, phenols and other desired products, or derivatives thereof. The process disclosed in the present invention is robust, cost effective and scalable.03-28-2013
20130078696PROCESSING BIOMASS - Carbon-containing materials, such as biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) or coal are processed to produce useful products, such as fuels. For example, systems are described that can use feedstock materials, such as cellulosic and/or lignocellulosic materials and/or starchy materials, to produce ethanol.03-28-2013
20130078697FERMENTATION SYSTEM AND FERMENTATION METHOD USING SACCHARIDE SOLUTION - An alcohol production system that produces alcohol by alcoholic fermentation using a saccharide solution, including an alcoholic fermentation vessel in which the saccharide solution is fermented by adding yeast to produce alcohol, which is an organic feedstock, and a biomass-hydrothermally-treated-product adding means that adds a biomass hydrothermally-treated product obtained by hydrothermally treating a biomass feedstock to the alcoholic fermentation vessel. The alcohol production system can improve alcoholic fermentation efficiency and realize cost reduction without adding only a mineral salt from outside.03-28-2013
20100035318PROCESS FOR THE FERMENTATIVE PRODUCTION OF ETHANOL FROM SOLID LIGNOCELLULOSIC MATERIAL COMPRISING A STEP OF TREATING A SOLID LIGNOCELLULOSIC MATERIAL WITH ALKALINE SOLUTION IN ORDER TO REMOVE THE LIGNIN - The present invention relates to a process for obtaining fuel ethanol by using agricultural and agroindustrial waste materials composed of lignocellulose, and especially sugar cane bagasse. These residues have significant contents of carbohydrates in the form of polysaccharides (cellulose and hemicellulose), which can be hydrolysed by chemical and enzymic processes. The hemicellulose fraction is submitted to mild hydrolysis with sulphuric acid, and the solid material from this hydrolysis is submitted to a process of saccharification (enzymic hydrolysis) with simultaneous rapid alcoholic fermentation under conditions which allow a significant increase in conversion to alcohol in a greatly shortened time.02-11-2010
20130210103METHODS FOR DETOXIFYING A LIGNOCELLULOSIC HYDROLYSATE - The present disclosure relates to methods for detoxifying a hydrolysate obtained from a lignocellulosic biomass and methods of producing ethanol from the detoxified hydrolysate. The present methods provide detoxified hydrolysates in which the quantity of compounds that are deleterious to fermenting microorganisms are substantially reduced relative to the starting hydrolysate and in which the amount of fermentable sugars loss is minimal.08-15-2013
20120208252PROCESS AND SYSTEM FOR PRODUCING ETHANOL FROM A BYPRODUCT OF AN ETHANOL PRODUCTION FACILITY - A process of producing ethanol from whole stillage, includes obtaining a supply of whole stillage from an ethanol production facility after ethanol has been extracted therefrom; pre-treating the whole stillage to convert hemicellulose portions of the whole stillage into sugars; adding enzymes to the whole stillage to convert cellulose portions of the whole stillage to sugars; fermenting the whole stillage to create a beer mixture; and distilling the beer mixture to separate ethanol therefrom. The pre-treating step may include adding acid to the whole stillage to decrease its pH level; heating and pressurizing the whole stillage; holding the whole stillage under pressure and heat for a dwell time; removing pressure from the whole stillage to cause flashing; and cooling the whole stillage before the enzymes are added.08-16-2012
20130034891CONVERSION METHOD - A process is described for the preparation of water-soluble cellulose hydrolysis product. The process comprise admixing cellulose with an ionic liquid capable of solvating or dissolving at least some of the cellulose, said ionic liquid being a compound comprises solely of cations and anions and which exists in a liquid state at a temperature at or below 150° C., and in which the anions are selected from halide and cyanate; and treating the resulting solvate or solution with an acid in the presence of water, said acid having a pKa in water of less than 2 at 25° C.02-07-2013
20090155873BIOFUEL PRODUCTION - Methods, enzymes, recombinant microorganism, and microbial systems are provided for converting polysaccharides, such as those derived from biomass, into suitable monosaccharides or oligosaccharides, as well as for converting suitable monosaccharides or oligosaccharides into commodity chemicals, such as biofuels. Commodity chemicals produced by the methods described herein are also provided. Commodity chemical enriched refinery-produced petroleum products are also provided, as well as methods for producing the same.06-18-2009
20120214216Biomass Pretreatment Process - A process is described for pretreating lignocellulosic biomass. The process comprises swelling the lignocellulosic biomass with an aqueous liquid. The pretreated lignocellulosic biomass may be used as a feedstock for the enzymatic conversion to ethanol, or in a thermal conversion. process to produce bio-oil. The pretreatment results in a greater yield and, in the case of a thermal conversion process, a better quality of the bio-oil. The pretreatment process may be used to adjust the composition and amount of inorganic material present in the lignocellulosic biomass material.08-23-2012
20090311764Process of obtaining ethanol without glucoamylase using pseudomonas saccharophila G4-amylase and variants thereof - G4-forming amylase (PS4), and variants thereof, advantageously can be used in an enzyme-catalyzed high temperature liquefaction step to produce ethanol from starch, e.g., cornstarch. PS4 produces significant amounts of maltotrioses, which can be utilized by 12-17-2009
20090042266TREATMENT OF CELLULOSIC MATERIAL AND ENZYMES USEFUL THERERIN - The present invention relates to the production of sugar hydrolysates from cellulosic material. The method may be used e.g. for producing fermentable sugars for the production of bioethanol from lignocellulosic material. Cellulolytic enzymes and their production by recombinant technology is described, as well as uses of the enzymes and enzyme preparations.02-12-2009
20090305374PROCESS FOR OBTAINING BIOCHEMICALS IN A ZERO-LIQUID DISCHARGE PLANT - A method is presented for the production of cellulosic ethanol, acetic acid and derivatives from the extract containing fibers and hemicelluloses after steam cooking of biomass in a host plant. The process is integrated with the host plant process to minimize the effect of loss of heat value from the extracted hemicelluloses and eliminate the need for the waste water treatment plant.12-10-2009
20130071904ACETATE-RESISTANT YEAST STRAIN FOR THE PRODUCTION OF A FERMENTATION PRODUCT - The present invention provides methods and compositions for fermentations comprising acetate-resistant yeast. The present invention provides methods for use of acetate-resistant yeast for the production of fermentation products.03-21-2013
20100055753METHOD FOR THE PRODUCTION OF CONCENTRATED ALCOHOL FROM FERMENTATION BROTHS - A method for obtaining a concentrated alcohol solution from a lignocellulosic feedstock. The lignocellulosic feedstock is hydrolyzed to prepare a sugar solution. The sugar solution is fermented to produce a fermentation broth comprising alcohol and at least about 1 g ammonium ions/kg fermentation broth. The alcohol in the fermentation broth is then concentrated by distillation to produce an alcohol-enriched vapour. Either before distillation, during distillation or during the azeotrope breaking process, the concentration of ammonia in the alcohol-enriched vapour can be reduced by acid addition to at most about 300 ppm. The alcohol in the alcohol-rich vapour is then further concentrated by an azeotrope breaking process to provide the concentrated alcohol solution.03-04-2010
20130065289SYSTEM FOR THE TREATMENT OF BIOMASS - A system for treating biomass for the production of ethanol is disclosed. A biorefinery for producing a fermentation product from biomass is disclosed. The biorefinery comprises a system for preparing the biomass into prepared biomass and a system for pre-treating the biomass into pre-treated biomass. The biorefinery comprises a separator, a first treatment system, a second treatment system, and a fermentation system. A method for producing a fermentation product from biomass is disclosed.03-14-2013
20120115200CONTINUOUS PROCESS FOR THE PRODUCTION OF ETHANOL FROM LIGNOCELLULOSIC BIOMASS - A continuous process for the recovery of ethanol from hemicellulose and cellulose from lignocellulosic biomass. Yield of fermentable sugars can be maximized by continuous operation of the pre-treatment system and careful selection of pretreatment conditions including the addition of only small amounts of dilute mineral acid and low pressure. With this approach, the xylose component that is mainly present in its unfermentable oligomeric form in known pre-hydrolysis Kraft processes can be recovered more efficiently and as a monomer that can be fermented by xylose fermenting yeasts and bacteria. Due to the use of only dilute acids, there is a very low loss of glucose and xylose hence very low production of toxic chemicals (e.g. HMF, furfural) in the pretreatment step. The resulting overall fermentation efficiency of both hexose and pentose sugars is 90% of the theoretical maximum.05-10-2012
20120270290PENTOSE TRANSPORTER - Disclosed is the production of useful substances such as bioethanol from pentose through effective use of biomass resources. Specifically, the invention discloses the following: Use of HGT2 gene or an expression product protein thereof as a xylose transporter. A xylose and/or L-arabinose transporter as an expression product protein of a gene selected from the group consisting of HGT2 gene, XUT1 gene, and HXT2.4 gene. Use of a gene selected from the group consisting of HGT2 gene, XUT1 gene, and HXT2.4 gene as a xylose and/or L-arabinose transporter. A method for producing bioethanol, the method comprising introducing into yeast at least one gene selected from the group consisting of HGT2 gene, XUT1 gene, and HXT2.4 gene, and culturing the yeast in the presence of a biomass that contains xylose and/or L-arabinose.10-25-2012
20110281317CONVERSION OF CELLULOSIC MATERIALS INTO GLUCOSE FOR USE IN BIOETHANOL PRODUCTION - A method for producing an aqueous sugar solution from cellulosic materials comprising the steps of heating ground cellulosic materials with perchloric acid; neutralizing the heated materials with an alkali to yield a salt precipitate; and filtering the salt precipitate off to obtain the aqueous sugar solution.11-17-2011
20110287502METHODS AND APPARATUS FOR PROCESSING CELLULOSIC BIOMASS - Embodiments of the present invention are directed to apparatus and methods for the substantially continuous processing of cellulosic biomasses with a supercritical, critical or near critical fluid to produce ethanol, bio-fuels and high value end products.11-24-2011
20110287501INCREASED ETHANOL PRODUCTION IN RECOMBINANT BACTERIA - The invention pertains to a recombinant bacterium with enhanced ethanol production characteristics when cultivated in a growth medium comprising glycerol. The recombinant bacterium comprises an inserted heterologous gene encoding glycerol dehydrogenase, and/or an up-regulated native gene encoding glycerol dehydrogenase. Particularly there is provided the recombinant bacterium BG1G1 of the 11-24-2011
20110143412METHOD AND APPARATUS FOR PRETREATING BIOMASS USING INTERNAL HEAT - A method for pretreating a biomass, in which a water-reactive anhydride contacts a biomass, is disclosed. The biomass is pretreated using internal heating by an exothermic reaction. Further, an apparatus for pretreating a biomass having a reaction part including an inlet part and an outlet part for the water-reactive anhydride is disclosed.06-16-2011
20110217746FERMENTATION PROCESS STARTING FROM CELLULOSIC BIOMASS AND INVOLVING THE RECIRCULATION OF DETOXIFIED STILLAGE INTO THE PROCESS - A method for preparing a target chemical derivable from cellulosic biomass, involving detoxification of spent hydrolysate is provided. The method comprises the steps of providing cellulosic biomass, subjecting the cellulosic biomass to aqueous pretreatment, aqueous hydrolysis, and fermentation under conditions in which at least a part of the fermentable sugars are fermented into a primary target chemical, separating the primary target chemical from the fermented hydrolysate to provide a spent hydrolysate comprising inhibitory substances and detoxifying the spent hydrolysate by decreasing the concentration of at least one of the inhibitory substances using a detoxification biocatalyst selected from the group consisting of wild type, mutant and recombinant filamentous fungi and recirculating at least a part of the detoxified spent hydrolysate, optionally after further purification.09-08-2011
20110217745Enhancement of Enzymatic Hydrolysis of Pre-treated Biomass by Added Chitosan - A process for producing a fermentation product from a lignocellulose-containing material includes pre-treating the lignocellulose-containing material; introducing chitosan or a chitosan-like polymer to the pre-treated lignocellulose-containing material; exposing the pre-treated lignocellulose-containing material to an effective amount of a hydrolyzing enzyme; and fermenting with a fermenting organism to produce a fermentation product.09-08-2011
20090004714Non-Pressurised Pre-Treatment, Enzymatic Hydrolysis and Frementation of Waste Fractions - The present invention relates to a process for production of fermentation products, including bioethanol by non-pressurised pre-treatment, enzymatic hydrolysis and fermentation of waste fractions containing mono- and/or polysaccharides, having a relatively high dry matter content. The process in its entirety, i.e. from non-pressurised pre-treatment over enzymatic hydrolysis and fermentation to sorting of fermentable and non-fermentable solids can be processed at a relatively high dry matter content in a single vessel or similar device using free fall mixing for the mechanical processing of the waste fraction.01-01-2009
20080311639Pulsed electric field apparatus and methods for ethanol production - Apparatus and methods for ethanol production use pulsed electric fields to increase the conversion of starch and/or cellulosic material into sugar. The pulsed electric fields may also control bacteria levels in the ethanol production facility. The pulsed electric fields may be generated by a pulsed electric field generator such as a Marx generator, which may have one or more semiconductor switches.12-18-2008
20080311638Shock wave apparatus and methods for ethanol production - Apparatus and methods for ethanol production use shock waves to increase the conversion of starch and/or cellulosic material into sugar. The shock waves may also control bacteria levels in the ethanol production facility. The shock waves may be generated by a shock wave generator that includes a pulsed electric field generator such as a Marx generator, which may have one or more semiconductor switches.12-18-2008
20090298149Sulfite Pretreatment For Biorefining Biomass - The present invention relates to a method using sulfite pretreatment to overcome recalcitrance of lignocellulose (SPORL). More specifically, it relates to a sulfite-based chemical process for pretreating biomass in solutions to reduce access barriers of enzymes to the lignocellulose, resulting in efficient conversion through enzymatic saccharification.12-03-2009
20120295321Pentose Transporters and Uses Thereof - The invention relates to the production of biofuels, proteins, peptides and other value-added compounds from crude carbon sources. The inventors identified genes encoding novel pentose transporters, in particular transporters of L-arabinose and/or D-xylose. Regulation of the 11-22-2012
20090142819METHODS FOR CO-PRODUCTION OF ETHANOL AND SILICA FROM EQUISETUM - A method for the co-production of silica and at least one other useful industrial chemical such as ethanol, comprises the steps of: pre-treating siliceous plant matter derived from plants, such as horsetail weeds from the genus 06-04-2009
20110171709Product Recovery From Fermentation of Lignocellulosic Biomass - The present invention is directed to a process of producing ethanol from lignocellulosic biomass, which comprises pre-treating a lignocellulosic feedstock to produce a reactive carbohydrate mixture; adding activated carbon in free form; converting said reactive carbohydrate mixture to form a beer; separating solids from said carbohydrate mixture or said beer or both, wherein said activated carbon is separated along with the solids in said mixture, said beer or both; and drying said solids. The invention is also directed to the production of a dried solid fuel to be combusted during said process.07-14-2011
20110171710METHOD FOR PRODUCING CELLULOSIC ETHANOL - A method for producing cellulosic ethanol is disclosed, which comprises the following steps: adding the medium containing the source materials of cellulose and/or hemicellulose to fermentation reaction vessel; adding cellulase to fermentation reaction vessel, and inoculating 07-14-2011
20100279372METHOD OF PRETREATING LIGNOCELLULOSE-BASED BIOMASS - Disclosed is a method of pretreating lignocellulose-based biomass by extracting lignin from biomass by adding a solvent for dissolving lignin to the lignocellulose-based biomass including lignin, hemicellulose and cellulose, and extracting the cellulose and/or hemicellulose by adding an ionic liquid to the remaining biomass after extracting the lignin.11-04-2010
20100285555DISTRIBUTED BIOFUEL MANUFACTURING SYSTEM (DBMS) - The Distributed Biofuel Manufacturing System (DBMS) integrates three critical innovations which may advance the state of the art for biofuels manufacturing to a distributed production and local distribution model. This model yields a sustainable and commercially viable means of production for biofuels. Essential to this new model is a Portable Biorefinery (PBR) which allows for onsite conversion of biomass into biofuels, an accompanying set of advanced biocatalysts, and finally a multi-role harvesting and pre-processing technology to optimize both deliberate and “threat” biomass for biofuels. Utilizing either high yield deliberate biomass “plantations” or salvaging available threat biomass, the portable biorefinery will process high volumes of variable biomass into dense liquid energy format and other energy products which can then be utilized locally. This disclosure seeks to avoid the logistical overhead and economic limitations of traditional centralized industrial fuels manufacturing.11-11-2010
20080293114Method of Continuous Processing of Lignocellulosic Feedstock - A continuous process for treating a lignocellulosic feedstock is provided. This method comprises pretreating the lignocellulosic feedstock under pressure in a pretreatment reactor at a pH between about 0.4 and about 2.0. One or more than one soluble base is added to this pressurized, pretreated feedstock after it exits the pretreatment reactor to adjust the pretreated lignocellulosic feedstock to an intermediate pH of between about pH 2.5 to about pH 3.5. This pressurized, partially-neutralized feedstock is then further processed at the intermediate pH. This may include flashing one or more than one time at the intermediate pH. The pH of the pressurized, partially-neutralized feedstock may then be adjusted with one or more than one base to produce a neutralized feedstock having a pH between about 4 and about 6. Prior to adjusting the pH to between about 2.5 and about 3.5, the pressurized, pretreated feedstock may be partially depressurized.11-27-2008
20080286845FERMENTATION PROCESS - The present invention relates to processes of fermenting plant derived material into a desired fermentation product. The invention also relates to an antifoaming system for use in a fermentation process.11-20-2008
20090029432DRY FRACTIONATION OF CORN - Novel grain processing methods and the products obtained therefrom are disclosed. Methods may include separation of pericarp fractions, hydrolysis of the pericarp fractions one or more time, and fractionation of the hydrolyzed pericarp fractions. Hydrolyzed pericarp fractions have applications including fermentation media, livestock feed, and fuel feedstocks.01-29-2009
20090061495Treatment Systems and Processes for Lignocellulosic Substrates that Contain Soluble Carbohydrates - A biorefining process used to convert lignocellulosic biomass into ethanol via a fermentation pathway. In a first pretreatment process step, the biomass is mixed with an aqueous wash solution to remove soluble carbohydrates from the biomass structure. Next, the solid fraction is separated from a liquid fraction. In a second pretreatment process, the solid fraction is pre-treated to make the fiber bundles and complex polysaccharides more amenable to enzymatic hydrolysis. Following the second pretreatment process, the pre-treated biomass is subjected to one or more enzymes in a hydrolysis process. The liquid fraction isolated from the first pretreatment process is diverted past the second pretreatment process and is recombined with the solid fraction in the hydrolysis process. The enzyme cocktail in the hydrolysis process breaks down the alpha- and hemicellulose polymers into fermentable sugars. Finally, a fermentation process produces a “beer” that is further processed in a distillation and dehydration process.03-05-2009
20090239278METHOD FOR PRODUCING BIOETHANOL FROM A LIGNOCELLULOSICBIOMASS AND RECYCLED PAPER SLUDGE - A method producing ethanol by combining an plant fiber material containing calcium carbonate with at least one lignocellulosic agricultural residue into a mixture. The plant fiber material can be a paper sludge. The mixture is then hydrolyzed and the resultant hydrolysate is then fermented into ethanol.09-24-2009
20090081749PROCESS FOR PRODUCING ETHANOL FROM CORN DRY MILLING - A process for producing ethanol by the conversion of carbohydrates from a corn dry milling process in which the bottoms fraction from distillation of ethanol in a conventional yeast fermentation is used in a process including a combination of biochemical and synthetic conversions. The process results in high yield ethanol production with concurrent production of high value coproducts. An acetic acid intermediate is produced from bottoms fraction, followed by conversion of the acetic acid into ethanol using esterification and hydrogenation reactions. Coproducts of the process include a high protein content solids fraction produced in the fermentation.03-26-2009
20090081748INTEGRATED PROCESSES AND SYSTEMS FOR PRODUCTION OF BIOFUELS USING ALGAE - A process for production of biofuels from biomass can include depolymerizing a biomass to form a feed. The feed can be formed by autotrophically growing algal biomass and extracting the feed therefrom. The algal feed can be converted to an algal oil by introducing the algal feed to an oil-producing algae under growth conditions sufficient to encourage formation of algal oil within the oil-producing algae. The algal oil can be extracted from the oil-producing algae and can further be converted to biodiesel.03-26-2009
20110143411Biomass fractionation process for bioproducts - A fractionation process for producing value-added products from a lignocellulosic biomass, comprises: a) mechanically refining the lignocellulosic biomass under mild refining conditions to form a refined biomass pulp with enhanced susceptibility to separation of hemicellulose, cellulose and lignin, and enhanced digestibility of carbohydrates in hydrolysis b) separating hemicellulose and sulfur-free high-quality lignin from cellulose in the refined biomass, and, optionally c) producing various bioproducts from the above said process.06-16-2011
20090053785METHODS AND COMPOSITIONS FOR OPTIMIZING FERMENTATION - Embodiments described include methods for maintaining the pH and alkalinity during industrial fermentation processes are described that foster optimal microorganism activities throughout the duration of the fermentation process. Magnesium based buffering agents having sufficient buffering capacity and applied at sufficient concentration levels required to neutralize the acidic content of fermentation fluids during the fermentation process cycle are detailed. These magnesium based buffering agents control fermenter processes without causing extreme pH swings to maximize the production of desired fermentation products.02-26-2009
20090117635Process for Integrating Cellulose and Starch Feedstocks in Ethanol Production - The present invention is directed to process integrating cellulose and starch feedstocks to produce ethanol.05-07-2009
20090117634Process of Producing Ethanol Using Cellulose with Enzymes Generated Through Solid State Culture - The present invention is directed to process of producing ethanol using cellulose with enzymes generated through solid state culture.05-07-2009
20090221050Whole cell saccharification of lignocelluloses to sugars using a dual bioreactor system - The present invention describes a process for saccharification of lignocelluloses to sugars using whole microbial cells, which are enriched from cultures inoculated with paper mill waste water, wood processing waste and soil. A three-member bacterial consortium is selected as a potent microbial inocula and immobilized on inedible plant fibers for biomass saccharification. The present invention further relates the design of a dual bioreactor system, with various biocarriers for enzyme immobilization and repeated use. Sugars are continuously removed eliminating end-product inhibition and consumption by cell.09-03-2009
20100015678Thermophilic Organisms For Conversion of Lignocellulosic Biomass To Ethanol - Mutant thermophilic organisms that consume a variety of biomass derived substrates are disclosed herein. Strains of 01-21-2010
20090253191USE OF RHIZOPUS AMYLASES IN GRANULAR STARCH HYDROLYSIS - Described are compositions and methods relating to granular starch hydrolysis. Exemplary used for the compositions and methods are for ethanol production.10-08-2009
20120196342Industrial Applications of A Novel Aldo/Keto Reductase Of Zymomonas Mobilis - The present invention relates to methods of reducing the toxicity of lignocellulosic hydrolysates which comprise one or more inhibitors. One method reduces the amount of furfural inhibitor leading to a more effective process. Another method reduces the amount of xylitol produced during the fermentation of xylose present in lignocellulosic hydrolysates. Naturally occurring aldo/keto reductase enzymes, as well as, enzymes produced by recombinant cells or by selective adaptation may be employed.08-02-2012
20100184176BIOMASS HYDROTHERMAL DECOMPOSITION APPARATUS, METHOD THEREOF, AND ORGANIC MATERIAL PRODUCTION SYSTEM USING BIOMASS MATERIAL - A biomass hydrothermal decomposition apparatus includes, a biomass feeder (07-22-2010
20110129890METHOD OF TREATING SUBSTANCE CONTAINING LIGNOCELLULOSE OR CELLULOSE - A method for converting a material comprising lignocellulose or cellulose into a substance convertible with yeast into ethyl alcohol, wherein a mixture comprising 1 part by weight of the material and 0.5 to 5 parts by weight of water is stirred at a temperature of 150 to 270 degrees C. in a vessel closed in terms of pressure in conditions of providing a high shearing force to be pulverized to an average of maximum dimensions of 1 to 20 micrometers, whereby the material is degraded and at least 15% by weight of the cellulose in the material is converted into a substance convertible into ethyl alcohol. It is possible to prepare saccharides for alcohol fermentation from lignocellulose or cellulose by using this method.06-02-2011
20100255554FED BATCH PROCESS FOR BIOCHEMICAL CONVERSION OF LIGNOCELLULOSIC BIOMASS TO ETHANOL - A method for optimization of a fed batch hydrolysis process wherein the hydrolysis time is minimized by controlling the feed addition volume and/or batch addition frequency of the prehydrolysate and optionally also the enzyme feed. The increase over time in hydrolysate consistency and volume and/or concentration of sugars released in the reactor, so that the enzymatic hydrolysis is controlled, significantly reduces the impact of cellulase feedback inhibition, especially for enzyme contents lower than 0.5%. The overall time to reach conversion of the total prehydrolysate feed is reduced significantly where the batch addition frequency is equal to one batch each time 70% to 90%, preferably 80%, conversion of the previous batch is reached in the reaction mixture. At an enzyme load of 0.3% in the reaction mixture, the optimum frequency each time 80% conversion was reached was found to be one batch every 105 minutes.10-07-2010
20100151551SYSTEMS AND METHODS FOR PRODUCING BIOFUELS AND RELATED MATERIALS - cells (American Type Culture Collection 70039406-17-2010
20120129234SYSTEM FOR TREATMENT OF BIOMASS TO FACILITATE THE PRODUCTION OF ETHANOL - A method for treating fermented lignocellulosic biomass to be supplied to a distillation system for production of ethanol is provided. The method includes pre-treating lignocellulosic biomass into pre-treated biomass and separating the pre-treated biomass into a liquid component comprising sugars and a solids component comprising cellulose and lignin. The method also includes hydrolysing the solids component of the pre-treated biomass into a hydrolysed biomass comprising sugars and lignin and fermenting the hydrolysed solids component of the pre-treated biomass into a fermentation product comprising ethanol and lignin. The method also includes treating the fermentation product and distilling the treated fermentation product to recover the ethanol. The lignocellulosic biomass comprises cellulose, hemi-cellulose and lignin.05-24-2012
20120142067METHOD FOR PREPARING AN INDUSTRIAL YEAST, INDUSTRIAL YEAST, AND APPLICATION TO THE PRODUCTION OF ETHANOL FROM AT LEAST ONE PENTOSE - The present invention relates to the field of the methods for obtaining yeast strains producing ethanol, of the thereby produced strains, and of the industrial production of ethanol from said strains.06-07-2012
20100196981METHODS AND SYSTEMS FOR FEEDSTOCK PRODUCTION FROM SEWAGE AND PRODUCT MANUFACTURING THEREFROM - A cellulosic feedstock composition including an oil content of up to 15% of the composition, a cellulose content of 40-99% of the composition, a hemicellulose content of 2-20% of the composition, a lignin content of less than 15% of the composition, a nitrogen containing organic compound content of less than 20% of the composition, a protein containing organic compound content of less than 20% of the composition, a mineral content of less than 5% of the composition, a sand content of less than 5% of the composition, and a dirt content of less than 25% of the composition.08-05-2010
20100221804BIOGAS APPARATUS AND BIOGAS PRODUCTION PROCESS FOR INTEGRATION WITH AN ETHANOL PRODUCTION SYSTEM AND PROCESS - An integrated system produces ethanol and biogas from raw plant materials. The system includes a pretreatment apparatus for converting raw plant materials into sugars and a fermenter for fermenting the sugars to produce a beer including ethanol. A distillation apparatus separates the beer into the ethanol and a whole stillage, and a separator then separates the whole stillage into a thin stillage and wet distillers grains. A biogas apparatus processes a first portion of the thin stillage to produce biogas and a biogas effluent, and converts a percentage of the non-fermentable solids and organic acids in the thin stillage into biogas. The pretreatment apparatus is supplied with an amount of fresh water and an amount of backset, the backset including the biogas effluent recycled from the biogas apparatus to the pretreatment apparatus.09-02-2010
20100221805METHODS FOR PRODUCING FERMENTATION PRODUCTS - The invention relates to methods for producing a fermentation product from a lignocellulose-containing material comprising: i) pre-treating lignocellulose-containing material; ii) introducing pre-treated lignocellulose-containing material into medium comprising fermentable sugars derived from starch-containing material; ii) fermenting using a fermenting organism.09-02-2010
20110129889Process for Production of Ethanol from Lignocellulosic Material - This invention relates to a process for production of ethanol from lignocellulosic material. Lignocellulosic material treated with a dicarboxylic acid, preferably with oxalic acid, separating a hemicellulosic fraction to ferment pentose sugar. The lignin is dissolved in alkali, preferably with NaOH, separating a cellulose fraction for further enzymatic treatment with one or more than one cellulytic enzymes capable of hydrolyzing cellulose. The enzyme hydrolyasate is further subjected to fermentation in the presence of ethanol-producing yeast, preferably 06-02-2011
20100297721GENE KNOCKOUT MESOPHILIC AND THERMOPHILIC ORGANISMS, AND METHODS OF USE THEREOF - One aspect of the invention relates to a genetically modified thermophilic or mesophilic microorganism, wherein a first native gene is partially, substantially, or completely deleted, silenced, inactivated, or down-regulated, which first native gene encodes a first native enzyme involved in the metabolic production of an organic acid or a salt thereof, thereby increasing the native ability of said thermophilic or mesophilic microorganism to produce ethanol as a fermentation product. In certain embodiments, the aforementioned microorganism further comprises a first non-native gene, which first non-native gene encodes a first non-native enzyme involved in the metabolic production of ethanol. Another aspect of the invention relates to a process for converting lignocellulosic biomass to ethanol, comprising contacting lignocellulosic biomass with a genetically modified thermophilic or mesophilic microorganism.11-25-2010
20110008863Methods for Producing Fermentation Products - The invention relates to methods for treating pre-treated lignocellulose-containing material comprising the steps of: a) subjecting a slurry comprising pre-treated lignocellulose-containing material to agitation in the presence of one or more chemicals and/or one or more enzymes; b) subjecting said slurry to liquid-solid separation; c) recycling at least a portion of the liquid to the agitated slurry; d) optionally transferring solids-containing material for downstream processing.01-13-2011
20110008864Processes for Producing Fermentation Products - The invention relates to a process of fermenting plant material in a fermentation medium into a fermentation product using a fermenting organism, wherein one or more trehalases are present in the fermentation medium.01-13-2011
20130149764PROCESS AND SYSTEM FOR PRODUCING ETHANOL FROM A BYPRODUCT OF AN ETHANOL PRODUCTION FACILITY - A process of producing ethanol from whole stillage, includes obtaining a supply of whole stillage from an ethanol production facility after ethanol has been extracted therefrom; pre-treating the whole stillage to convert hemicellulose portions of the whole stillage into sugars; adding enzymes to the whole stillage to convert cellulose portions of the whole stillage to sugars; fermenting the whole stillage to create a beer mixture; and distilling the beer mixture to separate ethanol therefrom. The pre-treating step may include adding acid to the whole stillage to decrease its pH level; heating and pressurizing the whole stillage; holding the whole stillage under pressure and heat for a dwell time; removing pressure from the whole stillage to cause flashing; and cooling the whole stillage before the enzymes are added.06-13-2013
20110129888Method for Fermenting Cellulosics - The present invention is directed to host cells capable of fermenting cellulosic materials for the production of ethanol. Microorganisms engineered to be able to use amorphous cellulosic materials in a fermentation process to produce ethanol are disclosed. Additionally, methods of using the host organisms of the invention and compositions for producing ethanol according to the invention are disclosed.06-02-2011
20100151550METHOD FOR RECOVERING ENERGY FROM THE ORGANIC FRACTION OF SOLID URBAN WASTE AND ASSOCIATED FACILITY - The invention relates to a method for recovering energy from the organic fraction of urban solid waste comprising the following steps: a) the organic fraction is pre treated with mineral acids, preferably sulfuric acid, during which the fraction is heated by an outer thermal jacket with no steam injection or steam explosion, thereby producing a first slurry containing an insoluble solid susceptible to enzymatic attack by cellulases; b) a step comprising enzymatic hydrolysis using cellulases and simultaneous fermentation, using an ethanologenic microorganism, of the first slurry in order to obtain a second slurry containing diluted ethanol; and c) distillation of the second slurry such as to obtain wet ethanol, a recyclable liquid effluent and a solid.06-17-2010
20110244539Selection Of Cellulolytic Microbes With High Growth Rates - Methods for obtaining cellulolytic microbes with high growth rates are disclosed. For example, 10-06-2011
20120244591PROCESS AND SYSTEM FOR PRODUCING ETHANOL FROM A BYPRODUCT OF AN ETHANOL PRODUCTION FACILITY - A process of producing ethanol from whole stillage, includes obtaining a supply of whole stillage from an ethanol production facility after ethanol has been extracted therefrom; pre-treating the whole stillage to convert hemicellulose portions of the whole stillage into sugars; adding enzymes to the whole stillage to convert cellulose portions of the whole stillage to sugars; fermenting the whole stillage to create a beer mixture; and distilling the beer mixture to separate ethanol therefrom. The pre-treating step may include adding acid to the whole stillage to decrease its pH level; heating and pressurizing the whole stillage; holding the whole stillage under pressure and heat for a dwell time; removing pressure from the whole stillage to cause flashing; and cooling the whole stillage before the enzymes are added.09-27-2012
20100003733RECOVERY OF INORGANIC SALT DURING PROCESSING OF LIGNOCELLULOSIC FEEDSTOCKS - A method for recovering inorganic salt during processing of a lignocellulosic feedstock is provided. The method comprises pretreating the lignocellulosic feedstock by adding an acid to the feedstock to produce a pretreated lignocellulosic feedstock. A soluble base is then added to the pretreated lignocellulosic feedstock to adjust the pH and produce a neutralized feedstock. The neutralized feedstock is then enzymatically hydrolyzed to produce an enzyme hydrolyzed feedstock and a sugar stream. Inorganic salt is recovered from either a stream obtained from the lignocellulosic feedstock prior to the step of pretreating, a stream obtained from the pretreated lignocellulosic feedstock, a stream obtained from the neutralized feedstock, a stream obtained from the sugar stream, or a combination of these streams. The inorganic salt may be concentrated, clarified, recovered and purified by crystallization, electrodialysis drying, or agglomeration and granulation, and then used as desired, for example as a fertilizer.01-07-2010
20110097780Method of Xylose Fermentation Having Enhanced Conversion Rate in Fiber Solution - A method is provided for improving the efficiency of xylose fermentation in lignocellulosic hydrolysate. The disclosed embodiment raises the efficiency of xylose conversion by adding a specific lignocellulosic material during fermentation. In particular, a 10% enhancement in the efficiency of xylose conversion for ethanol production was given, and the ethanol yield is achieved 90% after adding the specific lignocellulosic material.04-28-2011
20110081698METHOD AND INTRODUCTION OF GENE INTO YEAST CELL, AND VECTOR FOR THE METHOD - An object of the present invention is a method for introducing a foreign gene into a yeast cell that does not have an auxotrophic marker. The present invention provides a method for providing a target auxotrophy to a yeast cell and introducing a gene to be expressed into the yeast cell. The method includes the step of transforming a yeast cell with a fragment containing an expression cassette for the gene to be expressed, a cassette for a yeast selectable marker, and two homologous recombination fragments each homologous to a region on either side of a target auxotrophy controlling gene. According to the method, a target auxotrophy controlling gene is deleted from a yeast cell and a gene to be expressed is introduced into the yeast cell, and further the yeast selectable marker is eliminated from the transformed yeast cell.04-07-2011
20110070619FERMENTATION OF A LIGNOCELLULOSE-CONTAINING MATERIAL - The invention relates to a process of fermenting a hydrolysed pre-treated lignocellulose-containing material to produce a fermentation product.03-24-2011
20100311140BACTERIUM CAPABLE OF FERMENTING GLUCOSE, MANNOSE AND XYLOSE SIMULTANEOUSLY, AND METHOD FOR PRODUCTION OF BIOETHANOL USING THE BACTERIUM - The object is to develop a bacterium capable of fermenting glucose, mannose and xylose simultaneously, which can ferment a saccharified solution of a cellulose-type or lignocellulose-type biomass resource to produce ethanol, and to construct an energy-saving high-efficiency bioethanol conversion process. Thus, disclosed is 12-09-2010
20110250665ETHANOL PRODUCTION PROCESS AND YEAST FOR ETHANOL PRODUCTION - According to the present invention, ethanol production is carried out with the use of cellulose or cellobiose as a starting material at low cost. The method of the present invention comprises the steps of culturing a microorganism that is classified as a species selected from the group consisting of 10-13-2011
20080299632Methods for Recovering Oil from a Fractionated Dry Milling Process - Processes for recovering oil from thin stillage produced during a fractionation-based dry milling process. The thin stillage can be heated or heated in combination with centrifuging to separate and recover oil from the thin stillage. Optionally, the thin stillage may be concentrated prior to recovering the oil.12-04-2008
20110256601MODIFICATION OF HYDROGENASE ACTIVITIES IN THERMOPHILIC BACTERIA TO ENHANCE ETHANOL PRODUCTION - Bacteria consume a variety of biomass-derived substrates and produce ethanol. Hydrogenase genes have been inactivated m 10-20-2011
20080268512Process of Producing a Fermentation Product - The invention relates to an improved process of producing a fermentation product, such as ethanol, from starch-containing material using an increased dosage of alpha-amylase during liquefaction, which results in increased conversion of dextrins compared to conventional processes, and/or a reduced dosage of carbohydrate-generating enzyme during simultaneous saccharification and fermentation compared to a conventional process carried out at the same conditions. A process of the invention results in an increased yield. The invention also relates to an improved process of producing a fermentation product resulting in substantially the same yield as a conventional process, wherein reduced dosage of carbohydrate-source generating enzyme is used during simultaneous saccharification and fermentation.10-30-2008
20120064592BIOCATALYSTS SYNTHESIZING DEREGULATED CELLULASES - Provided are isolated novel 03-15-2012
20090221051XYLANASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM - The invention relates to xylanases and to polynucleotides encoding the xylanases. In addition, methods of designing new xylanases and methods of use thereof are also provided. The xylanases have increased activity and stability at increased pH and temperature.09-03-2009
20100216202Method And A System For The Pretreatment Of Lignocellulosic Material - The invention relates to a method and a system for the pretreatment of lignocellulosic material by thermal hydrolysis, in particular with a view to producing bioethenol, wherein the material is first admixed with water and is then passed to a reactor, in which the soaked material is subjected to a high temperature and a high pressure to such an extent that is it accessible for a subsequent treatment with enzymes, following which the treated material is separated into liquid part and a solid part, where the solid component is subsequently used for the production of bioethenol and enzymation and fermentation. Exclusively steam is used in the method and the corresponding system for heating, stirring and transport, as e.g. the transport through the various elements of the system is provided by a pressure difference between the compartments of the elements. The material (08-26-2010
20110053238METHOD OF PRODUCTION OF ETHANOL FROM TWO DIFFERENT STARTING MATERIALS - The present invention provides a method of improving the ethanol yield in production of an ethanol-containing product from a lignocellulosic biomass and a sugar product containing fermentable sugars derived from a sugar-rich material. The method comprises treatment, involving hydrolysis, of said lignocellulosic biomass in one or more steps to obtain lignocellulose-derived treatment products including fermentable sugars; and fermentation, using a fermenting agent, of a mixture comprising at least part of said lignocellulose-derived treatment products and said fermentable sugars derived from said sugar-rich material to obtain the ethanol-containing product, wherein an amount of said sugar product is mixed with an amount of at least one of the following: (i) lignocellulose-derived material in the treatment; (ii) lignocellulose-derived treatment products from the treatment; and (iii) lignocellulose-derived treatment products in the fermentation, such that said fermentable sugars derived from said sugar-rich material and said at least part of said lignocellulose-derived treatment products are present in the mixture, and said amounts are controlled such that the fermenting agent is subjected to stress by lignocellulose-derived treatment products to the extent that the ethanol yield is improved. Further, a corresponding method using a starch-rich starting material is provided as well as a corresponding use, composition and system.03-03-2011
20100285554METHOD OF STIMULATING ETHANOL PRODUCTION AND GROWTH OF AQUATIC PLANTS - A method of stimulating ethanol production and growth of aquatic plants includes the steps of placing aquatic plants in a cell containing water and creating an anoxic condition within the pool to initiate an anaerobic process by the aquatic plants. The aquatic plants increase in size and release ethanol by metabolism of stored carbohydrates during the anaerobic process. An oxygenated condition is then created within the cell to initiate an aerobic process. The aquatic plants create and store carbohydrates during the aerobic process. The steps of creating anoxic and oxygenated conditions are repeated to stimulate increased aquatic plant size and to increase the release of ethanol.11-11-2010
20100330641METHOD FOR PRODUCING ETHANOL - The present invention provides a method for producing an ethanol from a lignocellulose resource efficiently. According to the method for producing the ethanol of the present invention, an enzyme group derived from a mushroom waste substrate has a high activity and can allow cellulose or xylan in the lignocellulose resource to be efficiently converted into glucose or xylose. That is, the lignocellulose resource can be converted into a saccharified solution including the glucose or xylose thereinside. The glucose or xylose in the saccharified solution can be converted into the ethanol by fermentation of yeast or bacterium provided into the saccharified solution. The method for producing the ethanol of the present invention can allow the ethanol to be efficiently produced from the lignocellulose resource.12-30-2010
20110189745PRODUCTION OF BIODIESEL, CELLULOSIC SUGARS, AND PEPTIDES FROM THE SIMULTANEOUS ESTERIFICATION AND ALCOHOLYSIS/HYDROLYSIS OF MATERIALS WITH OIL-CONTAINING SUBSTITUENTS INCLUDING PHOSPHOLIPIDS AND CELLULOSIC AND PEPTIDIC CONTENT - The present invention relates to a method for producing fatty acid alkyl esters as well as cellulosic simplified sugars, shortened protein polymers, amino acids, or combination thereof resulting from the simultaneous esterification and hydrolysis, alcoholysis, or both of algae and other oil containing materials containing phospholipids, free fatty acids (FFA), glycerides, or combination thereof as well as polysaccharides, cellulose, hemicellulose, lignocellulose, protein polymers, or combination thereof in the presence of an alcohol and an optional acid catalyst.08-04-2011
20110262985PROCESSING BIOMASS - Methods are provided for changing a molecular structure of a biomass feedstock. The methods include a screw extrusion process.10-27-2011
20110262984METHOD FOR PRODUCING ETHANOL AND CO-PRODUCTS FROM CELLULOSIC BIOMASS - The present invention generally relates to processes for production of ethanol from cellulosic biomass. The present invention also relates to production of various co-products of preparation of ethanol from cellulosic biomass. The present invention further relates to improvements in one or more aspects of preparation of ethanol from cellulosic biomass including, for example, improved methods for cleaning biomass feedstocks, improved acid impregnation, and improved steam treatment, or “steam explosion.”10-27-2011
20100028966Methods and Compositions for Improving The production Of Products In Microorganisms - Methods and compositions are provided for improving the production of products, such as fuel products like ethanol, in microorganisms. In particular, methods and compositions are described for improving ethanol production utilizing genes identified in 02-04-2010
20090011484CONCURRENT SACCHARIFICATION AND FERMENTATION OF FIBROUS BIOMASS - A process for simultaneous saccharification and fermentation of a cellulosic solids fraction extracted from a lignocellulosic feedstock. The viscosity of the cellulosic solids fraction is reduced by intermixing with a liquid carbohydrate stream. A suitable liquid carbohydrate stream is a de-lignified liquids fraction that was previously separated from the solids fraction during processing of the lignocellulosic feedstock. Alternatively, the viscosity of the solids fraction may be reduced by commingling with a liquid carbohydrate stream comprising one or more monosaccharides. The reduced-viscosity cellulosic solids fraction is then commingled with a fermentative microbial inoculant and a cellulosic biomass-degrading enzyme composition. The commingled mixture is maintained in a pressurized reaction vessel under elevated temperatures to enable simultaneous enzymatic hydrolysis of the cellulosic solids to monosaccharides and fermentation of the monosaccharides to produce an ethanolic beer. The ethanolic beer is distillable for recovery of fuel-grade ethanol and a stillage that may be further processed.01-08-2009
20110020891PROCESS FOR PROVIDING ETHANOL FROM PLANT MATERIAL - The presently disclosed subject matter relates to processes that comprise the vacuum extrusion of plant materials. In some embodiments, the plant materials are subjected to a change in pressure of −3 kPa or more. The vacuum extrusion can be used to break open the cell walls of the plant material and of any undesirable micro-organisms associated with the plant material. In some embodiments, the vacuum extrusion can be used as a step in a process for producing ethanol from plant materials, such as from sugar beets. In some embodiments, the vacuum extrusion can be used in a process for providing a desired plant cell-derived molecule, such as a sugar or starch.01-27-2011
20100227369System for Fermentation of Biomass for the Production of Ethanol - A biorefinery and a system for producing a fermentation product from biomass are disclosed. The biorefinery comprises a preparation system to prepare the biomass into prepared biomass; a pre-treatment system to pre-treat the prepared biomass with a dilute acid for separation into a first component from which pentose can accessed for fermentation and a second component from which hexose can be made available for fermentation; a first treatment system to treat the first component into a treated first component by removing removed components from the first component; a first fermentation system to produce a first fermentation product from the pentose; a distillation system to recover ethanol from the first fermentation product; and a treatment system to process removed components. The biomass comprises lignocellulosic material, which comprises at least one of corn cobs, corn plant husks, corn plant leaves and corn plant stalks.09-09-2010
20120231516ADAPTED CULTURE FOR CELLULOSIC FERMENTATION - A method for producing ethanol by fermentation includes the preparation of a starter culture, inoculation of a mash with the starter culture, fermentation of mash, and recovery of ethanol from the mash. The starter culture includes a tallow base with Chinese tallow tree parts and water which are inoculated with micro-organisms, where the micro-organisms include yeast. The micro-organisms are grown in the tallow base, and used to inoculate the mash. The mash is then fermented, and ethanol is recovered from the mash.09-13-2012
20100159552PROCESS FOR ALCOHOLIC FERMENTATION OF LIGNOCELLULOSIC BIOMASS - A process for the production of ethanol wherein a hydrolyzed lignocellulosic biomass is fermented in the presence of a stillage residue. The fermentation of cellulosic hydrolysates is improved by adding prior to and/or during fermentation a stillage residue side stream from a corn starch-to-ethanol process as a nutrient source for the yeast organisms used in the fermentation. Stillage residues from the grain dry mill ethanol producing process, including the whole stillage, wet cake, thin stillage, and/or syrup are added to assist as a nitrogen and nutrient source for the fermentive processes. The stillage residue is produced by any grain-to-ethanol process.06-24-2010
20110306105ENGINEERING OF YEAST FOR CELLULOSIC ETHANOL PRODUCTION - The disclosure provides designer cellulosomes for efficient hydrolysis of cellulosic material and more particularly for the generating of ethanol.12-15-2011
20100255553ETHANOL-PRODUCING MICROORGANISMS AND METHODS OF USING - The present invention describes a number of different microorganisms that have been genetically-engineered to optimize ethanol production. The present invention also describes methods of using such microorganisms to efficiently make ethanol.10-07-2010
20110111474METHOD FOR PRODUCING ETHANOL BY FERMENTATION FROM LIGNOCELLULOSIC BIOMASS - The description relates to a method of producing bioethanol by separating lignin from a crushed lignocellulose biomass and obtaining cellulose and, if required, hemicellulose and additionally processing the cellulose or the mixture of cellulose and hemicellulose to form sugars and subsequently form bioethanol. The method is characterised in that crushed lignocelluloses biomass is treated with an alkanolamine for extracting the lignin therein, the lignin solution is separated, the residue containing cellulose/hemicellulose is converted to sugars without drying, and the sugars are fermented to obtain bioethanol. The raw cellulose (cellulose/hemicellulose), owing to its high reactivity, can easily be converted into sugar, which can be fermented to form bioethanol.05-12-2011
20120301939METHODS OF TREATING BIOMASS - A process for producing biofuel from biomass that includes free monosaccharides is provided. The process comprises the steps of mixing the biomass with a recycled hydrolysate for a sufficient time to elute a portion of the free monosaccharides from the biomass thereby forming a sugar enriched hydrolysate. Sugar enriched hydrolysate is then separated from the biomass and monosaccharides contained in the separated sugar enriched hydrolysate are fermented.11-29-2012
20080199927Aspergillus Kawachi Acid-Stable Alpha Amylase and Applications in Granular Starch Hydrolysis - The present invention relates to a method for producing an end product and particularly an alcohol which comprises contacting a granular starch substrate with an acid-stable alpha amylase (asAA) having granular starch hydrolyzing (GSH) activity and a glucoamylase (GA) in a fermentation step which also comprises ethanologenic microorganisms at a temperature between about 25 to 65° C. and producing an end-product.08-21-2008
20120309069Yeast for Fermentation - The invention relates to an isolated 12-06-2012
20110008862COMPLEMENTATION OF THE TRICHODERMA REESEI SECRETOME LIMITING MICROBIOLOGICAL CONTAMINATIONS WITHIN THE CONTEXT OF INDUSTRIAL PROCESSES - The present invention describes the use of a genetically improved 01-13-2011
20120115199Enzymatic Hydrolysis Of Pretreated Lignocellulose-Containing Material With Basidiomycota Mycelia And Yeast Cells - A method for producing a fermentation product from a lignocellulose-containing material comprises pre-treating the lignocellulose-containing material; introducing treated basidiomycota mycelia and/or yeast cells to the pre-treated lignocellulose-containing material; exposing the pre-treated lignocellulose-containing material to an effective amount of hydrolyzing enzyme; and fermenting with a fermenting organism to produce a fermentation product.05-10-2012
20120009642BIOMASS HYDROTHERMAL DECOMPOSITION SYSTEM AND SACCHARIDE-SOLUTION PRODUCTION METHOD USING BIOMASS MATERIAL - A biomass hydrothermal decomposition system includes a hydrothermal decomposition unit 01-12-2012
20120156748PROCESS FOR TREATMENT OF A LIGNOCELLULOSIC MATERIAL - A process for treatment of a lignocellulosic material comprising contacting the lignocellulosic material with a solution of chloride ions, which solution comprises a concentration of chloride ions in the range from equal to or more than 1 ppm weight to equal to or less than 350 ppm weight based on the total weight of the solution; at a temperature in the range from equal to or more than 120° C. to equal to or less than 200° C.; and at a pH in the range from equal to or more than 0.1 to equal to or less than 4.06-21-2012
20110091951NEW CLASS OF CHLOROFLEXI-LIKE THERMOPHILIC CELLULOSE DEGRADING BACTERIA - The present invention relates to a new class of Chloroflexi-like bacteria. The bacteria are thermophilic cellulose degrading bacteria. Compositions and methods for degrading cellulose using the Chloroflexi-like bacteria are also provided.04-21-2011
20110065160TREATMENT OF EUKARYOTIC CELLULAR BIOMASS - The application describes a process for treating a eukaryotic cell-derived biomass-containing stream including: (i) passing the stream through a chamber; (ii) pressurizing_the stream; (iii) introducing a gas into the pressurized stream, the gas being soluble within the eukaryotic cell-derived biomass; and (iv) depressurizing the stream to cause the solubilised gas to expand and disrupt the eukaryotic cell-derived biomass. The biomass may be derived from plant or animal materials.03-17-2011
20110104775Method to Increase the Ethanol Concentration from the Conversion of Lignocellulose - The present disclosure is related to a method for increasing the ethanol concentration from the conversion of lignocellulose. The pretreated solid residues are mixed with ethanol-containing broth from the fermentation of xylose hydrolysate by 05-05-2011
20100248320COMPOSITIONS AND METHODS FOR CONVERSION OF LIGNOCELLULOSIC MATERIAL TO FERMENTABLE SUGARS AND PRODUCTS PRODUCED THEREFROM - The present invention relates to compositions and methods for the conversion of lignocellulosic material to fermentable sugars and to products produced therefrom (e.g., ethanol, foodstuffs, etc.). In particular, the invention provides lignocellulose-degrading compositions (e.g., generated via incubation of microbes with lignocellulosic priming feedstock in solid-state fermentation format) and methods of using the same (e.g., in saccharification and/or hydrolysis steps (e.g., on ethanologenic feedstock) and as food or feed additives).09-30-2010
20110183396PRODUCTION AND USE OF YEAST HAVING INCREASED CELLULOSE HYDROLYSIS ABILITY - The present invention provides a method for producing an yeast having an increased cellulose hydrolysis ability. The method includes the step of introducing increased integration copy numbers of both a gene for an enzyme capable of hydrolyzing crystalline cellulose and a gene for an enzyme capable of hydrolyzing noncrystalline cellulose into a noncellulolytic yeast to give a transformed yeast. The yeast having an increased cellulose hydrolysis ability can be suitably used for ethanol production from cellulose-based materials.07-28-2011
20120315683ETHANOL PRODUCTION FROM LIGNOCELLULOSIC BIOMASS WITH RECOVERY OF COMBUSTIBLE FUEL MATERIALS - Described are processes for producing a product, such as ethanol, from lignocellulosic biomass, and producing a burnable fuel material from byproducts. The burnable fuel material can be burned on site to produce energy to feed back into the production process.12-13-2012
20120135489METHOD OF ALCOHOL PRODUCTION - The present invention relates to a process for producing alcohol from a cellulosic material, said process comprising: hydrolyzing said cellulosic material with an aqueous acid to produce a hydrolysate; extracting acid and water from said hydrolysate with a water-miscible organic extraction solvent to yield (a) a first aqueous acidic solution containing said extraction solvent and (b) a residue containing sugars; subjecting said residue to an oligosaccharide cleavage reaction to yield an aqueous solution of fermentable sugars; fermenting said fermentable sugars and distilling alcohol from the resulting fermented mixture; contacting said first aqueous acidic solution with a water-immiscible liquid lipophilic solvent to yield a second aqueous acid solution and a solvent mixture of said extraction solvent and said liquid solvent; separating said solvent mixture to yield extraction solvent for recycling; and separating from said second aqueous acid solution an aqueous acid for recycling.05-31-2012
20120135488METHODS FOR THE PREPARATION AND USE OF CELLULOSIC FEEDSTOCK FOR ETHANOL PRODUCTION - The instant invention provides methods for increasing the efficiency and yield of cellulosic ethanol production.05-31-2012
20100273229PROCESS FOR PRODUCING ETHANOL - A process for producing ethanol including a combination of biochemical and synthetic conversions results in high yield ethanol production with concurrent production of high value coproducts. An acetic acid intermediate is produced from carbohydrates, such as corn, using enzymatic milling and fermentation steps, followed by conversion of the acetic acid into ethanol using esterification and hydrogenation reactions. Coproducts can include corn oil, and high protein animal feed containing the biomass produced in the fermentation.10-28-2010
20100273228PROCESS FOR PRODUCING ETHANOL FROM A HYDROLYSATE OF THE HEMICELLULOSE FRACTION OF SUGARCANE BAGASSE IN A PRESS REACTOR - The invention is a process for producing ethanol from sugarcane bagasse, the principal steps of which are mild sulphuric acid hydrolysis of the hemicellulose fraction of the sugarcane bagasse, followed by extraction of the hydrolysate and then fermentation thereof with the yeast 10-28-2010
20100291650Methods for reducing enzyme consumption in second generation bioethanol fermentation in the presence of lignin. - Provided are methods of liquefaction, saccharification and fermentation of pre-treated lignocellulosic biomass in production of bioethanol. Addition of PEG or surfactant is effective to enhance cellulase hydrolysis yields at high dry matter (>20%) at surprisingly low concentrations compared with comparable results in low dry matter hydrolysis. This effect is most pronounced at comparatively low cellulase loading <7 FPU (g DM)11-18-2010
20120225465FERMENTATION OF CARBOHYDRATE - A high yield method for fermenting carbohydrate to ethanol, comprising a) treating carbohydrate with a composition containing 10-90 wt. % of an aldehyde selected from the group consisting of an formaldehyde, para-formaldehyde, glutaraldehyde and mixtures thereof, 1-50 wt. % of a surfactant having an I JLB from 4 to 18, 0-20 wt. % of an antimicrobial terpene, or essential oils, 1-50 wt. % of organic acids selected from C09-06-2012
20120190093METHOD FOR PRODUCING B-GLUCANASE AND XYLANASE USING FUNGUS BODY DEBRIS, AND LIQUID CULTURE MEDIUM - Disclosed is production of cellulase having excellent ability to decompose cellulosic resources containing xylan at low cost.07-26-2012
20090017512APPARATUS AND METHODS FOR THE PRODUCTION OF ETHANOL, HYDROGEN AND ELECTRICITY - The compositions, methods and apparatus of the present invention allow the production of electricity, ethanol and hydrogen, and combinations thereof. In some embodiments, the invention provides a process for generating electricity or hydrogen comprising supplying a microbial catalyst and a fuel source to a microbial fuel cell or a bio-electrochemically assisted microbial reactor (BEAMR), respectively, under thermophilic conditions. In other embodiments, the invention provides a process of generating ethanol and electricity or ethanol and hydrogen comprising supplying a microbial catalyst and a fuel source to a fermentation vessel in operable relation with a microbial fuel cell or a BEAMR system, respectively, wherein the microbial catalyst has a cellulolytic activity, an ethanologenic activity, and an electricigenic activity. Other embodiments include compositions and apparati for practicing the invention.01-15-2009
20080299633SYSTEMS AND PROCESSES FOR CELLULOSIC ETHANOL PRODUCTION - A cellulosic ethanol production process. An implementation of a process for producing fuel ethanol and biodiesel from cellulose may include: providing a raw cellulose stream by mixing a waste cellulose stream and an algae cellulose stream, hydrolyzing the raw cellulose stream to form a hydrolyzed cellulose stream, liquefying the hydrolyzed cellulose stream to produce a formed sugars stream and one or more liquefaction byproduct streams, fermenting the formed sugars stream to produce a raw ethanol stream by reacting the sugars stream with a yeast feed in at least one fermenter, separating the raw ethanol stream to form a fuel ethanol stream, producing an algae stream by reacting at least one of the one or more liquefaction byproduct streams with algae in at least one algae bioreactor, and reacting the algae stream in at least one biodiesel reactor to produce the algae cellulose stream and a biodiesel stream.12-04-2008
20080299631ETHANOL PRODUCTION FROM GRAMINACEOUS PLANTS BY USING IMMOBILIZED CARBOHYDRATE HYDROLASES ON NANOPARTICLES - The present invention relates to a carbohydrate hydrolase-immobilized magnetic nanoparticle; a method of preparing ethanol from graminaceous plants and a continuous system of preparing ethanol.12-04-2008
20090280547Cellooligosaccharide-fermentative zymobacter transformed microorganisms - This invention provides transformed microorganisms which can produce ethanol from cellooligosaccharide, by introducing β-glucosidase gene by recombinant DNA method, into microorganisms belonging to genus 11-12-2009
20110039320Methods and Compositions for Enhanced Production of Organic Substances From Fermenting Microorganisms - The present invention relates methods and compositions for producing an organic substance from fermenting microorganism using simultaneous saccharification and fermentation. One aspect of the invention provides producing alcohol by simultaneous saccharification and fermentation by combining a cellulosic substrate, and whole fermentation broth, and an ethanologenic microorganism under conditions conducive both to hydrolysis of cellulose to glucose and to conversion of glucose to alcohol02-17-2011
20120322124CONTROL OF CONTAMINANT MICROORGANISMS IN FERMENTATION PROCESSES WITH SYNERGISTIC FORMULATIONS CONTAINING STABILIZED CHLORINE DIOXIDE AND QUATERNARY AMMONIUM COMPOUND - A method for controlling growth of contaminant microorganisms in a fermentation process and in a fermentation system using a composition comprising (a) stabilized chlorine dioxide (SCD) and (b) a quaternary ammonium compound (QAC). The method comprises adding SCD and QAC to one or more steps of a fermentation process. In this method, the SCD and QAC may be added to one or more components of a fermentation broth comprising inoculant, fermentable sugar and process water.12-20-2012
20100203607PROCESSING BIOMASS - Carbon-containing materials, such as biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) or coal are processed to produce useful products, such as fuels. For example, systems are described that can use feedstock materials, such as cellulosic and/or lignocellulosic materials and/or starchy materials, to produce ethanol.08-12-2010
20110212499LOCALLY-REGULATED PRESSURIZED PRETREATMENT OF LIGNOCELLULOSIC BIOMASS - Described are methods for pretreating lignocellulosic biomass that comprise passing a hot aqueous biomass slurry through a heat exchange passage from an inlet to an outlet and locally regulating pressure in the passage by feed of a pressurized liquid medium to one or more intermediate locations of the passage. Also described are methods for producing ethanol from the pretreated biomass.09-01-2011
20120322125CONTROL OF CONTAMINANT MICROORGANISMS IN FERMENTATION PROCESSES WITH SYNERGISTIC FORMULATIONS CONTAINING PEROXIDE COMPOUND AND QUATERNARY AMMONIUM COMPOUND - A method for controlling growth of contaminant microorganisms in a fermentation process using a combination of (a) peroxide compound (PC) and (b) a quaternary ammonium compound (QAC). The method comprises adding PC and QAC to one or more steps of a fermentation process. In this method, the PC and QAC may be added to one or more components of a fermentation broth comprising inoculant, fermentable sugar and process water.12-20-2012
20110236945USE OF RECYCLED COTTON FOR PRODUCING ETHANOL, AND PRODUCTION METHOD - Recycled textile cotton is used for producing ethanol by the execution of a process that includes a) a stage of pretreatment of textile cotton, optionally with grinding of textile cotton, pretreatment of textile cotton that may or may not be ground by pulping 09-29-2011
20110236944METHOD FOR PRODUCING INTERMEDIATE MATERIAL INTENDED FOR ETHANOL PRODUCTION, AND RESULTING INTERMEDIATE MATERIAL - A process for the production of an intermediate product from a lignocellulosic raw material that is intended for the production of ethanol, which process includes pulping the raw material in an extruder at a temperature of between 60° C. and 180° C., in the presence of a quantity of water that represents between 200% and 450% of the mass of the raw material and preferably in the presence of a strong acid or a strong base that is weakly concentrated. An intermediate product can be obtained by this process for producing ethanol.09-29-2011
20100233773Saccharifying Cellulose - Dissolution, partial dissolution or softening of cellulose in an ionic liquid (IL) and its subsequent contact with anti-solvent produces regenerated cellulose more amorphous in structure than native cellulose, which can be separated from the IL/anti-solvent mixture by mechanical means such as simple filtration or centrifugation. This altered morphology of IL-treated cellulose allows a greater number of sites for enzyme adsorption with a subsequent enhancement of its saccharification. The IL-treated cellulose exhibits significantly improved hydrolysis kinetics with optically transparent solutions formed after about two hours of reaction. This provides an opportunity for separation of products from the catalyst (enzyme) easing enzyme recovery. With an appropriate selection of enzymes, initial hydrolysis rates for IL-treated cellulose were up to two orders of magnitude greater than those of untreated cellulose. Due to the non-volatility of the IL, anti-solvent can be easily stripped from the IL/anti-solvent mixture for recovery and recycle of both the ionic liquid and anti-solvent.09-16-2010
20100233772MODULAR SYSTEM FOR INTRODUCING A STREAM OF PROCESSED GRAIN INTO AN ETHANOL PRODUCTION FACILITY, AND ASSOCIATED METHODS - A modular system is provided to introduce a grain containing a commercial enzyme into an ethanol production facility. The modular system comprises a plurality of portable storage units configured to receive a raw grain material. Each storage unit is adapted for transportation between ethanol production facilities. A portable processing unit is in communication with each of the storage units for receiving the grain material therefrom. The processing unit is configured to mix a grain containing a commercial enzyme with a commodity grain so that the enzyme is in effective amounts to sufficiently carry out downstream enzymatic applications. The processing unit is further configured to meter the processed grain material at appropriate admix levels to an ethanol production facility. The processing unit is adapted for transportation between ethanol production facilities. Associated apparatuses and methods are also provided.09-16-2010
20120329118CONTROL OF CONTAMINANT MICROORGANISMS IN FERMENTATION PROCESSES WITH PEROXYGEN-RELEASING COMPOUNDS - A method for controlling growth of contaminant microorganisms in a fermentation process using a nitrogen-free peroxygen-releasing compound. The method comprises adding the nitrogen-free peroxygen-releasing compound to one or more steps of a fermentation process. In this method, the a nitrogen-free peroxygen-releasing compound may be added to one or more components of a fermentation broth comprising inoculant, fermentable sugar and process water.12-27-2012
20120329117CONTROL OF CONTAMINANT MICROORGANISMS IN FERMENTATION PROCESSES WITH SYNERGISTIC FORMULATIONS CONTAINING STABILIZED CHLORINE DIOXIDE AND PEROXIDE COMPOUND - A method for controlling growth of contaminant microorganisms in a fermentation process using a combination of (a) stabilized chlorine dioxide (SCD) and (b) a peroxide compound (PC). The method comprises adding SCD and PC to one or more steps of a fermentation process. In this method, the SCD and PC may be added to one or more components of a fermentation broth comprising inoculant, fermentable sugar and process water.12-27-2012
20100167367ETHANOL RECOVERY SYSTEM FOR CELLULOSIC FEEDSTOCKS - Processes for the recovery of ethanol, useful as a fuel, from various cellulosic feedstock materials fermented to produce ethanol-containing beer are disclosed. The present invention provides means for ethanol recovery from highly viscous fermented citrus waste biomass. The systems overcome various challenges, including effectively stripping the ethanol from biomass beer in an energy efficient and economical manner that may allow for the further dehydration of the ethanol/water mix in a traditional rectifier distillation column. In certain embodiments, a series of flash stages and beer stripping columns are capable of operating with highly viscous slurries and/or feedstocks containing high levels of solids.07-01-2010
20100167368PROCESS FOR PRODUCTION OF MONOSACCHARIDE AND PROCESS FOR PRODUCTION OF ETHANOL BOTH UTILIZING CELLULOSE-BASED SUBSTANCE - Disclosed is a novel process which has low facility load, requires a reduced amount of energy, is highly safe, and enables to produce a monosaccharide such as glucose and xylose by decomposing a cellulose-based substance under conditions where a substance used for decomposing the cellulose-based substance (e.g., a solvent, a catalyst) can be separated, collected and re-used readily. Also disclosed is a novel process for producing ethanol from the monosaccharide through ethanol fermentation. Specifically disclosed is a process for producing a monosaccharide, which comprises disaggregating/finely pulverizing a cellulose-based substance, mixing the resulting material with a phosphate solution to disperse the resulting material in the phosphate solution, and decomposing cellulose in the solution at a temperature of 100° C. or lower while irradiating with ultraviolet ray optionally in the presence of titanium dioxide.07-01-2010
20130017589FRACTIONATION OF LIGNOCELLULOSIC BIOMASS FOR CELLULOSIC ETHANOL AND CHEMICAL PRODUCTION - A process is defined for the continuous steam pretreatment and fractionation of corn cobs and low lignin lignocellulosic biomass to produce a concentrated cellulose solid stream that is sensitive to enzymatic hydrolysis. Valuable chemicals are recovered by fractionating the liquid and vapor stream composed of hydrolysis and degradation products of the hemicellulose. Cellulosic derived glucose is produced for fermentation to biofuels. A hemicellulose concentrate is recovered that can be converted to value added products including ethanol.01-17-2013
20110159560MODIFIED YEAST STRAINS EXHIBITING ENHANCED FERMENTATION OF LIGNOCELLULOSIC HYDROLYSATES - The present invention relates to novel xylose-fermenting yeast strains (for example, yeast of the genus 06-30-2011
20130023022ETHANOL PRODUCTIVITIES OF SACCHAROMYCES CEREVISIAE STRAINS IN FERMENTATION OF DILUTE-ACID HYDROLYZATES DEPEND ON THEIR FURAN REDUCTION CAPACITIES - The present invention relates to an ethanol producing microbial strain, such as 01-24-2013
20130023021ETHANOL PRODUCTIVITIES OF SACCHAROMYCES CEREVISIAE STRAINS IN FERMENTATION OF DILUTE-ACID HYDROLYZATES DEPEND ON THEIR FURAN REDUCTION CAPACITIES - The present invention relates to an ethanol producing microbial strain, such as 01-24-2013
20130171708Heterologous Expression of Urease in Anaerobic, Thermophilic Hosts - The invention is directed to the heterologous expression of urease in anaerobic thermophilic hosts, such as 07-04-2013
20130171709METHOD FOR PRODUCING ETHANOL USING CELLULOSIC BIOMASS AS RAW MATERIAL - A method for producing ethanol by alcohol fermentation of a saccharide obtained by hydrolyzing cellulosic biomass in a supercritical or subcritical state, wherein excessive decomposition and caramelization of the saccharide are inhibited to prevent a reduction in yield of the saccharide, and flash steam is effectively used. The method for producing ethanol of the present invention is characterized in that in a saccharification/decomposition step, a slurry after saccharification/decomposition, is flash-evaporated in a first flash tank so as to have a temperature of 150° C. to 200° C.; the slurry after saccharification/decomposition, which is taken from the first flash tank, is further flash-evaporated in a second flash tank so as to have a temperature of 100° C. to 120° C.; and first flash steam generated from the first flash tank is used as a heat source in the saccharification/decomposition step or a distillation step.07-04-2013
20130143290SYSTEM FOR THE TREATMENT OF BIOMASS TO FACILITATE THE PRODUCTION OF ETHANOL - A method for treating biomass to be supplied to a fermentation system for the production of a fermentation product is disclosed. The method comprises the steps of pre-treating the biomass into pre-treated biomass; separating the pre-treated biomass into a first component comprising glucan and a second component comprising sugars; providing a combined component comprising at least a portion of the first component and at least a portion of the second component; and treating the combined component of the pre-treated biomass into a treated component comprising glucose by application of an enzyme formulation. A system for treating biomass to be supplied to a fermentation system for the production of a fermentation product is also disclosed. The system comprises an apparatus configured to pre-treat the biomass; a separator configured to separate the pre-treated biomass; and a vessel configured to contain a combined component.06-06-2013
20080213850Pretreatment of Waste Mushroom Bed and Method of Converting the Same to Yield Sugars and Ethanol - It is an objective of the present invention to develop a method of pretreating a waste mushroom bed so as to easily and efficiently obtain sugars and ethanol with the use of such waste mushroom bed. It is another objective of the present invention to develop a method of converting the pretreated waste mushroom bed to yield sugars and ethanol. According to the present invention, it has been found that the above objective can be achieved by maintaining a waste mushroom bed at 4° C. to 30° C. for 1 week or longer after harvesting of fruit bodies for conversion of the waste mushroom bed to yield sugars and ethanol.09-04-2008
20130102046XYLOSE-FERMENTING MICROORGANISM - The present disclosure provides compositions and methods related to the fermentation of xylose. Host cells having recombinant polynucleotides encoding one or more of aldose reductases, xylitol dehydrogenases, and xylulokinase are provided herein. Host cells having reduced expression of PHO13 are also provided herein. Also provided herein are uses of host cells provided herein, and methods relating to the use of xylose-containing materials.04-25-2013
20110275131METHODS OF PROCESSING ENSILED BIOMASS - The invention relates to methods of processing ensiled biomass for production of bioethanol or other fermentation products and, in particular, to methods that do not require expensive pretreatment (e.g. heat or chemical pretreatment).11-10-2011
20110275130FERMENTATIVE GLYCEROL-FREE ETHANOL PRODUCTION - The present invention relates to a yeast cell, in particular a recombinant yeast cell, the cell lacking enzymatic activity needed for the NADH-dependent glycerol synthesis or the cell having a reduced enzymatic activity with respect to the NADH-dependent glycerol synthesis compared to its corresponding wild-type yeast cell, the cell comprising one or more heterologous nucleic acid sequences encoding an NAD+-dependent acetylating acetaldehyde dehydrogenase (EC 1.2.1.10) activity. The invention further relates to the use of a cell according to the invention in the preparation of ethanol.11-10-2011
20100304455ETHANOL PRODUCING PROCESS AND APPARATUS - The present invention relates to a process for producing ethanol by carrying out the following steps: performing enzymatic saccharification of pre-treated lignocellulosic biomass in a reaction system; performing ethanol fermentation of fermentable sugars obtained from the saccharified pre-treated lignocellulosic biomass in the same reaction zone as the enzymatic saccharification; distilling ethanol directly off from a reaction treatment liquid in the reaction zone, so as to recover the ethanol. The process suitably uses an ethanol producing apparatus including: one reaction vessel having a biomass raw material inlet, a diastatic enzyme inlet, and a fermentation microorganism inlet; heating means for adjusting a temperature inside the reaction vessel; pH controlling means for controlling pH inside the reaction vessel; stirring means for stirring a liquid inside the reaction vessel; and distilling means for distilling the liquid inside the reaction vessel, which distilling means is directly connected to the reaction vessel. Hence, the present invention enables efficient production of ethanol from the lignocellulosic biomass with simple operations.12-02-2010
20120282666METHOD FOR PRODUCING ETHANOL - The present invention provides a method for producing ethanol, including: subjecting a cellulose-based material to a hot-water treatment and an ammonia treatment to obtain a fermentation substrate; and reacting the fermentation substrate with a yeast to produce ethanol. The present invention also provides a method for producing a fermentation substrate for ethanol production by a yeast, including: subjecting a cellulose material to a hot-water treatment and an ammonia treatment to obtain a fermentation substrate. Thus obtained fermentation substrate can enhance the ethanol production by yeast.11-08-2012
20130183733PROCESS FOR PRODUCING BIOETHANOL BY ENZYMATIC HYDROLYSIS OF CELLULOSE - A process for producing bioethanol includes the steps of pretreatment (consisting in destructuring the lignocellulosic vegetable raw material by placing it in the presence of a mixture containing formic acid, acetic acid and water, then in separating cellulose), of enzymatic hydrolysis and of alcoholic fermentation, characterized in that it includes, prior to the enzymatic hydrolysis, a step of partial elimination of the lignins so as to obtain a residual overall level of lignins (T), expressed as percentage by weight, which is non-zero and which is included in a range determined by a lower limit, and an upper limit Bsup, respectively equal to 0.30% and 4%. In order to obtain conditions of acidification before the enzymatic hydrolysis step, the process includes a step for re-acidification of the mixture, which is carried out with an acid, or of a mixture of acids, of determined pKa, and preferably with weak organic.07-18-2013
20110312055METHOD OF PRODUCTION OF ALCOHOL - The invention provides a process for producing alcohol from a cellulosic material, said process comprising: hydrolyzing said cellulosic material with an aqueous acid to produce a hydrolysate; extracting acid and water from said hydrolysate with a water-miscible organic extraction solvent to yield (a) a first aqueous acidic solution containing said extraction solvent and (b) a residue containing sugars; subjecting said residue to an oligosaccharide cleavage reaction to yield an aqueous solution of fermentable sugars; fermenting said fermentable sugars and distilling alcohol from the resulting fermented mixture; contacting said first aqueous acidic solution with a pressurized fluid lipophilic solvent in non-gaseous form, which fluid solvent is substantially water-immiscible and is gaseous at ambient conditions, to yield a second aqueous acid solution and a solvent mixture of said extraction solvent and said fluid solvent; depressurizing said solvent mixture to release said extraction solvent for recycling; and, optionally, concentrating said second aqueous acid solution for recycling.12-22-2011
20110312054Isolation and Characterization of Schizochytrium Aggregatum Cellobiohydrolase I (CBH I) - The present invention provides for the isolation and characterization of the cbh1 gene from 12-22-2011
20120028325Flow-Through Biological Conversion Of Lignocellulosic Biomass - The present invention is directed to a process for biologically converting carbohydrates from lignocellulosic biomass comprising the steps of: suspending lignocellulosic biomass in a flow-through reactor, passing a reaction solution into the reactor, wherein the solution is absorbed into the biomass substrate and at least a portion of the solution migrates through said biomass substrate to a liquid reservoir, recirculating the reaction solution in the liquid reservoir at least once to be absorbed into and migrate through the biomass substrate again. The biological converting of the may involve hydrolyzing cellulose, hemicellulose, or a combination thereof to form oligosaccharides, monomelic sugars, or a combination thereof; fermenting oligosaccharides, monomelic sugars, or a combination thereof to produce ethanol, or a combination thereof. The process can further comprise removing the reaction solution and processing the solution to separate the ethanol produced from non-fermented solids.02-02-2012
20130196401HYDROLYTIC ENZYME MIXTURES FOR SACCHARIFICATION OF LIGNOCELLULOSIC POLYSACCHARIDES - The present invention relates to cell wall degradative systems, in particular to systems containing enzymes that bind to and/or depolymerize cellulose. These systems have a number of applications. Some embodiments relate to a method of producing ethanol using the cell wall degradative systems of the present invention.08-01-2013
20120077241ETHANOLOGENIC BACTERIA AND THEIR USE IN ETHANOL PRODUCTION - The invention relates to bacterium that have increased resistance to furfural and methods of preparation. The invention also relates to methods of producing ethanol using the bacterium and corresponding kits.03-29-2012
20120088285Process For Treating A Substrate With An Enzyme - In a process for hydrolyzing plant material in aqueous solution or suspension with an enzyme, the enzyme is delivered in solid form (e.g., as a spray-dried powder) in closed containers (such as paper bags or cardboard boxes), which are added directly in the process (i.e. addition of whole boxes/bags). The invention is particularly amenable to the production of first or second-generation bioethanol.04-12-2012
20130210100ORGANOSOLV PROCESS - The present disclosure provides an organosolv process. The present process comprises treating a lignocellulosic biomass in the presence of a solvent and under certain conditions to separate at least a part of the lignin from the biomass.08-15-2013
20130210101ENHANCING FERMENTATION OF STARCH- AND SUGAR-BASED FEEDSTOCKS - Provided are methods, systems, and compositions for increasing the rate and/or yield of fermentation processes using blended feedstocks. Also provided are methods, systems, and compositions for decreasing the yield of one or more undesirable products during fermentation.08-15-2013
20130210102METHODS FOR DETOXIFYING A LIGNOCELLULOSIC HYDROLYSATE - The present disclosure relates to methods for detoxifying a hydrolysate obtained from a lignocellulosic biomass and methods of producing ethanol from the detoxified hydrolysate. The present methods provide detoxified hydrolysates in which the quantity of compounds that are deleterious to fermenting microorganisms are substantially reduced relative to the starting hydrolysate and in which the amount of total fermentable sugars loss is minimal.08-15-2013

Patent applications in class Substrate contains cellulosic material