Acetic Acid Patents (Class 435/140)
-
Publication number: 20150010960Abstract: An object of the present invention is to provide a soft biomass decomposition method, a production method for a target substance from soft biomass, and an enzyme or group of enzymes for decomposing soft biomass. Provided is a soft biomass decomposition method, including a step of bringing an enzyme selected from specific exocellulase, endocellulase, and processive endocellulase into contact with soft biomass such as bagasse and rice straw. Also provided is a production method for a target substance from soft biomass by incorporating the soft biomass decomposition method as a step. Further provided is an enzyme or group of enzymes for decomposing soft biomass selected from specific exocellulase, endocellulase, and processive endocellulase.Type: ApplicationFiled: January 29, 2013Publication date: January 8, 2015Applicant: NATIONAL UNIVERSITY CORPORATION MIE UNIVERSITYInventors: Yutaka Tamaru, Takeshi Katsuyama
-
Publication number: 20150004656Abstract: The present invention relates to isolated polypeptides having cellulolytic enhancing activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.Type: ApplicationFiled: September 15, 2014Publication date: January 1, 2015Inventors: Lan Tang, Ye Liu, Junxin Duan, Yu Zhang, Christian Joergensen, Randall Kramer
-
Publication number: 20140377813Abstract: The invention provides a microbial eukaryotic cell capable of utilizing C5 sugars, in particular xylose. Another objective of the invention is to provide an improved protein sequence to enable eukaryotic cells to degrade C5 sugars. The present invention thus provides protein comprising an amino acid sequence having at least 75% identity, preferably 80% identity, most preferably 90% identity, most highly preferably 95% identity to SEQ ID NO. 2 or SEQ ID NO. 8 and having xylose-isomerase activity in a eukaryotic cell.Type: ApplicationFiled: February 7, 2013Publication date: December 25, 2014Inventors: Zdravko Dragovic, Christian Gamauf, Christoph Reisinger, Ulrich Kettling
-
Publication number: 20140377817Abstract: The present invention relates to microorganisms and polypeptides for detoxifying aldehydes associated with industrial fermentations. In particular, a heat-stable, NADPH- and iron-dependent alcohol dehydrogenase was cloned from Thermoanaerobacter pseudethanolicus 39E and displayed activity against a number of aldehydes including inhibitory compounds that are produced during the dilute-acid pretreatment process of lignocellulosic biomass before fermentation to biofuels. Methods to use the microorganisms and polypeptides of the invention for improved conversion of bio mass to biofuel are provided as well as use of the enzyme in metabolic engineering strategies for producing longer-chain alcohols from sugars using thermophilic, fermentative microorganisms.Type: ApplicationFiled: June 20, 2014Publication date: December 25, 2014Inventors: James G. Elkins, Sonya M. Clarkson
-
Publication number: 20140377818Abstract: Biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) is processed to produce useful intermediates and products, such as energy, fuels, foods or materials. For example, methods are described that can use feedstock materials, such as cellulosic and/or lignocellulosic materials, to produce an intermediate or product, e.g., by fermentation.Type: ApplicationFiled: September 11, 2014Publication date: December 25, 2014Inventors: Marshall Medoff, Thomas Craig Masterman, Seul-a Bae, Kelly Wallick
-
Publication number: 20140377822Abstract: Ethanol and other liquid products are produced by contacting syngas components such as CO or a mixture of CO2 and H2 with a surface of a membrane under anaerobic conditions and transferring these components into contact with a biofilm on the opposite side of the membrane. These steps provide a stable system for producing liquid products such as ethanol, butanol and other chemicals. The gas fed on the membrane's gas contact side transports through the membrane to form a biofilm of anaerobic microorganisms that converted the syngas to desired liquid products. The system can sustain production with a variety of microorganisms and membrane configurations.Type: ApplicationFiled: September 9, 2014Publication date: December 25, 2014Inventors: Robert Hickey, Rathin Datta, Shih-Perng Tsai, Rahul Basu
-
Patent number: 8916359Abstract: The present invention relates to isolated polypeptides having glucoamylase activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.Type: GrantFiled: November 30, 2010Date of Patent: December 23, 2014Assignees: Novozymes A/S, Novozymes North America, Inc.Inventors: Sara Landvik, Marc Dominique Morant, Keiichi Ayabe, Guillermo Coward-Kelly
-
Publication number: 20140370552Abstract: The present invention provides endoglucanase 1b (EG1b) variants suitable for use in saccharification reactions. The present application further provides genetically modified fungal organisms that produce EG1b variants, as well as enzyme mixtures exhibiting enhanced hydrolysis of cellulosic material to fermentable sugars, enzyme mixtures produced by the genetically modified fungal organisms, and methods for producing fermentable sugars from cellulose using such enzyme mixtures.Type: ApplicationFiled: December 18, 2012Publication date: December 18, 2014Inventors: Ee Lui Ang, Ellen D. Eberhard, Xiyun Zhang, Wei Zhang, Jing Tian, Derek J. Smith, Vesna Mitchell
-
Publication number: 20140370559Abstract: The invention relates to the microbial fermentation of gaseous substrates to produce one or more products. The invention relates to the microbial fermentation of a gaseous substrate derived from the conversion of a biogas stream. The invention relates to the conversion of a biogas stream comprising methane to a gaseous substrate comprising CO or CO plus H2, and the production of one or more products from the microbial fermentation of said gaseous substrate.Type: ApplicationFiled: March 14, 2014Publication date: December 18, 2014Applicant: LanzaTech New Zealand LimitedInventors: Simon David Oakley, Joss Anton Coombes, Sean Dennis Simpson, Bjorn Daniel Heijstra, Michael Anthony Schultz, Sean Molloy
-
Publication number: 20140363861Abstract: The technology relates, in certain aspects, to the use of novel extreme thermophile microorganisms, which are able to convert lignocellulosic biomass to carboxylic acids, in particular to lactic acid and/or acetic acid, salts or esters thereof.Type: ApplicationFiled: September 21, 2012Publication date: December 11, 2014Inventors: Simon Curvers, Vitaly Svetlichnyi
-
Publication number: 20140356915Abstract: Processes are described for fractionating lignocellulosic biomass into cellulose, hemicellulose, and lignin, comprising fractionating lignocellulosic biomass in the presence of a solvent for lignin (such as ethanol), a hydrolysis catalyst (such as sulfur dioxide), and water, to produce a liquor containing hemicellulose, cellulose-rich solids, and lignin; hydrolyzing the hemicellulose to produce hemicellulosic monomers; saccharifying the cellulose-rich solids to produce glucose; recovering the hemicellulosic monomers and the glucose, separately or in a combined stream, as fermentable sugars; and fermenting the fermentable sugars to a fermentation product having a higher normal boiling point than water. Process integration of mass and/or energy is disclosed in many specific embodiments. The fermentation product may include an organic acid, an alcohol, a diol, or combinations thereof.Type: ApplicationFiled: May 23, 2014Publication date: December 4, 2014Applicant: API Intellectual Property Holdings, LLCInventors: Theodora RETSINA, Vesa PYLKKANEN, Ryan P. O'CONNOR
-
Publication number: 20140342408Abstract: Provided are isolated polypeptides having xylanase activity, catalytic domains and cellulose binding domains, and polynucleotides encoding the polypeptides, catalytic domains or cellulose binding domains. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides, catalytic domains or cellulose binding domains.Type: ApplicationFiled: November 22, 2012Publication date: November 20, 2014Inventors: Yu Zhang, Lan Tang, Junxin Duan, Ye Liu
-
Publication number: 20140329285Abstract: A method for on-farm processing a biomass feedstock into a useful industrial chemicals includes the steps of (a) delignifying the biomass feedstock to produce a delignified biomass, (b) subjecting the delignified biomass to cellulase production, (c) subjecting the delignified biomass with attached cellulase to simultaneous cellulolytic and solventogenic reactions to produce useful industrial chemicals (d) collecting and separating the useful industrial chemical from the fermentation broth and (e) collecting the fermentation residues.Type: ApplicationFiled: October 25, 2013Publication date: November 6, 2014Applicant: The University of Kentucky Research FoundationInventors: Sue E. Nokes, Bert C. Lynn, Stephen Rankin, Barbara Knutson, Michael D. Montross, Michael Flythe
-
Publication number: 20140331364Abstract: Provided are isolated polypeptides having beta-glucosidase activity and polynucleotides encoding the polypeptides. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.Type: ApplicationFiled: December 19, 2012Publication date: November 6, 2014Inventors: Ye Liu, Junxin Duan, Yu Zhang, Lan Tang
-
Publication number: 20140317786Abstract: The present invention relates to isolated polypeptides having beta-glucosidase activity, beta-xylosidase activity, or beta-glucosidase and beta-xylosidase activity and isolated polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.Type: ApplicationFiled: November 16, 2012Publication date: October 23, 2014Inventor: Marc Morant
-
Publication number: 20140315259Abstract: The present application provide methods for producing ethanol from a biomass. The methods combine sugars produced from a feedstock containing starch with sugars produced from a cellulosic biomass. The methods allow increased amounts of ethanol to be produced from a given solids concentration in the fermenters. The methods also encompass filtering the liquefied feedstock mash through a filter comprising biomass fibers. The biomass filter produces a post-filtered mash stream comprising a high concentration of sugars and a low concentration of non-fermentable solids. The methods provide numerous advantages described herein.Type: ApplicationFiled: March 14, 2014Publication date: October 23, 2014Inventors: Richard Root Woods, James Kacmar
-
Publication number: 20140315243Abstract: The present invention relates to processes for producing fermentation products from starch-containing material, wherein an alpha-amylase, a thermostable protease, and optionally a carbohydrate-source generating enzyme and/or pullulanase, are present and/or added during liquefaction. The invention also relates to compositions suitable for use in a process of the invention.Type: ApplicationFiled: November 30, 2012Publication date: October 23, 2014Inventors: Randall Deinhammer, Joyce Craig, Tomoko Matsui, Shinobu Takagi, Suzanne Clark, John Matthews, Anne Glud Hjulmand, Chee-Leong Soong
-
Publication number: 20140308701Abstract: The present invention relates to recombinant filamentous fungal host cells producing cellulolytic enzyme compositions and methods of producing and using the compositions.Type: ApplicationFiled: August 23, 2012Publication date: October 16, 2014Inventors: Jeffrey Shasky, Amanda Fischer, Suchindra Maiyuran
-
Publication number: 20140308705Abstract: The present invention relates to isolated polypeptides having cellulolytic enhancing activity and polynucleotides encoding the polypeptides. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.Type: ApplicationFiled: September 20, 2012Publication date: October 16, 2014Inventors: Marc Morant, Tarana Shaghasi
-
Publication number: 20140304859Abstract: Provided are isolated polypeptides having endoglucanase activity and polynucleotides encoding the polypeptides. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides.Type: ApplicationFiled: December 14, 2012Publication date: October 9, 2014Applicant: Novozymes Inc.Inventors: Ye Liu, Yu Zhang, Junxin Duan, Lan Tang
-
Patent number: 8852901Abstract: Biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) is processed to produce useful intermediates and products, such as energy, fuels, foods or materials. For example, methods are described that can use feedstock materials, such as cellulosic and/or lignocellulosic materials, to produce an intermediate or product, e.g., by fermentation.Type: GrantFiled: July 15, 2011Date of Patent: October 7, 2014Assignee: Xyleco, Inc.Inventors: Marshall Medoff, Thomas Craig Masterman, Seul-a Bae, Kelly Wallick
-
Patent number: 8852918Abstract: A biologically pure isolate of a selected bacterium derived from Clostridium autoethanogenum is described which has improved efficiency in the production of ethanol by anaerobic fermentation of substrates comprising carbon monoxide. The bacterium can produce ethanol and acetate at an ethanol to acetate ratio of at least 1.0 and has a productivity of at least 1.2 g of ethanol/l of fermentation broth per day. The bacterium is also characterized in that it has substantially no ability to sporulate.Type: GrantFiled: June 29, 2012Date of Patent: October 7, 2014Assignee: Lanzatech New Zealand LimitedInventors: Sean Dennis Simpson, Richard Llewellyn Sydney Forster, Phuong Loan Tran, Matthew James Rowe, Ian Linstrand Warner
-
Publication number: 20140289905Abstract: Provided are isolated polypeptides having xylanase activity, catalytic domains and cellulose binding domains, and polynucleotides encoding the polypeptides, catalytic domains or cellulose binding domains. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides, catalytic domains or cellulose binding domains.Type: ApplicationFiled: November 9, 2012Publication date: September 25, 2014Applicant: Novozymes Inc.Inventors: Yu Zhang, Junxin Duan, Ye Liu, Lan Tang
-
Publication number: 20140287465Abstract: The present invention relates to polypeptides having xylanase activity, catalytic domains, and carbohydrate binding domains, and polynucleotides encoding the polypeptides, catalytic domains, and carbohydrate binding domains. The present invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides, catalytic domains, and carbohydrate binding domains.Type: ApplicationFiled: December 18, 2012Publication date: September 25, 2014Inventors: Nikolaj Spodsberg, Tarana Shaghasi
-
Publication number: 20140287461Abstract: A method of producing a sugar liquid using a cellulose-containing biomass as a raw material includes (a) hydrolyzing a cellulose-containing biomass to produce an aqueous sugar solution and (b) filtering the obtained aqueous sugar solution through a reverse osmosis membrane to collect a purified sugar liquid from a feed side, while removing fermentation-inhibiting substances from a permeate side.Type: ApplicationFiled: May 28, 2014Publication date: September 25, 2014Applicant: Toray Industries, Inc.Inventors: Hiroyuki Kurihara, Atsushi Minamino, Masateru Ito, Hideki Sawai, Masayuki Hanakawa, Shin-ichi Minegishi, Katsushige Yamada
-
Publication number: 20140273105Abstract: Lignocellulosic biomass pretreated with ammonia where the concentration of the biomass in the reaction mixture is reduced over time was found to produce more sugars following saccharification, as compared to equivalent biomass pretreated at constant concentration. The concentration of biomass is a solids concentration, which is the percent of dry biomass relative to the total pretreatment reaction mixture on a weight to weight basis.Type: ApplicationFiled: March 5, 2014Publication date: September 18, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: PATRICIA CHEUNG, BRADLEY CURT FOX, MING WOEI LAU, JOSEPH MICHAEL SELBY, GREGORY PAUL SHANKWITZ, STUART M THOMAS, RYAN ERIC WARNER
-
Publication number: 20140257085Abstract: The present invention relates to a process for the preparation of aqueous solutions of hyperpolarized carboxylic organic acids ready for use in in-vivo MR diagnostic imaging, and the use of the corresponding anhydrides or esters as glass-forming agents.Type: ApplicationFiled: October 11, 2012Publication date: September 11, 2014Applicant: BRACCO IMAGING S.P.A.Inventors: Silvio Aime, Sonia Colombo Serra, Giovanni Battista Giovenzana, Pernille Rose Jensen, Magnus Karlsson, Mathilde H. Lerche, Fabio Tedoldi
-
Publication number: 20140256007Abstract: An example includes an apparatus, method, and system for producing and extracting a gas from a wastewater fluid. The apparatus can include a membrane including at least one hollow fiber, the at least one hollow fiber configured to convey a gas extracted from a wastewater fluid. Bacteria can be immobilized within the membrane, and the bacteria configured to produce the gas during treatment of the wastewater fluid.Type: ApplicationFiled: March 5, 2014Publication date: September 11, 2014Inventors: Paige J. Novak, William Arnold, Erin M. Surdo
-
Patent number: 8828692Abstract: Ethanol and other liquid products are produced by contacting syngas components such as CO or a mixture of CO2 and H2 with a surface of a membrane under anaerobic conditions and transferring these components into contact with a biofilm on the opposite side of the membrane. These steps provide a stable system for producing liquid products such as ethanol, butanol and other chemicals. The gas fed on the membrane's gas contact side transports through the membrane to form a biofilm of anaerobic microorganisms that converted the syngas to desired liquid products. The system can sustain production with a variety of microorganisms and membrane configurations.Type: GrantFiled: May 5, 2011Date of Patent: September 9, 2014Assignee: Coskata, Inc.Inventors: Robert Hickey, Rathin Datta, Shih-Perng Tsai, Rahul Basu
-
Publication number: 20140248663Abstract: Provided are isolated polypeptides having cellobiohydrolase activity, catalytic domains and cellulose binding domains, and polynucleotides encoding the polypeptides, catalytic domains or cellulose binding domains. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides, catalytic domains or cellulose binding domains.Type: ApplicationFiled: November 15, 2012Publication date: September 4, 2014Inventors: Lan Tang, Junxin Duan, Yu Zhang, Ye Liu
-
Publication number: 20140234914Abstract: The present invention relates to recombinant Trichoderma host cells producing Aspergillus fumigatus cellulolytic enzyme compositions and methods of producing and using the compositions.Type: ApplicationFiled: August 23, 2012Publication date: August 21, 2014Applicant: NOVOZYMES, INC.Inventors: Jeffrey Shasky, Brett McBrayer
-
Patent number: 8809015Abstract: Methods and systems for the production of hydrocarbon products, including providing a substrate comprising CO to a bioreactor containing a culture of one or more micro-organisms; and fermenting the culture in the bioreactor to produce one or more hydrocarbon products. The substrate comprising CO is derived from an industrial process selected from the group comprising steam reforming processes, refinery processes, steam cracking processes, and reverse water gas shift processes.Type: GrantFiled: October 21, 2011Date of Patent: August 19, 2014Assignee: LanzaTech New Zealand LimitedInventors: Michael Anthony Schultz, James Obern, Sean Dennis Simpson
-
METHOD FOR ENHANCING THE FERMENTATIVE POTENTIAL AND GROWTH RATE OF MICROORGANISMS UNDER ANAEROBIOSIS
Publication number: 20140227749Abstract: The present invention concerns a method for enhancing the growth rate, the biomass production and/or the fermentative potential of an anaerobic microorganism, comprising the steps consisting in: (a) modifying said anaerobic microorganism by inactivating the ohrR gene, the ohrR gene product or homolog thereof; (b) culturing the modified anaerobic microorganism obtained in step (a) under low-ORP anaerobic conditions.Type: ApplicationFiled: June 5, 2012Publication date: August 14, 2014Applicants: Universite d'Avignon et des Pays de Vaucluse, Commissariat a l'energie atomique et aux ene altInventors: Jean Armengaud, Geremy Clair, Catherine Duport -
Publication number: 20140227745Abstract: The disclosure relates to a metabolic transistor in bacteria where a competitive pathway is introduced to compete with a product pathway for available carbon so as to control the carbon flux in the bacteria.Type: ApplicationFiled: February 7, 2014Publication date: August 14, 2014Applicant: William Marsh Rice UniversityInventors: Ka-Yiu SAN, George N. BENNETT, Hui WU
-
Publication number: 20140212933Abstract: The subject invention pertains to overexpression of a putative oxidoreductase (ucpA) for increasing furfural tolerance in genetically modified microorganisms. Genetically modified microorganisms capable of overexpressing UcpA are also provided. Increased expression of ucpA was shown to increase furfural tolerance by 50%, and to permit the fermentation of sugars to products in the presence of 15 mM furfural.Type: ApplicationFiled: July 9, 2012Publication date: July 31, 2014Applicant: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.Inventors: Xuan Wang, Elliot N. Miller, Lorraine P. Yomano, Keelnatham T. Shanmugam, Lonnie O'Neal Ingram
-
Publication number: 20140212932Abstract: The present invention relates to enzyme compositions comprising a polypeptide having cellobiohydrolase II activity, a polypeptide having xylanase activity, and one or more cellulolytic proteins and their use in the degradation or conversion of cellulosic material.Type: ApplicationFiled: April 8, 2014Publication date: July 31, 2014Applicant: Novozymes, Inc.Inventors: Kimberly Brown, Eric Abbate
-
Publication number: 20140212937Abstract: The invention provides a microbubble generation system with increased efficiency and flexibility compared to known systems. Further, the invention provides a method of microbubble generation. In particular, invention relates to increasing the efficiency of a fermentation reaction by reducing bubble size and increasing gas absorption into a liquid fermentation broth.Type: ApplicationFiled: January 28, 2014Publication date: July 31, 2014Applicant: LanzaTech New Zealand LimitedInventor: Xueliang Li
-
Publication number: 20140206035Abstract: Provided are isolated polypeptides having glucoamylase activity, catalytic domains, and polynucleotides encoding the polypeptides, catalytic domains. Also provided are nucleic acid constructs, vectors and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides, catalytic domains.Type: ApplicationFiled: August 24, 2012Publication date: July 24, 2014Inventors: Tianqi Sun, Ming Li
-
Publication number: 20140206046Abstract: Described herein are improved methods of degrading or converting cellulosic material into fermentable sugars using dithionite. Also described are improved methods of fermentation in the presence of dithionite.Type: ApplicationFiled: September 7, 2012Publication date: July 24, 2014Inventors: Hui Xu, Ye Chen, Xin Li, Mark Stevens, Zhengfang Kang
-
Patent number: 8785155Abstract: A method is presented for the production of cellulosic ethanol, acetic acid and derivatives from the extract containing fibers and hemicelluloses after steam cooking of biomass in a host plant. The process is integrated with the host plant process to minimize the effect of loss of heat value from the extracted hemicelluloses and eliminate the need for the waste water treatment plant.Type: GrantFiled: May 15, 2012Date of Patent: July 22, 2014Assignee: API Intellectual Property Holdings, LLCInventors: Theodora Retsina, Vesa Pylkkanen, Kimberly Nelson
-
Publication number: 20140193871Abstract: At least one product chosen from acids and alcohols is produced by a microbial fermentation process comprising: providing a gaseous substrate and a liquid medium to a microorganism, wherein the liquid medium comprises lactic acid and/or salts thereof, and wherein the gaseous substrate comprises at least one carbon source chosen from CO and CO2, and allowing the microorganism to produce at least one product chosen from acids and alcohols.Type: ApplicationFiled: December 26, 2013Publication date: July 10, 2014Inventors: Chang-Chieh CHEN, Hsin-Tzu Kuo, Yi-Te Chou, Chin-Chen Hsu, Shao-Wen Wu
-
Patent number: 8771999Abstract: Bioconversion processes are disclosed that enable high conversion efficiencies of gas substrate containing both carbon monoxide and hydrogen to oxygenated organic compounds via the carbon monoxide and hydrogen pathways using anaerobic, deep, bubble column fermentation in a cost effective manner. The high conversion efficiency processes of this invention comprise the combination of using at least two deep, bubble column reactors in flow series and using certain feed gas compositions and microbubbles while avoiding carbon monoxide inhibition.Type: GrantFiled: September 23, 2011Date of Patent: July 8, 2014Assignee: Coskata, Inc.Inventors: Robert Hickey, Richard E. Tobey
-
Publication number: 20140186884Abstract: This disclosure relates to novel xylose isomerases and their uses, particularly in fermentation processes that employ xylose-containing media.Type: ApplicationFiled: July 23, 2013Publication date: July 3, 2014Applicant: BP Corporation North Americca Inc.Inventors: David Neal Nunn, JR., Peter Luginbuhl, Ling Li, Adam Martin Burja, John Peter Flash Bartnek
-
Publication number: 20140178937Abstract: A method of producing a sugar liquid with a cellulose-containing biomass as a raw material includes (1) hydrolyzing a cellulose-containing biomass to produce an aqueous sugar solution, and (2) filtering the aqueous sugar solution obtain in (1) through an ultrafiltration membrane having a molecular weight cutoff of 600 to 2,000 to remove a fermentation inhibitor(s) into the permeate side and collect a sugar liquid from the feed side.Type: ApplicationFiled: July 27, 2012Publication date: June 26, 2014Applicant: Toray Industries, Inc.Inventors: Atsushi Minamino, Hiroyuki Kurihara, Katsushige Yamada
-
Publication number: 20140162312Abstract: The invention relates to a cell which comprises a nucleotide sequence encoding a xylose isomerase, wherein the amino acid sequence of the xylose isomerase has at least 75% sequence identity to the amino acid sequence set out in SEQ ID NO: 2 and wherein the nucleotide sequence is heterologous to the host. A cell of the invention may be used in a process for producing a fermentation product, such as ethanol. Such a process may comprise fermenting a medium containing a source of xylose with a cell of the invention such that the cell ferments xylose to the fermentation product.Type: ApplicationFiled: August 2, 2012Publication date: June 12, 2014Inventors: Paul Klaassen, Gijsberdina Pieternella Van Suylekom, Rene Marcel De Jong
-
Publication number: 20140154759Abstract: This invention provides processes and apparatus to convert biomass, including wood and agricultural residues, into low-ash biomass pellets for combustion, alone or in combination with another solid fuel. Some embodiments provide processes for producing low-ash biomass from cellulosic biomass, comprising providing an aqueous extraction solution with acetic acid; extracting the feedstock to produce an extract liquor containing soluble ash, hemicellulosic oligomers, acetic acid, dissolved lignin, and cellulose-rich solids; dewatering and drying the cellulose-rich, lignin-rich solids to produce a low-ash biomass; hydrolyzing the hemicellulosic oligomers to produce hemicellulosic sugars, wherein additional acetic acid is generated; removing a vapor stream comprising vaporized acetic acid from the extract; and recycling the vapor or its condensate to provide some starting acetic acid for the extraction solution. The disclosed processes can produce clean power from biomass.Type: ApplicationFiled: February 5, 2014Publication date: June 5, 2014Applicant: API Intellectual Property Holdings, LLCInventors: Theodora RETSINA, Vesa PYLKKANEN
-
Publication number: 20140150334Abstract: This invention provides processes to convert biomass into energy-dense biomass for combustion, alone or in combination with another solid fuel. Some embodiments provide processes for producing energy-dense biomass from cellulosic biomass, comprising extracting the feedstock with steam and/or hot water to produce an extract liquor containing hemicellulosic oligomers, dissolved lignin, and cellulose-rich solids; separating the extract liquor, to produce dewatered cellulose-rich solids; hydrolyzing the dewatered cellulose-rich solids, thereby removing a portion of the cellulose, to produce intermediate solids (with higher energy density) and a hydrolysate; drying the intermediate solids to produce energy-dense biomass; and optionally recovering fermentable sugars from the hydrolysate. The energy-dense biomass may be pelletized into biomass pellets, which may have a similar energy density as torrefied pellets from wood.Type: ApplicationFiled: February 5, 2014Publication date: June 5, 2014Applicant: API Intellectual Property Holdings, LLCInventors: Theodora RETSINA, Vesa PYLKKANEN
-
Patent number: 8741619Abstract: A method for purifying protein aqueous is provided. A protein aqueous is first provided. An absorption material is mixed into the protein aqueous to form a first mixture. The first mixture is separated into a solid-liquid two phases solution by a first separation process. A buffer solution is added into the solid phase from the solid-liquid two phases solution which has a target protein therein to form a second mixture. Then, a second separation process is performed to separate the second mixture to obtain a purified protein aqueous.Type: GrantFiled: February 1, 2013Date of Patent: June 3, 2014Assignee: Chung Yuan Christian UniversityInventors: Tsung-Yen Tsai, Shih-Sin Huang, Chao-Chen Hsu
-
Publication number: 20140141471Abstract: The present invention relates to methods for degrading or converting a cellulosic material and for producing substances from the cellulosic material.Type: ApplicationFiled: May 18, 2012Publication date: May 22, 2014Applicant: Novozymes, Inc.Inventors: Feng Xu, William Widner, Ani Tejirian
-
Publication number: 20140141473Abstract: Yeast cell belonging to the genus Saccharomyces having introduced into its genome at least one xylA gene and at least one of each of araA, araB and araD genes and that is capable of consuming a mixed sugar mixture comprising glucose, xylose and arabinose, wherein the cell co-consumes glucose and arabinose, has genetic variations obtained during adaptive evolution and has a specific xylose consumption rate in the presence of glucose that is 0.25 g xylose/h, g DM or more.Type: ApplicationFiled: April 20, 2012Publication date: May 22, 2014Applicant: DSM IP ASSETS B.V.Inventors: Paul Klaassen, Bianca Elisabeth Maria Gielesen, Gijsberdina Pieternella Van Suylekom, Panagiotis Sarantinopoulos, Wilbert Herman Marie Heijne, Aldo Greeve