[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Cao et al., 1996 - Google Patents

Ethanol production from corn cob pretreated by the ammonia steeping process using genetically engineered yeast

Cao et al., 1996

Document ID
12850534196184431538
Author
Cao N
Krishnan M
Du J
Gong C
Ho N
Chen Z
Tsao G
Publication year
Publication venue
Biotechnology Letters

External Links

Snippet

A new and effective pretreatment process for biomass conversion involves the steeping of biomass in 2.9 M NH 4 OH. This resulted in the removing about 80–90% of the lignin along with almost all the acetate from cellulosic residues. Based on dry cellulose from corn cob, a …
Continue reading at link.springer.com (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
    • C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
    • C12P7/06—Ethanol, i.e. non-beverage
    • C12P7/08—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
    • C12P7/10—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
    • C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
    • C12P7/18—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic polyhydric
    • C12P7/20—Glycerol
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels
    • Y02E50/16—Cellulosic bio-ethanol
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING OR MAINTAINING MICRO-ORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14—Hydrolases (3)
    • C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
    • C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
    • C12N9/2405—Glucanases
    • C12N9/2434—Glucanases acting on beta-1,4-glucosidic bonds
    • C12N9/2437—Cellulases (3.2.1.4; 3.2.1.74; 3.2.1.91; 3.2.1.150)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/02—Monosaccharides
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels
    • Y02E50/17—Grain bio-ethanol
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING OR MAINTAINING MICRO-ORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/90—Isomerases (5.)
    • C12N9/92—Glucose isomerase (5.3.1.5; 5.3.1.9; 5.3.1.18)
    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13K—SACCHARIDES, OTHER THAN SUCROSE, OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DI-, OLIGO- OR POLYSACCHARIDES
    • C13K1/00—Glucose; Glucose-containing syrups

Similar Documents

Publication Publication Date Title
Cao et al. Ethanol production from corn cob pretreated by the ammonia steeping process using genetically engineered yeast
JP4804457B2 (en) Ethanol production method
WO2012029842A1 (en) Method for enzymatic saccharification of lignocellulosic biomass, and method for manufacturing ethanol from lignocellulosic biomass
Dominguez et al. Dilute acid hemicellulose hydrolysates from corn cobs for xylitol production by yeast
US8980599B2 (en) Method for the production of alcohol from a pretreated lignocellulosic feedstock
Cao et al. Production of 2, 3-butanediol from pretreated corn cob by Klebsiella oxytoca in the presence of fungal cellulase
US8563277B1 (en) Methods and systems for saccharification of biomass
US20220090156A1 (en) Methods and Systems For Saccharification of Biomass
JP2005027541A (en) Method for producing monosaccharides and / or oligosaccharides and method for separating wood component
EP2836602B1 (en) Methods and systems for saccharification of biomass
WO2014190294A1 (en) Sugar separation and purification from biomass
US10240171B2 (en) Preparation of lactic acid and/or a lactate salt from lignocellulosic material by separate saccharification and fermentation steps
JP4947223B1 (en) Enzymatic saccharification method for lignocellulose-containing biomass
JP4930650B1 (en) Method for producing ethanol from lignocellulose-containing biomass
BR112020007246A2 (en) process for enzymatic hydrolysis of lignocellulosic material and sugar fermentation
JP2007124933A (en) Pretreatment method of lignocellulose
JP5924192B2 (en) Enzymatic saccharification method for lignocellulose-containing biomass
Dominguez et al. Xylitol production from hybrid poplar wood chips pretreated by the ammonia steeping process
JP2006246711A (en) Method for pretreating lignocellulose
WO2019086370A1 (en) Process for enzymatic hydrolysis of lignocellulosic material and fermentation of sugars
JP2010057506A (en) Method for production of monosaccharide and/or oligosaccharides, and method for isolation of wood component
JP5910367B2 (en) Method for producing ethanol from lignocellulose-containing biomass
BR112020023198A2 (en) process for producing a polypeptide
JP2013183690A (en) Method of pretreating biomass containing lignocellulose
Tsao NINGJUN CAO,* YOUKUN XIA, CHENG S. GONG