Matches 201 - 250 out of 327 < 1 2 3 4 5 6 7 >
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4764464 Semisynthetic enzymes: apoproteins from heme proteins as hydrolases  
Proteins having a hydrophobic cavity proximate to which is a residue promoting hydrolysis of functional moieties are effective semisynthetic hydrolases. Heme proteins from which the heme has been...
4746610 Efficient use of thermal energy from an internal combustion engine in ethanol production  
An ethanol-producing plant and a method is provided for producing ethanol from sugars, starches, or cellulose. Some ethanol-producing plants consume more thermal energy than they produce. The...
4744868 Distillation column and method  
A stripping column is comprised of one or more mixing channels situated in parallel arrangement, each channel in the form of a zigzag strip through which liquid cascades in a series of falls...
4715932 Method to separate polar organic compounds, in particular aliphatic alcohols, from fermentation fluids  
This invention relates to a method for separating organic compounds, particularly lower aliphatic alcohols from fermentation fluids. This is accomplished by the use of a two-step extraction process...
4703007 Separation of volatiles from aqueous solutions by gas stripping  
Process and apparatus for the recovery of low concentrations of volatile components from a liquid by use of a stripping gas is disclosed. The system is particularly suited for recovery of low...
4701414 Method for producing ethanol from xylose-containing substance  
A method for fermenting xylose-containing substance, such as a lignocellulosic degradation product into ethanol. Yeast of the species Pichia stipitis and/or Pichia segobiensis and/or Candida...
4698224 Production of alcoholic beverages  
Disclosed is a modification of production of alcoholic beverages such as beer or wine by subjecting to fermentation by means of a faculative anaerobic microorganism such as a yeast a substrate...
4692218 Process for producing ethanol  
Method and apparatus are provided for simultaneously producing various forms of alcohol, including ethanol, which can likewise be withdrawn from the apparatus simultaneously. To this end,...
4690903 Process for preparing organic fuels and chemicals from biomass  
An ethanol fermentation process in which an aqueous solution of fermentable sugar is converted by an ethanol-producing microorganism such as a yeast to a dilute aqueous solution of ethanol with the...
4680263 Continuous alcohol manufacturing process using immobilized microorganism  
A feed liquid (sugar-containing liquid) is continuously fed to a fermenter packed with an immobilized microorganism, which is obtained by immobilizing an alcohol producing microorganism on a...
4663284 Process for enhanced fermentation of xylose to ethanol  
Ethanol is produced from D-xylose by fermentation with any of the known xylose-metabolizing yeasts, such as Pachysolen tannophilus. To improve the yield of ethanol, small quantities of glucose are...
4659662 Batch fermentation process  
Ethanol and fermented beverages such as beer or wine are produced in a batch process by contacting a fermentable substrate with yeast cells encapsulated within a porous, semi-permeable material....
4652526 Ethanol-producing mutants of Clostridium thermosaccharolyticum  
Several mutant Clostridium thermosaccharolyticum strains, ATCC No. 31907, 31908 and 31909, which are elongated and non-dividing produce ethanol.
4652451 Controlling alcohol fermentations  
In the initial stages of a fermentation of carbohydrate to form alcohol, the growth of the yeast is controlled by monitoring the pH value of a fermenting liquid or wort and controlling the supply...
4650689 Process for ethanol production from cellulosic materials  
A method for producing a fermentable wort useful to produce ethanol from cellulosic materials is particularly adaptable for batch-wise processing. The broad method includes the steps of placing the...
4631258 Irradiation alcohol fermentation process  
An alcohol fermentation process which eliminates the heat gelatinization process is disclosed. Corn is irradiated with about 10 5 to 10 7 rads of gamma radiation to effect sugar yield,...
4617270 Alcohol and distillers grain recovery process  
A process for producing alcohol and dried distillers grain from a source material containing starch or sugar by cooking, by saccharification, fermentation, evaporation, distillation, and wherein...
4612286 Acid hydrolysis of biomass for alcohol production  
A method of treating biomass having fermentable material is provided utilizing acid hydrolysis in a countercurrent diffusion treatment structure. By practicing the invention acid usage is...
4607011 Accumulation and isolation of N-acylphosphatidylserine  
A phospholipid mixture, rich in N-acylphosphatidylserine (NAPS), is produced by growth of certain bacterial cultures in media containing effective amounts of tris (hydroxymethyl) aminomethane. NAPS...
4605620 Process for fermenting carbohydrate- and phosphate-containing liquid media  
The invention relates to a process for fermenting carbohydrate- and phosphate-containing liquid media with limitation of phosphate with bacteria capable of forming butanol, acetone and/or ethanol...
4600477 Method of processing fermented liquid  
A method of processing fermented liquid comprising (a) feeding said fermented liquid into a vacuum vaporizer, (b) heating the feed in said vaporizer to separate it into a vapor and a concentrated...
4594466 Recovery of alcohols  
A process for the separation of weak organic acids such as ethanol or methanol from dilute aqueous solutions thereof. The process comprises dissolving in the solution an amount of at least 26...
4579663 Apparatus and method for optimizing separation of an unknown sample by liquid chromatography  
An apparatus and method are disclosed to optimize resolution of unknown samples by liquid chromatography. A plurality of resolution experiments are performed where the solvents in the liquid...
4578353 Fermentation of glucose with recycle of non-fermented components  
A process is described for producing a fermentation product such as ethanol, in which a feedstock is formed consisting of a slurry of starch and acid combined with a recycle stream of non-fermented...
4568644 Fermentation method producing ethanol  
Ethanol is the major end product of an anaerobic, thermophilic fermentation process using a mutant strain of bacterium Clostridium thermosaccharolyticum. This organism is capable of converting...
4567145 Continuous production of ethanol by use of respiration deficient mutant yeast  
This invention provides a process for producing ethanol from a D-sugar in a continuous aerobic environment using a flocculant respiration-deficient mutant of Saccharomyces uvarum in a single stage...
4560659 Ethanol production from fermentation of sugar cane  
A process for fermentation of sucrose wherein sucrose is extracted from sugar cane, and subjected to stoichiometric conversion into ethanol by yeast.
4559109 Dehydration of alcohol with extractive distillation  
A process for producing anhydrous ethanol from an ethanol-water mixture feedstock comprising subjecting the feedstock to distillation in a first distillation zone to produce an overhead vapor of...
4556460 Dehydration of ethanol  
A process and apparatus for dewatering an ethanol-water solution is disclosed wherein a carrier gas is used to vaporize the solution and transport the vapors to a sorbent where water is sorbed in...
4546081 Continuous alcohol fermentation process using immobilized yeast  
Continuous fermentation with yeast to produce alcohol is carried out by continuously passing a carbohydrate-containing substrate liquid through a vessel packed with a thin film means having yeast...
4544558 Process for preparing carbohydrates from vegetal juice  
A process for producing carbohydrates from vegetal juice comprises extracting a vegetal juice from raw vegetal material, filtering the vegetal juice to remove material suspended therein, subjecting...
4524137 Preparation of catalysts for biochemical conversion reactions  
A catalyst is disclosed, which can be used for carrying out, in a continuous manner simultaneously and in one and the same reaction space, two or more stages of a biochemical conversion reaction...
4522920 Production of ethanol  
A flow of fermenting liquor from a fermentor is separated into a yeast concentrate flow, which is recirculated to the fermentor, and a yeast-free flow which is separated in a simple evaporator unit...
4520105 Process for production of sugars and optionally cellulose and lignin from lignocellulosic raw materials  
A process for the production of sugars, and optionally cellulose and lignin, from lignocellulosic vegetable materials which comprises subjecting the vegetable materials to a chemical pretreatment...
4518693 Immobilized biocatalysts  
Biocatalysts such as microbial cells are immobilized by forming spherical gel beads containing the microbial cells from a hydrogel such as agar or carrageenan, incubating the beads for a time...
4517298 Process for producing fuel grade ethanol by continuous fermentation, solvent extraction and alcohol separation  
Alcohol substantially free of water is prepared by continuously fermenting a fermentable biomass feedstock in a fermentation unit, thereby forming an aqueous fermentation liquor containing alcohol...
4515892 Fermentation process  
In an ethanol fermentation process in which an aqueous solution of fermentable sugar is converted by an ethanol-producing microorganism such as a yeast to a dilute aqueous solution of ethanol with...
4514496 Process for producing alcohol by fermentation without cooking  
Alcohol is produced in a noncooking system by mixing a ground starchy material with mashing liquor at the range that the weight ratio of mashing liquor to ground starchy material is from 1.8 to 3.4...
4511656 Direct fermentation of D-xylose to ethanol by a xylose-fermenting yeast mutant  
A process for obtaining ethanol directly from D-xylose through fermentation of D-xylose by xylose-fermenting yeast mutants. The process provides for obtaining ethanol from hemicellulose...
4511437 Process for the continuous rectification of alcoholic fermates  
A process for continuous rectification of a liquid mixture containing alcohols, particularly a liquid fermate, employs a plurality of distillation columns to which the liquid mixture is fed in...
4510242 Process for producing fuel grade alcohol by solvent extraction and carrier gas stripping  
Alcohol substantially free of water is prepared by fermenting a fermentable biomass feedstock in a fermentation unit, thereby forming an aqueous fermentation liquor containing alcohol; extracting...
4508929 Recovery of alcohol from a fermentation source by separation rather than distillation  
Ethanol is recovered from fermentation products by a countercurrent extraction process which employs diethyl ether as the extraction solvent to form a diethyl ether-ethanol mixture. The ethanol is...
4492808 Method for separating ethanol from an ethanol containing solution  
A process is disclosed for the separation of ethanol from an ethanol containing water solution, wherein the ethanol containing solution is extracted by means of a solvent which is in the liquid or...
4490469 Production of ethanol by fermentation  
The production of ethanol, particularly ethanol used as a fuel, optionally in conjunction with gasoline (petrol) may be produced from carbohydrate containing material, such as starch-containing...
4490468 Production of ethanol by yeast using xylulose  
Ethanol is produced by the fermentation of xylulose using yeast under fermentative conditions.
4487785 Continuous process for the fermentation of must to produce wine or ethanol  
A continuous process for the fermentation of must to produce wine in a plurality of serially-connected fermentation vats comprises fermenting the must-containing medium in an initial fermentation...
4477569 Pentose fermentation with selected yeast  
It has been found possible to ferment the pentose D-xylose directly to ethanol with the selected yeast Pachysolen tannophilus. At least an initial aerobic stage is desirable. Improved yields have...
4472501 Process for manufacturing alcohol by fermentation  
Ethanol is produced by culturing the microorganism Kluyveromyces cellobiovorus or Kloeckera apiculata in a medium containing, as a carbon source, an assimilable source of xylose, cellobiose or...
4464471 Biologically engineered plasmid coding for production of β-glucosidase, organisms modified by this plasmid and methods of use  
A biologically engineered plasmid coding for the production of β-glucosidase. The plasmid can be incorporated into various microorganisms to enable the microorganism to digest cellobiose, which is...
4460687 Fermentation method  
A continuous process for producing ethanol by fermenting carbohydrate containing feed stocks at atmospheric pressure in a fermentor, in which a fermentation liquor stream is withdrawn from the...
Matches 201 - 250 out of 327 < 1 2 3 4 5 6 7 >