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 |
20090247737 | METHOD FOR THE PRODUCTION OF SUCRALOSE - The present invention provides a method for producing sucralose from a feed stream including a sucrose-6-acylate in a reaction vehicle. The method includes:
| 10-01-2009 |
20090247792 | Process for Purification of Glycerol - A process for the recovery of glycerol comprises contacting an aqueous feed composition that comprises water, glycerol, and at least one contaminant with a solvent extractant comprising at least one C5-C8 alkanol, optionally in admixture with at least one alkane, to form a first mixture, and separating the first mixture into a first solvent phase and a first aqueous phase. The first solvent phase comprises a majority (more than 50 wt %) of the solvent extractant and a majority of the glycerol that was present in the aqueous feed composition. The weight ratio in the first solvent phase of glycerol to a contaminant present is greater than the weight ratio of glycerol to the contaminant in the aqueous feed composition. The first aqueous phase comprises a majority of the water from the aqueous feed composition and at least some of the contaminant from the aqueous feed composition. | 10-01-2009 |
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 |
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 |
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 |
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 |