Patent application number | Description | Published |
20090299055 | Purification of Sucralose Containing Feed Streams for Sucralose Crystallization - A process for the recovery of a carbohydrate selected from sucralose and sucralose-6-esters from an aqueous feed stream is disclosed. The process comprises extracting the feed stream with an organic solvent, such as ethyl acetate, back extracting the resulting carbohydrate-containing organic extract with an aqueous solvent, and either crystallizing the carbohydrate from the organic solvent or replacing the organic solvent with water and crystallizing the carbohydrate from water. The process results in an increased overall yield of the carbohydrate. | 12-03-2009 |
20100264372 | Method of Concentrating Hydrochloric Acid - A method for producing concentrated HCl vapor from an aqueous solution of HCl, including: (a) introducing an aqueous feed liquor to an evaporation chamber containing a mother liquor, the feed liquor having an initial, super-azeotropic HCl concentration; (b) directly contacting a liquor of these liquors with a heat-laden heat transfer fluid, to transfer heat from the fluid; (c) utilizing the heat to evaporate HCl, within the chamber, to produce the concentrated HCl vapor and to produce the mother liquor, the mother liquor including an aqueous phase having a reduced concentration of HCl, with respect to the initial HCl concentration; (d) subjecting the mother liquor to a liquid-liquid separation to produce a liquid phase containing HCl, and another liquid phase containing the heat transfer fluid in a heat-depleted state, with respect to the heat transfer fluid in step (b); (e) heating the heat transfer fluid in the heat-depleted state, to regenerate the heat-laden heat transfer fluid, and (f) returning this heat transfer fluid to step (b). | 10-21-2010 |
20120157676 | Process for removing dimethylamine - A process for removing dimethylamine (DMA) before and/or during and/or after deacylation in a reaction vessel of a feed stream comprising a sucralose-6-acylate resulting from the chlorination of a sucrose-6-acylate in the presence of dimethyl formamide (DMF), wherein the deacylation is conducted at a first set of conditions of temperature, pH and pressure, the process comprising: (a) providing a side stream loop from and to the reaction vessel; (b) adjusting the conditions of one or more of temperature, pH, and pressure in the loop, and setting the flow rate through the loop, to remove DMA while minimising carbohydrate degradation. | 06-21-2012 |
20120167874 | Methods and Systems for Solvent Purification - A method including: (a) contacting lime with an extract including an S1 solvent carrying a contaminant load to form a lime treated extract; and (b) reducing the contaminant load by removing solids. | 07-05-2012 |
Patent application number | Description | Published |
20080276931 | Sucrose Inversion Process - We disclose a method of inverting sucrose, including (i) determining an initial solids concentration of an aqueous sucrose solution (solids | 11-13-2008 |
20080308505 | System and Process for Removal of Phosphorous and Ammonia from Aqueous Streams - We disclose a process for the removal of phosphorous and ammonia from an aqueous stream by contacting the aqueous stream with magnesium and base in a first zone having a first pH, to form an (n−1)th mixed stream and a first portion of struvite; separating the (n−1)th mixed stream from the first portion of struvite; removing at least some struvite from the first portion of struvite; contacting the (n−1)th mixed stream with base in an nth zone, wherein n is an integer incrementing from 2 to n | 12-18-2008 |
20090044737 | Process for Efficient Energy Recovery from Biomass - A method for extracting energy from biomass depleted of at least some carbohydrate, at least some oil, or both by a) introducing the biomass into a vertically elongated combustion chamber having i) at least one suspension burner at the top of the combustion chamber which is capable of projecting a flame down the axis of the combustion chamber, ii) a heat transfer apparatus having at least a portion of a heat collection surface located radially from the flame and below the burner, and iii) an exhaust opening located below the flame and below at least a portion of the heat collection surface; b) combusting the biomass to yield a mixture containing hot flue gas and molten ash above the exhaust opening; c) transferring heat from the hot flue gas to at least a portion of the heat collection surface substantially by radiation prior to any substantial contact of ash to a surface of the combustion chamber, to yield a mixture containing warm flue gas and non-molten ash and having a lower molten ash content than the mixture yielded by the combusting step; and d) cooling the warm flue gas with cold gas, to yield a mixture containing cool flue gas and non-molten ash and having a lower molten ash content than the mixture yielded by the transferring step. | 02-19-2009 |
20090095286 | Cereal Refining Process - A process including steeping cereal kernels in an aqueous liquid, producing softened cereal; milling the softened cereal, producing a milled cereal comprising germ, protein, starch, and fiber; separating at least some of at least one material selected from the group consisting of germ, starch, and protein from the milled cereal, producing at least one of germ, starch, and a first protein portion, and also producing a first fiber portion that comprises fiber and starch, and a light steep water that comprises protein; separating at least some protein from the light steep water, producing a second protein portion and a process water that comprises protein; converting at least some of the starch in the first fiber portion to saccharides; separating at least some of the saccharides from the first fiber portion, producing saccharides and a second fiber portion that comprises fiber; and burning at least some of the fiber from the second fiber portion, producing a flue gas and a first quantity of energy; wherein the process further comprises at least one step selected from the group consisting of least partially powering at least one previous step with the first quantity of energy; and drying at least one separated material selected from the group consisting of the germ, the starch, the first protein portion, the second protein portion, and the saccharides with the flue gas, producing a dried separated material and a dryer exhaust. In one further embodiment, the process further includes digesting anaerobically the biologically available organic residues from the process water, producing a biogas and a final waste water. In a still further embodiment, the process further includes burning the biogas to produce a second quantity of energy and at least partially powering at least one previous step with the second quantity of energy. | 04-16-2009 |
20090238918 | Corn Wet Milling Process - A corn wet-milling process comprises steeping corn kernels in an aqueous liquid, which produces softened corn; milling the softened corn in a first mill, which produces a first milled corn; separating germ from the first milled corn, thereby producing a germ-depleted first milled corn; milling the germ-depleted first milled corn in a second mill, producing a second milled corn; separating the second milled corn into a first starch/protein portion that comprises starch and protein and a first fiber portion that comprises fiber, starch, and protein; milling the first fiber portion in a third mill, which produces a milled fiber material that comprises fiber, starch, and protein; separating at least some of the starch and protein in the milled fiber material from the fiber therein, producing a second fiber portion that comprises fiber and starch and a second starch/protein portion that comprises starch and protein; and contacting the second fiber portion with at least one enzyme to convert at least some of the starch therein to dextrose. The converted material is screened using one or more screens to separate the fiber from the liquor. The liquor can be fermented to ethanol, or refined to dextrose. The fiber can be pressed and dried as an animal feed. | 09-24-2009 |
20090258106 | Corn Wet Milling Process - A corn wet-milling process comprises steeping corn kernels in an aqueous liquid, which produces softened corn; milling the softened corn in a first mill, which produces a first milled corn; separating germ from the first milled corn, thereby producing a germ-depleted first milled corn; milling the germ-depleted first milled corn in a second mill, producing a second milled corn; separating the second milled corn into a first starch/protein portion that comprises starch and protein and a first fiber portion that comprises fiber, starch, and protein; milling the first fiber portion in a third mill, which produces a milled fiber material that comprises fiber, starch, and protein; separating at least some of the starch and protein in the milled fiber material from the fiber therein, producing a second fiber portion that comprises fiber and starch and a second starch/protein portion that comprises starch and protein; and contacting the second fiber portion with at least one enzyme to convert at least some of the starch therein to dextrose. The converted material is screened using one or more screens to separate the fiber from the liquor. The liquor can be fermented to ethanol, or refined to dextrose. The fiber can be pressed and dried as an animal feed. | 10-15-2009 |
20100240915 | Pre-Treatment of Crude Alcohol or Furan Feed to a Vapor Permeation Apparatus - We disclose a method of extracting an alcohol or furan from a predominantly liquid stream comprising the alcohol or furan, comprising removing cations from the predominantly liquid stream comprising the alcohol or furan, using a cation-exchange resin; removing anions from the predominantly liquid stream comprising the alcohol or furan, using an anion-exchange resin; and recovering alcohol or furan from the predominantly liquid stream comprising the alcohol or furan, using either a vapor permeation membrane, a perevaporation process, or both. | 09-23-2010 |
20120138048 | SUCROSE INVERSION PROCESS - A method of inverting sucrose, including (i) determining an initial solids concentration of an aqueous sucrose solution, an initial bed volume of a sucrose inversion resin system, a minimum target inversion percentage, a maximum target inversion percentage, a target maximum hydroxymethylfuran (HMF) concentration, a minimum target pH, or a maximum target pH; (ii) contacting the sucrose inversion resin system with the aqueous sucrose solution under conditions of aqueous solution flow rate and aqueous solution temperature to produce an inverted sucrose solution having an inversion percentage, an HMF concentration, and a pH; (iii) observing an instantaneous inversion percentage, an instantaneous HMF concentration, or an instantaneous pH of the inverted sucrose solution; and, if appropriate; (iv) changing at least one of the aqueous solution flow rate or the aqueous solution temperature to yield a product having a desired inversion percentage, HMF concentration, and/or pH. An apparatus capable of performing the method. | 06-07-2012 |
Patent application number | Description | Published |
20090031934 | Biomass Energy Recovery Apparatus - An apparatus for extracting energy from fiber introduced as a fuel into a vertically elongated combustion chamber having a suspension burner capable of projecting a flame down the axis of the combustion chamber with a heat collection surface located radially from the flame and below the burner, and an exhaust opening located below the flame and below at least a portion of the heat collection surface, in which the combusted fiber yields a mixture containing hot flue gas and molten ash above the exhaust opening and heat transfers therefrom to the heat collection surface prior to any substantial contact of ash to a surface of the combustion chamber, to yield a mixture containing warm flue gas and non-molten ash, that is thereafter cooled to yield a mixture containing cool flue gas and non-molten ash. | 02-05-2009 |
20090264633 | METHOD FOR THE PRODUCTION OF SUCRALOSE - The present invention provides a method for producing sucralose from a feed stream resulting from the chlorination of a sucrose-6-acylate in a reaction vehicle. The feed stream includes a sucralose-6-acylate, the reaction vehicle, water, and salts. The salts include one or more selected from the group consisting of alkali metal chlorides, alkaline earth metal chlorides and ammonium chloride. The method includes:
| 10-22-2009 |
20090299054 | SUCRALOSE PURIFICATION PROCESS - A process for the extraction of sucralose from an aqueous solution containing at least sucralose, other chlorinated saccharides, sodium chloride and dimethylammonium chloride into an organic solvent for sucralose by contacting said organic solvent with said solution to extract sucralose into the organic solvent. The ratio of sodium chloride to dimethylammonium chloride in the aqueous solution is increased prior to or during contact so as to increase the partition coefficient of sucralose into said organic solvent. | 12-03-2009 |
Patent application number | Description | Published |
20120058526 | Methods and Systems for Processing Sugar Mixtures and Resultant Compositions - A method including: (a) selectively reacting a first sugar in a mixture which includes at least one second sugar to form a product mixture comprising a product of said first sugar; (b) separating said product of said first sugar from said product mixture; and (c) separating at least one of said at least one second sugar from said product mixture. | 03-08-2012 |
20120116063 | METHODS AND SYSTEMS FOR PROCESSING LIGNOCELLULOSIC MATERIALS AND RELATED COMPOSITIONS - A method comprising: (a) providing a lignocellulosic substrate; (b) contacting said lignocellulosic substrate with an extractant comprising a water-soluble organic solvent to form an extracted substrate and a miscella; (c) removing miscella from said extracted substrate; and (d) hydrolyzing said extracted substrate using a chemically catalyzed process. | 05-10-2012 |
20120279497 | VISCOUS CARBOHYDRATE COMPOSITIONS AND METHODS FOR THE PRODUCTION THEREOF - A viscous fluid comprising 2% wt to 25% wt water, at least 75% wt carbohydrate (calculated by 100×[carbohydrate/(carbohydrate weight+water weight)]), between 0% wt and 25% wt of a second organic solvent and between 10% wt and 55% wt HCl (calculated by 100×[HCl weight/HCl weight+water weight]), which second organic solvent is characterized by at least one of: (a2) having a polarity related component of Hoy's cohesion parameter between 0 and 15 MPa | 11-08-2012 |
20140171379 | LIGNIN COMPOSITIONS, METHODS OF PRODUCING THE COMPOSITIONS, METHODS OF USING LIGNIN COMPOSITIONS, AND PRODUCTS PRODUCED THEREBY - Lignin compositions, lignin particles, products containing them, viscous paste containing lignin, lignin formulations, spinning methods, fibers, products produced from the fibers, methods to produce processed products from lignin, methods to produce downstream products, manufacturing processes and related products are described. | 06-19-2014 |
20140175331 | Methods and Systems for Processing Sugar Mixtures and Resultant Compositions - A method including: (a) selectively reacting a first sugar in a mixture which includes at least one second sugar to form a product mixture comprising a product of said first sugar; (b) separating said product of said first sugar from said product mixture; and (c) separating at least one of said at least one second sugar from said product mixture. | 06-26-2014 |
20140190470 | METHODS AND SYSTEMS FOR PROCESSING A SUCROSE CROP AND SUGAR MIXTURES - A method comprising: (a) providing a partially processed sucrose crop product containing at least 2% optionally at least 5% of the sucrose content of said crop at harvest on a dry solids basis, cellulose and lignin; (b) hydrolyzing said partially processed crop product with HCl to produce an acid hydrolyzate stream and a lignin stream; and (c) de-acidifying said hydrolyzate stream to produce a de-acidified sugar solution and an HCl recovery stream. Additional, methods, systems and sugar mixtures are also disclosed. | 07-10-2014 |
20140202452 | SYSTEMS AND METHODS FOR SUGAR REFINING - A method comprising: (a) extracting a sugar mixture in an aqueous solution of at least 30% HCL/[HCl+water] by weight with an extractant including an S1 solvent; (b) increasing a monomeric sugar to oligomeric sugar ratio in the mixture to produce a monomeric sugar enriched mixture comprising at least 65% monomeric sugars by weight relative to total sugars; and (c) separating an S1/HCl liquid phase comprising more than 30% HCl/[HCl+water] from said sugar mixture. | 07-24-2014 |
20140242867 | LIGNIN COMPOSITIONS, METHODS OF PRODUCING THE COMPOSITIONS, METHODS OF USING LIGNIN COMPOSITIONS, AND PRODUCTS PRODUCED THEREBY - Lignin compositions, products produced from them or containing them, methods to produce them, spinning methods, methods to convert lignin to a conversion product and conversion products produced by the methods are described. | 08-28-2014 |
20150020797 | SUGAR COMPOSITIONS - A sugar composition comprising at least 40% dissolved solids in an aqueous solution having a viscosity at least 10% lower than a 42 DE (Dextrose Equivalents) reference solution with a same dissolved solids concentration at a given temperature. Another sugar composition comprising at least 30% glucose relative to total sugars, at least 10% mannose relative to total sugars, at least 5% xylose relative to total sugars, and less than 0.25% ash. Another sugar composition comprising at least 30% glucose relative to total sugars at least 10% mannose relative to total sugars, at least 5% xylose relative to total sugars, and at least 2% total furfurals. | 01-22-2015 |
20150048274 | SUGAR COMPOSITIONS - A sugar composition comprising at least 40% dissolved solids in an aqueous solution having a viscosity at least 10% lower than a 42 DE (Dextrose Equivalents) reference solution with a same dissolved solids concentration at a given temperature. Another sugar composition comprising at least 30% glucose relative to total sugars, at least 10% mannose relative to total sugars, at least 5% xylose relative to total sugars, and less than 0.25% ash. Another sugar composition comprising at least 30% glucose relative to total sugars at least 10% mannose relative to total sugars, at least 5% xylose relative to total sugars, and at least 2% total furfurals. | 02-19-2015 |
Patent application number | Description | Published |
20130253226 | PROCESS FOR PREPARING 3-AMINOMETHYL-3,5,5-TRIMETHYLCYCLOHEXYLAMINE - The invention relates to an improved process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine, referred to hereinafter as isophoronediamine or, in abbreviated form, IPDA, by: I. preparation of isophorone by catalyzed aldol condensations with acetone as reactant; II. reaction of isophorone with HCN to form isophoronenitrile (IPN, 3-cyano-3,5,5-trimethylcyclohexanone); III. catalytic hydrogenation and/or catalytic reductive amination (also referred to as aminative hydrogenation) of 3-cyano-3,5,5-trimethylcyclohexanone, hereinafter called isophoronenitrile or, in abbreviated form, IPN, to give the isophoronediamine. | 09-26-2013 |
20130261343 | METHOD FOR PRODUCING ISOPHORONE - The invention relates to a method for producing isophorone by catalyzed aldol condensation of acetone as an educt, reprocessing the reaction product, hydrolyzing the product stream, and separating into an organic and an aqueous fraction, obtaining isophorone from the organic fraction, distillatively reprocessing the aqueous fraction, and feeding the vapors from the head of the distillative reprocessing apparatus into the hydrolysis apparatus. | 10-03-2013 |
20140107379 | PROCESS FOR PREPARING ISOPHORONE IN THE PRESENCE OF AT LEAST ONE DEFOAMER IN THE WASTEWATER COLUMN IN THE WORKUP SECTION - The invention relates to a process for preparing isophorone (3,5,5-trimethyl-2-cyclohexen-1-one) in the presence of at least one defoamer in the wastewater column in the workup section. | 04-17-2014 |
20150045585 | HYDROLYSIS OF THE RESIDUES OBTAINED IN THE PRODUCTION OF ISOPHORONE TO RECOVER ISOPHORONE AND ACETONE - A process for preparing isophorone (3,5,5-trimethyl-2-cyclohexen-1-one) is provided wherein distillation vapors from the work-up of product fractions are recycled to earlier stages of operation of the process. | 02-12-2015 |