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7625728 |
Process for the simultaneous production of xylitol and ethanol
Effective processes are provided for the production of xylitol and ethanol and other products from solutions derived from lignocellulose-containing material in biomass. The solutions can be...
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7622285 |
Ethanol production from biological wastes
The invention provides methods, apparatuses, and kits for producing ethanol and other alcohols. The methods involve fermenting organic material in a fermentation mixture to a biogas comprising...
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7608191 |
Production of a fermentation product
A process of separating suspended solids from a fermentation liquor by subjecting the liquor to a solids-liquid separation stage, wherein the fermentation liquor is produced in a fermentation...
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7585652 |
Recovery of inorganic salt during processing of lignocellulosic feedstocks
A method for recovering inorganic salt during processing of a lignocellulosic feedstock is provided. The method comprises pretreating the lignocellulosic feedstock by adding an acid to the...
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7582444 |
Use of flocculating agents for separating the solid residue in hydrolysed fermentation substrates
Process for improving the separation efficiency of residual solid matter from the liquid phase of an aqueous acid hydrolysate of a naturally occurring polysaccharide comprising dissolved sugars,...
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7582215 |
Production of a fermentation product
A process of separating suspended solids from a fermentation liquor by subjecting the liquor to a solids-liquid separation stage, wherein the fermentation liquor is produced in a fermentation...
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7510857 |
Thermostable cellulase and methods of use
A Clostridium thermocellum thermostable cellulase enzyme with both endocellulase activity and exocellulase activity that is able to degrade cellulose in the absence of scaffolding and other...
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7455997 |
Production of fermentation product
A process of producing fermentation product comprising the steps of, (i) forming an acidified suspension of particulate plant derived material comprising a first polysaccharide which is more...
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7351559 |
Process for producing ethanol
A process for producing ethanol including a combination of biochemical and synthetic conversions results in high yield ethanol production with concurrent production of high value coproducts. An...
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7309592 |
Ethanol production from biological wastes
The invention provides methods, apparatuses, and kits for producing ethanol and other alcohols. The methods involve fermenting organic material in a fermentation mixture to a biogas comprising...
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7244597 |
Secondary liquefaction in ethanol production
The invention relates to a method of producing ethanol by fermentation, said method comprising a secondary liquefaction step in the presence of a thermostable acid alpha-amylase or, a thermostable...
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7109005 |
Process for the simultaneous production of xylitol and ethanol
Effective processes are provided for the production of xylitol and ethanol and other products from solutions derived from lignocellulose-containing material in biomass. The solutions can be...
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7078201 |
Ethanol fermentation using oxidation reduction potential
A process to improve ethanol yield, decrease fermentation time and reduce byproduct formation by monitoring and controlling oxidation reduction potential (redox) of the fermentor is disclosed.
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7077953 |
Nanofilter system and method of use
An acid recovery system used in a hydrolysis operation includes a chromatographic unit to provide initial separation of sugar and acid. The sugar product provided by the chromatographic unit is...
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7070967 |
High speed, consecutive batch or continuous, low effluent process for the production of ethanol from molasses, starches, or sugars
A flocculent Saccharomyces cerevisae strain (BPSC-15) produces higher yields of ethanol in fermentations of fermentable sugar or fermentable starch/enzyme.
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6849434 |
Ethanol production in recombinant hosts
The subject invention concerns the transformation of Gram-positive bacteria with heterologous genes which confer upon these microbes the ability to produce ethanol as a fermentation product....
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6846657 |
Process for the simultaneous production of xylitol and ethanol
The invention relates to a process for the simultaneous production of xylitol and ethanol from a hydrolyzed lignocellulose-containing material starting. The starting material is fermented with a...
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6737258 |
Process for the conversion of and aqueous biomass hydrolyzate into fuels or chemicals by the selective removal of fermentation inhibitors
A process of making a fuel or chemical from a biomass hydrolyzate is provided which comprises the steps of providing a biomass hydrolyzate, adjusting the pH of the hydrolyzate, contacting a metal...
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6518050 |
Process for producing and extracting aromatic compounds
The invention relates to a means for enhancing the value of distillation residues of fermentation products and in particular, a process for producing compounds of economic interest from these...
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6365732 |
Process for obtaining stereoisomers from biomass
The present invention includes a process for extracting a stereoisomer fro biomass. The method comprises providing biomass and subjecting the biomass to substantially instantaneous pressurization...
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6340581 |
Biological production of products from waste gases
A method and apparatus are designed for converting waste gases from industrial processes such as oil refining, and carbon black, coke, ammonia, and methanol production, into useful products. The...
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6333181 |
Ethanol production from lignocellulose
This invention presents a method of improving enzymatic degradation of lignocellulose, as in the production of ethanol from lignocellulosic material, through the use of ultrasonic treatment. The...
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6251643 |
Method for using a vegetable biomass and a screw press to carry out said method
A process and apparatus for recovering organic and inorganic matter from waste material wherein the waste material is sterilized and solid organic matter becomes soft when subjected to heat and...
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6136577 |
Biological production of ethanol from waste gases with Clostridium ljungdahlii
A method and apparatus for converting waste gases from industrial processes such as oil refining, carbon black, coke, ammonia, and methanol production, into useful products is disclosed. The method...
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6090595 |
Pretreatment process for conversion of cellulose to fuel ethanol
An improved pretreatment of cellulosic feedstocks, to enable economical ethanol production by enzyme treatment. The improved pretreatment comprises choosing either a feedstock with a ratio of...
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6071729 |
Disruption of the cytochrome C gene in xylose-fermenting yeast
Disclosed is a xylose-fermenting mutant yeast strain exhibiting reduced expression of cytochrome c and enhanced fermentation of xylose relative to xylose-fermenting yeast strains in which...
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6040434 |
Aldehyde oxidase inhibitors for treatment of aids
A new pathway of metabolism of 3'-azido-3'-deoxythymidine (AZT) to 3'-amino-3'-deoxythymidine (AMT) has been described. This pathway involves the enzyme aldehyde oxidase. Aldehyde oxidase...
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6015699 |
Process for the production of alcohol
The subject invention relates to an improved process for the production of alcohol which obviates the drawbacks and limitations of the hitherto known process, comprises growing a yeast in a...
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5932456 |
Production of ethanol and other fermentation products from biomass
A method and apparatus for the production of ethanol and other fermentation products including citric acid, butanol and isopropanol from non-virgin biomass having deleterious materials therein is...
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5916787 |
Ethanol production in gram-positive microbes
The subject invention concerns the transformation of Gram-positive bacteria with heterologous genes which confer upon these microbes the ability to produce ethanol as a fermentation product....
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5882905 |
Thermostable α-L-arabinofuranosidase from Aureobasidium pullulans
An α-L-arabinofuranosidase enzyme which is highly thermostable, and is effective for the hydrolysis of arabinofuranosyl residues from L-arabinose containing polysaccharides and hemicelluloses is...
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5843760 |
Single zymomonas mobilis strain for xylose and arabinose fermentation
This invention relates to single microorganisms which normally do not ferment pentose sugars which are genetically altered to ferment the pentose sugars, xylose and arabinose, to produce ethanol,...
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5837506 |
Continuous process for making ethanol
An improved continuous process for producing ethanol from cellulosic materials employs an intermittently agitated, perpetually fed, solids retaining reactor vessel. Cellulosic substrate, catalysts...
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5807722 |
Biological production of acetic acid from waste gases with Clostridium ljungdahlii
A method and apparatus for converting waste gases from industrial processes such as oil refining, carbon black, coke, ammonia, and methanol production, into useful products. The method includes...
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5789210 |
Recombinant yeasts for effective fermentation of glucose and xylose
Described are recombinant yeasts containing genes encoding xylose reductase, xylitol dehydrogenase and xylulokinase, and DNA molecules, vectors and methods useful for producing such yeasts. The...
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5766895 |
Method for production of ethyl alcohol
The invention describes a method for the economic production of ethyl alcohol involving dehydration of the alcohol in an adsorption-desorption process using ion exchange resins which have been...
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5726053 |
Recombinant Zymomonas for pentose fermentation
The invention relates to microorganisms which normally do not ferment pentose sugar and which are genetically altered to ferment pentose sugar to produce ethanol, and fermentation processes...
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5712133 |
Pentose fermentation by recombinant zymomonas
The invention relates to microorganisms which normally do not ferment pentose sugar and which are genetically altered to ferment pentose sugar to produce ethanol, and fermentation processes...
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5705369 |
Prehydrolysis of lignocellulose
The invention relates to the prehydrolysis of lignocellulose by passing an acidic or alkaline solution through solid lignocellulosic particles with removal of soluble components as they are formed....
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5688674 |
Continuous fermentation process for the production of metabolities using a moving filter
A metabolite, e.g., ethanol, is continuously produced from low cost carbohydrate substrates by a process which comprises pulverizing the carbohydrate substrate; liquefying and saccharifying the...
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5677154 |
Production of ethanol from biomass
A method and apparatus for the production of ethanol from non-virgin biomass having deleterious materials therein is provided. The deleterious materials prevent or retard the production of ethanol...
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5662810 |
Method and apparatus for efficiently dewatering corn stillage and other materials
A new process and apparatus efficiently dewater aqueous solids residual after fermentation and distillation, such as corn stillage. The feed stream of aqueous solids slurry is fractionated into two...
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5593886 |
Clostridium stain which produces acetic acid from waste gases
A method and apparatus for converting waste gases from industrial processes such as oil refining, carbon black, coke, ammonia, and methanol production, into useful products. The method includes...
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5578472 |
Process for the production of ethanol from microalgae
The present invention provides a process and system for the production of ethanol wherein a microalga capable of accumulating starch in the cells thereof is cultured, the culture solution...
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5545543 |
Process for the continuous production of ethanol from cereals
Ethanol is continuously produced by cooking and acidifying milled cereal to produce a slurry of acidified and liquified product containing non-fermentable dextrins, screening the slurry with a...
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5407817 |
Municipal solid waste processing facility and commercial ethanol production process
A method of processing waste is disclosed wherein tile municipal solid waste is segregated and processed to recover reusable rubber, metal, plastic, glass and tile remaining organic portion of the...
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5372939 |
Combined enzyme mediated fermentation of cellulous and xylose to ethanol by Schizosaccharoyces pombe, cellulase, β-glucosidase, and xylose isomerase
A process for producing ethanol from mixed sugar streams from pretreated biomass comprising xylose and cellulose using enzymes to convert these substrates to fermentable sugars; selecting and...
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5258293 |
Continuous process for ethanol production from lignocellulosic materials without mechanical agitation
An improved and highly productive method of continuously producing ethanol from lignocellulosic substrates is provided. The method involves providing a suitable microbial system within a reaction...
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5246863 |
Karl Fischer titration techniques
An improved technique and apparatus for automatic titration for determining the water content of a sample by a Karl Fischer (K.F.) reaction. Rather than requiring titration from one endpoint to...
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5231017 |
Process for producing ethanol
The invention relates to a process for producing ethanol from raw materials, that contain fermentable sugars or constituents which can be converted into sugars, comprising the steps of: ...
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