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Preparing element or inorganic compound except carbon dioxide

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

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Class / Patent application numberDescriptionNumber of patent applications / Date published
435168000 Preparing element or inorganic compound except carbon dioxide 89
20110207193Novel microorganisms, selenium acid compound-reducing agent, method for reducing and method for removing selenium acid compound, and process for producing metallic selenium - Disclosed are novel microorganisms having an excellent ability to reduce selenium acid compounds, a selenium acid compound-reducing agent comprising such microorganism(s) as an active ingredient, a method for reducing and a method for removing a selenium acid compound with use of such microorganism(s), and a process for producing metallic selenium. The microorganisms of the present invention are 08-25-2011
20080233624Apparatus and method for biohydrogen production - An apparatus for biohydrogen production comprises a cell with an anion-selective membrane dividing the cell into first and second compartments. In use, the first compartment is placed into fluid communication with a bacterial fermentation culture and the second compartment is placed into fluid communication with a photoheterotrophic bacterial culture. Application of a potential difference to the cell allows organic acids produced by the bacterial fermentation culture to cross the membrane and be supplied to the photoheterotrophic bacterial culture. Regulation of the current through the cell controls the quantity of ammonium transferred with the organic acids.09-25-2008
20090155876Biological production method of photoconductive arsenic-sulfide (As-S) nanotube and strain used for the same - Disclosed is a biological method for preparing arsenic sulfide (As—S) compounds. More particularly, the present invention provides a method for production of nanotubes based on As—S compounds including As06-18-2009
20090155875Methods to Enhance Carbon Monoxide Dehydrogenase Activity and Uses Thereof - This invention relates, in part, to methods and compositions for modulating the water-gas shift reaction (e.g., promoting the water-gas shift forward reaction) or in which the water-gas shift reaction has been modulated. The methods and compositions, therefore, also relate, in part, to increasing the oxidation rate of carbon monoxide (CO), for increasing the availability of CO (e.g., to the carbon monoxide dehydrogenase (CODH) enzyme complex), for removing and/or promoting the release of hydrogen and/or carbon dioxide (CO2), for regulating the redox potential of cells, for preventing free radical damage and/or promoting cell survivability, etc. The invention also relates, in part, to methods and compositions for modulating CODH activity, such as increasing CODH activity. Methods and compositions are also provided for modulating the PSII reaction (e.g., promoting the PSII forward reaction) or in which the PSII reaction has been modulated. The modulation of the PSII reaction can be in conjunction with the modulation of the water-gas shift reaction. The invention also relates, in part, to methods and compositions for modulating PSII activity, such as increasing PSII activity. The invention further relates to uses of the aforementioned methods and compositions. For example, methods and compositions are provided for the production of hydrogen and/or for the elimination of CO. The methods and compositions provided can be used for a variety of industrial and medical applications, and such applications are also provided as part of the invention.06-18-2009
20130089907HYDROGEN PRODUCTION METHOD USING ALCOHOL AND PHOTOSYNTHETIC BACTERIA - The present disclosure relates to methods for producing hydrogen using photosynthetic bacteria comprising a step of culturing the photosynthetic bacteria in the presence of alcohol at the condition under which the photosynthesis occurs. The present methods are cost-effective and have a high applicability due to the increased hydrogen productivity compared to the conventional methods in addition to not being sensitive by the inhibitory action by ammonium ion present in the culture. Thus the present methods are particularly useful for producing hydrogen using organic wastes which contains large amount of ammonia therein.04-11-2013
20090305378INTEGRATED CHEMICAL PROCESS - A mineral carbonation process, characterised in that the silicate feedstock is thermally activated by using heat generated from the combustion of fuel prior to reacting the activated slurry feedstock with carbon dioxide.12-10-2009
20130164810SULFIDE GENERATION VIA BIOLOGICAL REDUCTION OF DIVALENT,TETRAVALENT OR PENTAVALENT SULFUR CONTAINING COMBUSTION FLUE GAS OR LIQUOR - The present invention relates to the biologically catalyzed, anaerobic generation of sulfide species as sulphide, hydrosulfide or hydrogen sulfide in anaerobic bioreactors from the reduction of tetravalent sulfur derived from one or more sources including sulfur dioxide containing combustion flue gas, or the reduction of divalent or pentavalent sulfur containing liquors such as thiosulfate or dithionate containing liquors. Flue gas sources of sulfur dioxide also contain one or more bio-nutrients or energy sources. The generated sulfide is useful for numerous applications including waste treatment and metals recovery as sulfides.06-27-2013
20100075390DEVELOPMENT AND USE OF AN IRON-BASED CATALYST FOR IMPLEMENTING AN OXIDATION-REDUCTION PROCESS FOR SUBSTANCES TO BE REDUCED - The invention relates to the use of a ferrous ferric oxyhydroxy salt of the dual lamellar hydroxide family as a catalyst, or as a precursor of the catalyst having the same crystalline structure as the catalyst, for implementing an oxidation-reduction method, the ferrous ferric oxyhydroxy salt being used in association with ferri-reducing bacteria capable of reducing Fe03-25-2010
20090233341PROCESS FOR PRODUCING BIOGAS - A production method of a biogas of the present invention comprises carrying out hydrogen fermentation of a subject solution containing organic matter with the use of a hydrogen fermentation microorganism, in which according to a correlation between a concentration of a predetermined substrate in a liquid to be processed containing an organic matter and a rate of consumption of the substrate by a hydrogen-fermenting microorganism a maximum tolerable concentration of the substrate consumable by the hydrogen-fermenting microorganism is determined in advance and in which in the actual hydrogen formation step, the concentration of the substrate in the liquid is maintained at one not higher than the maximum tolerable concentration. According to the production method of a biogas of the present invention, hydrogen fermentation can be performed sufficiently smoothly without any treatment of the material involving consumption of thermal energy such as heating/warming.09-17-2009
20120115202PHOTOCATALYTIC HYDROGEN PRODUCTION IN CYANOBACTERIA - A cyanobacterial cell comprising a PSI complex which accepts electrons from at least one respiratory cytochrome is disclosed. Methods of generating same and use of same for the production of hydrogen gas are also disclosed.05-10-2012
20120237995PROCESS OF TREATMENT FOR OXIDIZING AN ACIDIC SOLUTION CONTAINING AN IODIDE ION AND AN IRON (II) ION - [Problem to be Solved]09-20-2012
20110281318METHOD AND APPARATUS FOR TREATING AN OFF-GAS STREAM - The present invention provides a method and apparatus for treating a first off-gas stream in a gasification process to provide an ammonium-rich stream. The method comprises providing a first off-gas stream by separating a slurry bleed stream in a sour slurry stripper to provide the first off-gas stream and a stripped slurry stream. The first off-gas stream is passed to a hydrolysis zone operated to provide a second off-gas stream. The second off-gas stream is scrubbed with an aqueous acidic stream in an ammonia scrubber to provide a third off-gas stream.11-17-2011
20110318804PHOTOBIOREACTOR - A bioreactor for cultivating phototrophic microorganism, includes a transparent upper plate and a lower plate, the upper plate being disposed above and spaced apart from the lower plate and defining therebetween a continuous cultivation volume having an inlet port and an outlet port, each of the plates including a plurality of parallel-facing deformations including peaks and troughs disposed in a regularly repeating geometric pattern. Further, a method of operating the bioreactor includes supplying a liquid culture of phototrophic microorganisms in the cultivation volume, supplying the microorganisms with nutrients, incubating the culture in daylight and harvesting at least one of the microorganisms and metabolites that have diffused into the culture medium are harvested.12-29-2011
20100291651RECOMBINANT HYDROGEN-PRODUCING CYANOBACTERIUM AND USES THEREOF - A recombinant cyanobacterium comprising an oxygen-tolerant, hydrogen-evolving hydrogenase, kit, and methods of use.11-18-2010
20080311640Anaerobic Production of Hydrogen and Other Chemical Products - Described herein are methods for producing chemical products by anaerobically fermenting a particular biomass using anaerobic bacteria. Such chemical products include hydrogen and other gases, acetic acid and other volatile organic acids, solvents, solids, and salts of volatile organic acids.12-18-2008
20110250667FOSSIL FUEL-FREE PROCESS OF LIGNOCELLULOSIC PRETREATMENT WITH BIOLOGICAL HYDROGEN PRODUCTION - The invention provides an isolated haloalkaliphilic microorganism designated as strain sapolanicus belonging to the genus 10-13-2011
20100041121METABOLICALLY ENGINEERED ORGANISMS FOR THE PRODUCTION OF HYDROGEN AND HYDROGENASE - The present application relates to the use of metabolically-engineered microbial cells for the production of hydrogen and hydrogenase enzymes. The microbial cells are strains of 02-18-2010
20100086983PROCESS FOR ACCELERATED CAPTURE OF CARBON DIOXIDE - The present invention generally relates to the removal of carbon dioxide from a gas stream, particularly a flue gas, hydrogen gas from a reformer, natural gas, or gas from a cement kiln. Immobilized enzymes for use in carbon capture and other systems are also disclosed.04-08-2010
20110195473METHOD AND DEVICE FOR PHOTOSYNTHESIS-SUPPORTED EXHAUST GAS DISPOSAL, PARTICULARLY CO2 - The invention relates to a method and to a device for photosynthesis-supported exhaust gas disposal, particularly CO08-11-2011
20120107895Method and Apparatus for Membrane-Based, Two-Stage Gas Production from Solid Biomaterials - Embodiments of the present invention preferably relate to a method and apparatus for a two-stage membrane-based production of gas, preferably hydrogen gas or the like, from solid biological materials, preferably organic waste materials or the like, comprising anaerobic hydrolysis and fermentation and photofermentation using microorganisms.05-03-2012
20090263876HYDROGEN FERMENTOR AND METHOD OF PRODUCING HYDROGEN - The hydrogen fermentation apparatus is the one that generates hydrogen by decomposing organic matter through hydrogen fermentation. There are arranged a hydrogen fermentor which holds the treating liquid containing organic matter, and a string-shape carrier which is positioned to immerse itself in the treating liquid in the hydrogen fermentor, and on which hydrogen-generating bacteria are fixed.10-22-2009
20100099158Bioenergy Production Apparatus and Method - A bioenergy production apparatus (04-22-2010
20090280548METHOD AND DEVICE FOR PRODUCING HYDROGEN - In a step of contacting an organic material including formic acid ions and a carbon source other than the formic acid ions with a microorganism having a formate dehydrogenase gene and a hydrogenase gene under an anaerobic condition, concentration of the formic acid ions in the organic material is set to be not less than 0.01 mol/L and not more than 0.5 mol/L, and concentration of the carbon source is set to not less than 0.1 mmol/L and not more than 200 mmol/L. This allows continuously producing hydrogen for a long time, without dropping the ability of the microorganism to produce hydrogen.11-12-2009
20100136643METHOD AND APPARATUS FOR PRODUCING HYDROGEN AND MICROORGANISM-IMMOBILIZATION PELLETS USED IN THE SAME - The hydrogen-producing method of the an aspect of the present invention is a method for producing hydrogen in which hydrogen is produced from an organic matter using a microorganism, characterized by using pellets on which hydrogen-producing acid-resistant bacteria are entrapped and immobilized, producing hydrogen by bringing the pellets into contact and react with the organic matter in an environment of a pH of 4 to 6. The inventors of the present invention have obtained a finding that a hydrogen-producing bacteria are entrapped and immobilized, so that the optimum pH of the hydrogen-producing bacterium shifts to low range. The present invention is made based on the above finding and uses pellets on which the hydrogen-producing bacteria are entrapped and immobilized, so that the hydrogen-producing bacterium is activated at a low pH range of 4 to 6 to produce hydrogen. Therefore, the effects of contaminated bacteria that consume hydrogen are less, and the yield of hydrogen can be improved.06-03-2010
20110269206Polypeptides Having Catalase Activity And Polynucleotides Encoding Same - The present invention relates to isolated polypeptides having catalase activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.11-03-2011
20110269205USE OF ENZYME CATALYSTS IN CO2 PCC PROCESSES - A method for processing a stream enriched in CO11-03-2011
20090029433HYDROGEN PRODUCING MICROORGANISM USEFUL FOR ENERGY GENERATION FROM DIVERSE CARBOHYDRATES - The disclosed invention relates to an isolated hydrogen gas producing microorganism, termed 01-29-2009
20090325255PROCESS FOR OVER-PRODUCTION OF HYDROGEN - The present invention provides a process of increasing production of hydrogen during fermentation process and also an electro-biochemical is designed to achieve higher hydrogen production.12-31-2009
20090087891METHODS AND DEVICE FOR PRODUCING HYDROGEN FROM BIOMASS - Disclosed herein are methods of producing molecular hydrogen, where the methods comprise contacting a solution comprising urea with a urease to produce ammonia, and contacting the ammonia with a first catalyst to produce a first gaseous mixture comprising molecular hydrogen.04-02-2009
20090239280METHOD FOR PRODUCING METAL NANOPARTICLES - This invention provides a method for producing a composition comprising colloidal nanoparticles of metals including silver, gold, zinc, mercury, copper, palladium, platinum, or bismuth, by contacting a metal or metal compound with bacteria. An embodiment of the method comprises a step of incubating probiotic bacteria with an aqueous solution comprising at least 4 mM of a silver or gold salt. A resulting nanosilver-containing composition is useful as a highly efficient antimicrobial agent, for instance when impregnated onto a carrier, or an algicide agent or a herbicide agent.09-24-2009
20100015681Hydrogen Production By Means Of A Cell Expression System - Expression vectors, host cells and methods of using a recombinant expression system for the production of hydrogen are disclosed. The expression vectors comprise the a bidirectional hydrogenase protein complex coding sequence of SEQ ID NO:1.01-21-2010
20100184179MICROBIAL-MEDIATED METHOD FOR METAL OXIDE NANOPARTICLE FORMATION - The invention is directed to a method for producing metal oxide nanoparticles, the method comprising: (i) subjecting a combination of reaction components to conditions conducive to microbial-mediated formation of metal oxide nanoparticles, wherein said combination of reaction components comprise: metal-reducing microbes, a culture medium suitable for sustaining said metal-reducing microbes, an effective concentration of one or more surfactants, a reducible metal oxide component containing one or more reducible metal species, and one or more electron donors that provide donatable electrons to said metal-reducing microbes during consumption of the electron donor by said metal-reducing microbes; and (ii) isolating said metal oxide nanoparticles, which contain a reduced form of said reducible metal oxide component. The invention is also directed to metal oxide nanoparticle compositions produced by the inventive method.07-22-2010
20120129236FORMULATION AND PROCESS FOR CO2 CAPTURE USING AMINO ACIDS AND BIOCATALYSTS - A formulation and a process for CO05-24-2012
20090186393NANOLIPOPROTEIN PARTICLES COMPRISING HYDROGENASES AND RELATED PRODUCTS, METHODS AND SYSTEMS - Provided herein are nanolipoprotein particles that comprise a membrane associated hydrogenase and related assemblies, devices, methods and systems.07-23-2009
20110129891Process for Controlled Homogeneous Acid Leaching - A method for leaching a material containing one or more target metals using an acidic leaching solution to extract said one or more target metals, said method including (I) empirically determining an optimal acid concentration range for said acidic leaching solution by: (a) determining the relationship between the concentration of extracted target metal/s and acid consumption in said leaching solution, (b) utilizing said relationship to evaluate value parameters for the target metal containing material as a function of said acid consumption, and (c) determining said optimal acid concentration range, which is the pH range corresponding to an optimal value parameter; and (II) controlling the concentration of said acidic leaching solution such that its pH is substantially within the optimal acid concentration range throughout said material.06-02-2011
20090035833Method for recovering metal values from refractory sulfide ore - A method for recovering metal values from refractory sulfide ores is provided. The method includes the steps of separating clays and fines from crushed refractory sulfide ore, forming a heap from the refractory sulfide ore, producing a concentrate of refractory sulfide minerals from the separated fines and adding the concentrate to the heap, bioleaching the heap to thereby oxidize iron sulfides contained therein, and hydrometallurgically treating the bioleached ore to recover metal values contained therein.02-05-2009
20130217089METHOD AND SYSTEM FOR ELECTRO-ASSISTED HYDROGEN PRODUCTION FROM ORGANIC MATERIAL - A method for producing hydrogen from organic material. Organic material and hydrogen-producing microorganisms are provided in a completely mixed bioreactor for breaking down the organic material into H08-22-2013
20110020892COMPOSITION - There is provided an anti-fouling composition comprising (i) a surface coating material; (ii) an enzyme obtained or obtainable from a marine organism; and (iii) (a) a substrate for the enzyme; and/or (b) a precursor enzyme and a precursor substrate, wherein the precursor enzyme and the precursor substrate are selected such that a substrate for the enzyme is generatable by action of the precursor enzyme on the precursor substrate; wherein the enzyme and the substrate are selected such that an anti-foulant compound is generatable by action of the enzyme on the substrate.01-27-2011
20090298151HYDROGEN PRODUCING MICROORGANISM USEFUL FOR ENERGY GENERATION FROM DIVERSE CARBONACEOUS FEEDSTOCK - The disclosed invention relates to an isolated hydrogen gas producing microorganism, termed 12-03-2009
20120034668NOVEL NITRATE REDUCTASE FUSION PROTEINS AND USES THEREOF - The present invention relates to a novel fusion protein comprising a nitrate reductase (NR) and a truncated hemoglobin N (trHbN) domain. The fusion protein may be used for bioremediation of nitric oxide.02-09-2012
20100003734Production of recombinant photosynthetic bacteria which produces molecular hydrogen in a light independent manner and hydrogen evolution method using above strain - A method of making a photosynthetic bacteria variant which that can produce hydrogen in both day and night. In one embodiment hydrogen is produced in a light independent manner by adding pyruvate lyase and formate lyase complex to a photosynthetic strain of 01-07-2010
20110081699NITRATE REDUCTION BY A PROBIOTIC IN THE PRESENCE OF A HEME - The invention relates to a method for reducing nitrate into nitrite wherein a probiotic and/or starter bacteriumis cultivated under anaerobic conditions in the presence of a nitrate, a heme and optionally a vitamin K.04-07-2011
20100304458Hydrogen And Electrical Current Production From Photosynthetically Driven Semi Biological Devices (SBDs) - The present invention provides a device comprising a first chamber and a second chamber, the first chamber oriented in two alternative ways (1) the first chamber having an anode in contact with an aqueous solution comprising a photosynthetic organism or photosynthetic part thereof and an electron acceptor molecule, an inlet and an outlet, OR (2) the first chamber having direct contact between an anode and the photosynthetic organism, the second chamber having a cathode in contact with an aqueous solution of an electrolyte, an outlet, wherein the anode and the cathode are connected by a switched electric circuit optionally having an external power source and wherein the second chamber is separated from the first chamber by a proton selective membrane. The device described in the present inventions allows for the production of hydrogen and electrical current.12-02-2010
20090170176Microorganism having the Improved Gene for Hydrogen Generation Capability, and Process for Producing Hydrogen Using the Same - The present invention provides a microorganism which possesses the formate dehydrogenase gene and hydrogenase gene and contains an exogenous transcription activator gene for formate hydrogen lyase system, characterized in that said microorganism shows the transcription activator for formate hydrogen lyase system highly expressed therein and shows an improved function to generate hydrogen from formic acid, and a process for producing hydrogen using the microorganism.07-02-2009
20110256602Method for Biotechnological Production of a Hydrogen Carrier - The invention relates to a method for biotechnological production of a hydrogen carrier. It is proposed to culture ammonium-producing cyanobacteria in which, by increasing the nitrogenase activity and/or blocking the utilization of ammonium in the cell metabolism and/or providing an exit mechanism for ammonium via the cell membrane, the ammonium yield is increased. The ammonia generated by the cyanobacteria is made available as a hydrogen carrier.10-20-2011
20110136198HYDROMETALLURGICAL PROCEDURE FOR THE PRODUCTION OF FERRIC-SULFATE FROM FAYALITE SLAG - The present invention corresponds to a commercial production process of ferric sulfate whose plant can be installed scaled to the requirements of the process of application of the bio-produced ferric solution based on fayalite slag generated in copper smelting plants. No previous process has established as its method of industrial application the use of these smelter slags in the bio-production of ferric sulfate solutions at concentrations above 20 g/L, including a stage of acid-slag leaching in dynamic heaps with control of generated silica and subsequent precipitation of colloidal silica and other impurities in a stirred reactor in the invented process. The ferrous solution free of colloidal silica and other impurities is subjected to a process of bio-oxidization of the clean ferrous solution by microorganisms adapted to these metallurgical solutions.06-09-2011
20110097781IMMOBILIZED BIOLOGICAL MATERIAL WITH IMPROVED FUNCTIONALITY AND METHOD FOR PRODUCING THE SAME - The present invention provides methods and systems for performing biological reactions with biologically active entities immobilized on a solid support. Particularly, the invention provides a biologically active entity immobilized a support through a spacer linked to a first linker. The spacer gives the biologically active entity a certain level of free movement relatively to the support surface to which it is fixed, thereby allowing the biological reaction to take place.04-28-2011
20110183397Carbonic Anhydrase Bioreactor and Process - A triphasic bioreactor for physico-chemically treating a gas is disclosed. The triphasic bioreactor comprises a reaction chamber with a liquid and biocatalysts in suspension in the liquid, for catalyzing a reaction between the gas and the liquid to obtain a treated gas and a solution containing a reaction product. A gas bubbling means is provided in the reaction chamber for bubbling the gas to be treated into the liquid thereby dissolving the gas into the liquid and increasing a pressure inside the reaction chamber. The bioreactor further comprises a liquid inlet in fluid communication with the reaction chamber for receiving the liquid and filling the reaction chamber, a liquid outlet in fluid communication with the reaction chamber for releasing the solution and a gas outlet in fluid communication with the reaction chamber to release the treated gas. The bioreactor further comprises a retention device to retain the biocatalysts in the reaction chamber. The invention also concerns a process using the triphasic bioreactor. The triphasic bioreactor may advantageously be used for removing carbonic dioxide from a CO07-28-2011
20120309070GENERATION OF HYDROGEN FROM HYDROCARBON BEARING MATERIALS - Disclosed are strategies for the economical microbial generation of hydrogen, useful as an alternative energy source, from hydrocarbon-rich deposits such as coal, oil and/or gas formations, oil shale, bitumen, tar sands, carbonaceous shale, peat deposits and sediments rich in organic matter through the management of the metabolism of microbial consortia.12-06-2012
20110136197Expression of Catalase in Trichoderma - The invention provides methods for expression of a catalase enzyme in a 06-09-2011
20110136196FOSSIL FUEL-FREE PROCESS OF LIGNOCELLULOSIC PRETREATMENT WITH BIOLOGICAL HYDROGEN PRODUCTION - The invention provides an isolated haloalkaliphilic microorganism designated as strain sapolanicus belonging to the genus 06-09-2011
20110262987Solubilization of Carbonaceous Materials and Conversion to Hydrocarbons and Other Useful Products - Methods of producing useful products, such as hydrocarbons and other molecules that are useful as fuels, from carbonaceous materials, are disclosed. Such methods include obtaining a carbonaceous material, such as coal, from a deposit and treating the carbonaceous material with one or more chemicals, including acetic acid, salts of acetic acid, esters of acetic acid, hydroxides and peroxides, alone or in combination, to solubilize the material in preparation for further processing, such as bioconversion, to produce useful products, or solubilizing the carbonaceous material in a formation using the above-recited chemicals, removing the solubilized material from the formation and bioconverting it to produce useful products, or solubilizing the material using the above-recited chemicals and bioconverting at least a portion of the solubilized material in a formation followed by recovery of useful products from the formation.10-27-2011
20090087892METHODS FOR PRODUCING MUTANT MICROBES USEFUL FOR PRECIOUS METAL AND BIOENERGY PRODUCTION - A mutant microbe that generates trace amounts of gold on silver, and uses of the mutant microbe for producing and recovering precious metals and for producing biofuels and oil products from biomass and sedimentary organic matter are described. According to an exemplary embodiment, the mutant microbe is produced by placing metallic silver in an aqueous solution, and adding a species of 04-02-2009
20120309071Microbial production of nitrous oxide coupled with chemical reaction of gaseous nitrous oxide including phosphorus recovery and nitrite reduction to nitrous oxide - A method to produce N12-06-2012
20120045813GENE ENCODING A PROTEIN HAVING AN ABILITY TO ENHANCE A SELENATE REDUCTION ACTIVITY - According to the present invention, a protein having an ability to enhance a selenate reduction activity, a gene encoding it, and a method for selenate reduction using them are provided02-23-2012
20130295634PRODUCTION OF BIOCHAR ABSORBENT FROM ANAEROBIC DIGESTATE - A novel carbon absorption material is described which is formed from anaerobic digestate. The material has a hollow tubular structure and is particularly advantageous in converting hydrogen sulfide in biogas and in absorbing the converted sulfur and sulfur compounds from biogas into its structure. The material after use as a hydrogen sulfide absorbent has value as a horticultural or agricultural product or as a sulfur impregnated activated carbon. The process for producing this novel carbon absorption material is described. In an embodiment, the process described uses in particular, a humidified inert gas over a temperature range of between about 500° C. to 900° C. to convert anaerobic digestate to an active carbon absorbent. The thermal treatment is relatively mild and retains the fibrous structure of the source material while removing cellulosic and hemicellulosic components from the anaerobic digestate.11-07-2013
20130224820COMPOSITION - There is provided an anti-fouling composition comprising (i) a surface coating material; (ii) an enzyme obtained or obtainable from a marine organism; and (iii)(a) a substrate for the enzyme; and/or (b) a precursor enzyme and a precursor substrate, wherein the precursor enzyme and the precursor substrate are selected such that a substrate for the enzyme is generatable by action of the precursor enzyme on the precursor substrate; wherein the enzyme and the substrate are selected such that an anti-foulant compound is generatable by action of the enzyme on the substrate.08-29-2013
20110027850In situ precipitation of calcium carbonate (CaCO3) by indigenous microorganisms to improve mechanical properties of a geomaterial - A method for increasing the concentration of calcium carbonate in a geomaterial that contains indigenous microorganisms capable of hydrolyzing urea to ammonia, which method includes enriching the geomaterial with a source of nutrients, adding urea to the geomaterial which is hydrolyzed to ammonia and which raises the pH of the geomaterial, and adding a source of calcium ions to the geomaterial. Carbonate ions obtained by the hydrolysis of the urea combine with calcium ions to form calcium carbonate.02-03-2011
20080268513URANIUM ENRICHMENT USING MICROORGANISMS - The present invention provides methods for separating isotopes of actinide elements such as uranium using microorganisms, e.g., metal or sulfate reducing bacteria. The microorganisms reduce the actinide element to form a precipitate, which contains a greater proportion of the lighter isotope relative to the heavier isotope than the starting material. The precipitate may be collected, re-oxidized, and subjected to multiple rounds of enrichment. Alternately, separation processes not requiring formation of a precipitate may be used. The invention also features cell-free systems for isotope separation. The invention further provides compositions produced according10-30-2008
20110091955METHODS AND SYSTEMS FOR TREATING INDUSTRIAL WASTE GASES - Systems and methods for lowering levels of carbon dioxide and other atmospheric pollutants are provided. Economically viable systems and methods capable of removing vast quantities of carbon dioxide and other atmospheric pollutants from gaseous waste streams and sequestering them in storage stable forms are also discussed.04-21-2011
20110091954INTEGRATION OF ANAEROBIC DIGESTION IN AN ALGAE-BASED BIOFUEL SYSTEM - Systems and methods for the treatment of lipid-extracted algae biomass and recycling nutrients are provided. The lipid-extracted algae biomass is hydrolyzed prior to anaerobic digestion, and the products generated by anaerobic digestion are further processed to yield by-products that are of use either for external use or as process inputs to carry out specific steps within an integrated algal growth and anaerobic digestion process designed to minimize economic costs, required costly inputs while improving upon system capabilities.04-21-2011
20110104776PROCESSES FOR PRODUCING H2S USING SULPHUR-REDUCING BACTERIA - There is provided a process for producing H05-05-2011
20100248323Carbonic anhydrase bioreactor and process for CO2 containing gas effluent treatment - A triphasic bioreactor for physico-chemically treating a gas is disclosed. The triphasic bioreactor comprises a reaction chamber with a liquid and biocatalysts in suspension in the liquid, for catalyzing a reaction between the gas and the liquid to obtain a treated gas and a solution containing a reaction product. A gas bubbling means is provided in the reaction chamber for bubbling the gas to be treated into the liquid thereby dissolving the gas into the liquid and increasing a pressure inside the reaction chamber. The bioreactor further comprises a liquid inlet in fluid communication with the reaction chamber for receiving the liquid and filling the reaction chamber, a liquid outlet in fluid communication with the reaction chamber for releasing the solution and a gas outlet in fluid communication with the reaction chamber to release the treated gas. The bioreactor further comprises a retention device to retain the biocatalysts in the reaction chamber. The invention also concerns a process using the triphasic bioreactor. The triphasic bioreactor may advantageously be used for removing carbonic dioxide from a CO09-30-2010
20120220006HYDROGEN PRODUCTION FROM MICROBIAL STRAINS - The present invention is directed to a method of screening microbe strains capable of generating hydrogen. This method involves inoculating one or more microbes in a sample containing cell culture medium to form an inoculated culture medium. The inoculated culture medium is then incubated under hydrogen producing conditions. Once incubating causes the inoculated culture medium to produce hydrogen, microbes in the culture medium are identified as candidate microbe strains capable of generating hydrogen. Methods of producing hydrogen using one or more of the microbial strains identified as well as the hydrogen producing strains themselves are also disclosed.08-30-2012
20120264185Foam Microreactor for Multi-Phase Shear-Sensitive Reactions - The present invention relates to a method for controlling multi-phase chemical reactions using the architecture of surfactant foams to control mass transport of chemical reactants, catalysts, and products and the kinetics with which they react. More specifically, the invention relates to transformations that require both gaseous and liquid components with dissolved or suspended catalysts that are unstable when sheared.10-18-2012
20100203609PHOTOCATALYTIC HYDROGEN PRODUCTION AND POLYPEPTIDES CAPABLE OF SAME - An isolated polypeptide comprising a hydrogen generating enzyme attached to a heterologous ferredoxin is disclosed, as well as polynucleotides encoding same, nucleic acid constructs capable of expressing same and cells expressing same. A method for generating hydrogen using the isolated polypeptide is also disclosed.08-12-2010
20100021981Process and a plant for recycling carbon dioxide emissions from power plants into useful carbonated species - A process is disclosed for recycling carbon dioxide emissions from a fossil-fuel power plant into useful carbonated species The process primarily comprises the steps of: a) burning the fossil fuel, thereby generating heat and a hot exhaust gas containing CO01-28-2010
20100184180SYSTEM, METHOD, AND DEVICE FOR THE EXPRESSION OR REPRESSION OF PROTEINS - This invention relates to systems, methods, and devices for inducing and/or repressing the expression of proteins. More particularly, the invention relates to systems, methods, and devices for inducing and/or repressing the expression of proteins in plastids. An exemplary embodiment involves the regulation of the expression of proteins involved in hydrogen production to stimulate the production of hydrogen gas using the methods, systems, and devices described herein.07-22-2010
20130011897PROCESS FOR TREATING CARBON DIOXIDE CONTAINING GAS - A process is disclosed for recycling carbon dioxide emissions from a fossil-fuel power plant into useful carbonated species The process primarily comprises the steps of: a) burning the fossil fuel, thereby generating heat and a hot exhaust gas containing CO01-10-2013
20080227167PROCESS FOR IMMOBILIZED NANO-SIZED METAL PARTICLES - The present invention provides a new process using biological method for the preparation of immobilized nano-particles of metals. Fungi are used to efficiently prepare immobilized nano-particles of various metals ions such as Au, Ag, Pd, Pt, Ni, Rh and Ru from their aqueous solutions.09-18-2008
20100233777Systems and Methods for Achieving Partial Nitrification in a Biological Nitrogen Removal Reactor - Methods of controlling a nitrification reaction in a biological nitrogen removal reactor to favor partial nitrification of ammonia to nitrite instead of complete oxidation of ammonia to nitrate are disclosed. In some embodiments, the methods include the following: maintaining a pH in the reactor within a range that promotes growth of ammonia oxidizing bacteria; maintaining a concentration of dissolved oxygen in the reactor within a range that limits the ammonia oxidizing bacteria from completing nitrification; selecting an operational solids retention time within a range suitable for maintaining increasing concentrations of the ammonia oxidizing bacteria in the reactor while reducing concentrations of nitrite oxidizing bacteria in the reactor; and increasing a concentration of free ammonia in the reactor thereby inhibiting growth of the nitrite oxidizing bacteria in the reactor.09-16-2010
20100233776NOVEL HYDROGEN-PRODUCING BACTERIUM - The present invention aims to provide a hydrogen-producing bacterium, which excels in hydrogen yield and hydrogen production rate, and is usable for industrial hydrogen production from biomass as a production source. That is, it is intended to provide a bacterium belonging to the genus 09-16-2010
20080213851Enzymatic Method for Producing Bioactive, OsteoblastStimulating Surfaces and Use Thereof - The invention relates to a method for producing bioactive surfaces by enzymatic modification of molecules or molecular aggregates, in particular, collagen, on surfaces of glass, metals, metallic oxides, plastics, biopolymers or other materials with an amorphous silicon dioxide (silica) or silicones in the cell culture, by tissue engineering or in medical implants, whereby a polypeptide is used for enzymatic modification, which contains a silicatein α or silicatein β domain. The inventive method promotes the growth, activity and/or mineralization of cells/cell cultures.09-04-2008
20130137153METHOD AND APPARATUS FOR ANAEROBICALLY DIGESTING ORGANIC MATERIAL - A method and system for hydrogen production from organic material such as waste. The system includes a bioreactor for continuous anerobic fermentation to produce hydrogen in which a mixture containing a microorganism and organic material is sonicated. The system optionally includes a biomethanator connected in-line with the bioreactor.05-30-2013
20130171711PROCESS FOR OBTAINING DINITROGEN MONOXIDE (N20) - In a method for obtaining dinitrogen monoxide by microbiological or enzymatic processes from nitrogen-containing substances, the microorganisms, bacteria, archaea, eukaryotes, fungi, parasites, phages, cells, cell fractions or membrane fractions, and/or enzymes, and/or a combination thereof to be used in this context are selected, or manipulated or partly or entirely reversibly and/or irreversibly inhibited by suitable actions, or the corresponding microbiological or enzymatic processes are controlled, for example, by way of suitable process conditions, so that, in part or entirely, dinitrogen monoxide (N07-04-2013
20130095546DIGESTER SYSTEM - A manure mixture within an anaerobic digestion tank stratifies to form a liquid effluent layer and a sludge layer. Liquid effluent from the liquid effluent layer is withdrawn from the tank through a height adjustable valve. The height adjustable valve is adapted to automatically adjust the position of its intake end within the liquid effluent layer in response to the level of the sludge layer detected by a sludge meter located within the tank. Liquid effluent withdrawn from the tank is passed through a heat exchange system including at least one heat exchanger. Heat from the heat exchanger is transferred to the liquid effluent to produce heated liquid effluent. The heated liquid effluent is reintroduced back into the digestion tank such that the temperature of the manure mixture within the tank is maintained within a suitable temperature range for anaerobic digestion of the manure mixture. Additionally, the heated liquid effluent is sprayed in an upwards direction so as to effect mixing of the manure mixture within the tank.04-18-2013
20080199928Producing Hydrogen By Heterologous Expression Of A Type II Nad (P)H Deshydrogenase In Chlamydomonas - The invention concerns the use of a type II NAD(P)H dehydrogenase (NDH-II), or of a polynucleotide encoding said NDH-II, to increase the capacity of a green algae to produce hydrogen. Said polynucleotide is in particular useful for transforming said green algae, so as to improve its hydrogen production.08-21-2008
20130137154Systems and Methods for Developing Terrestrial and Algal Biomass Feedstocks and Bio-Refining the Same - Methods and systems for developing and bio-refining or processing biomass feedstocks into a spectrum of bio-based products which can be used as a substitute for fossil oil derivatives in various types of product manufacturing processes and/or the production of bio-energy are disclosed. In addition, methods and systems for identifying, measuring and controlling key parameters in relation to specific biomass developing processes and bio-refining processes so as to maximize the efficiency and efficacy of such processes while standardizing the underlying parameters to facilitate and enhance large-scale production of bio-based products and/or bio-energy are disclosed.05-30-2013
20130149767PROCESS FOR THE CONVERSION OF CARBON-BASED MATERIAL BY A HYBRID ROUTE COMBINING DIRECT LIQUEFACTION AND INDIRECT LIQUEFACTION IN THE PRESENCE OF HYDROGEN RESULTING FROM NON-FOSSIL RESOURCES - A process for the conversion of carbon-based material to fuel bases by a hybrid route combining direct ebullent bed liquefaction and indirect liquefaction by gasification followed by a Fischer-Tropsch synthesis, including a stage of production of hydrogen resulting from non-fossil resources and a reverse water gas reaction stage. This process makes it possible to limit emissions of greenhouse gases.06-13-2013
20090221052Photosynthetic hydrogen production - A process for the production of hydrogen, comprising the steps of: (i) providing a photosynthetic microorganism having electron transfer capability through a photosynthetic “light” reaction pathway and through a respiratory electron transfer chain involving an oxidative phosphorylation pathway, and which expresses a hydrogenase, wherein regulation of the oxidative phosphorylation pathway is disrupted with the result that electron flow along the respiratory electron transfer chain toward cytochrome oxidase (complex IV) is reduced; ii) culturing the microorganism under microoxic and illuminated conditions; and (iii) collecting evolved hydrogen.09-03-2009
20100311142Novel Hydrogenases Isolated from Thermococcus SPP., Genes Encoding the Same, and Methods for Producing Hydrogen Using Microorganisms Having the Genes - The present invention relates to novel hydrogenases isolated from novel hyperthermophilic strains belonging to 12-09-2010
20120021480Use of Enzymes Having Silicase Activity - The present invention relates to the use of polypeptides having silicase activity for the modification or synthesis of silica, silicones and other silicium (IV) compounds. The present invention also relates to the use of polypeptides having silicase activity for the modification of glass, sand, asbestos, computer chips, glass wool, fiber glass, optical fibers and silicones, for the removal of sand from oil-sands, for the removal of asbestos, and for sandblasting.01-26-2012
20120021479Systems of Hydrogen Production in Bacteria - This invention relates to engineered bacterial systems such as engineered cyanobacterial systems and to methods of using these bacterial systems to generate hydrogen.01-26-2012
20120028326METHOD OF CARBON SEQUESTRATION - The present invention relates to methods and apparatus for robust and long-term sequestration of carbon. In particular, the present invention relates to sequestration of carbon as carbonates, using coccolithophorid algae grown using land-based aquaculture. The invention also relates to improved methods of Ocean Thermal Energy Conversion (OTCE).02-02-2012
20130196403PROCESS AND SYSTEM FOR RECOVERING PHOSPHORUS FROM WASTEWATER - Methods and systems for recovery of phosphorus from wastewater and producing inorganic phosphorus complexes.08-01-2013
20100190227PHOTOREACTOR - The invention relates to photoreactors (07-29-2010
20130316427Foam Microreactor for Multi-Phase Shear-Sensitive Reactions - The present invention relates to a method for controlling multi-phase chemical reactions using the architecture of surfactant foams to control mass transport of chemical reactants, catalysts, and products and the kinetics with which they react. More specifically, the invention relates to transformations that require both gaseous and liquid components with dissolved or suspended catalysts that are unstable when sheared.11-28-2013
20120077242Efficient Cell-Free Hydrogen Production - Cell-free synthesis of hydrogen from glucose and cellulosic hydrolysates is provided. Bacterial cells are modified to express high levels of (i) active [FeFe] hydrogenase; (ii) ferredoxin; and (iii) ferredoxin-NADP-reductase (FNR). The cells are then lysed and the lysate is combined with substrate during a production phase, where H03-29-2012
20130273628Hydrogenase Fusion Protein for Improved Hydrogen Production - Compositions of a fusion protein comprising a spatially tethered ferredoxin-NADP-reductase (FNR) and an active [FeFe] hydrogenase, genetic sequences encoding such fusion proteins, and methods of use thereof are provided. The fusion proteins of the invention link an FNR polypeptide to an active [FeFe] hydrogenase through a polypeptide linker. The fusion protein facilitates improved electron transfer through a ferredoxin, and allows direct electron transfer from NADPH to the hydrogenase.10-17-2013

Patent applications in class Preparing element or inorganic compound except carbon dioxide