Process for treating biomass

Campbell, Timothy J.; Teymouri, Farzaneh

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Title: Process for treating biomass

Abstract

This invention is directed to a process for treating biomass. The biomass is treated with a biomass swelling agent within the vessel to swell or rupture at least a portion of the biomass. A portion of the swelling agent is removed from a first end of the vessel following the treatment. Then steam is introduced into a second end of the vessel different from the first end to further remove swelling agent from the vessel in such a manner that the swelling agent exits the vessel at a relatively low water content.

Inventors:: Campbell, Timothy J.; Teymouri, Farzaneh

Issue Date:: 2018-04-10

Research Org.:: The Michigan Biotechnology Institute, Lansing, MI (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1434523

Patent Number(s):: 9938662

Application Number:: 14/800,859

Assignee:: The Michigan Biotechnology Institute (Lansing, MI)

Patent Classifications (CPCs):: C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08B - POLYSACCHARIDES

C - CHEMISTRY C12 - BIOCHEMISTRY C12P - FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE {

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C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08B - POLYSACCHARIDES
C08B1/003 - {Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids

C - CHEMISTRY C12 - BIOCHEMISTRY C12P - FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE {
C12P19/02 - Monosaccharides
C12P19/14 - produced by the action of a carbohydrase {
C12P2201/00 - Pretreatment of cellulosic or lignocellulosic material for subsequent enzymatic treatment or hydrolysis

D - TEXTILES D21 - PAPER-MAKING D21C - PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS
D21C1/02 - with water or steam
D21C1/04 - with acid reacting compounds
D21C1/06 - with alkaline reacting compounds
D21C5/005 - {Treatment of cellulose-containing material with microorganisms or enzymes}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E50/10 - Biofuels
Y02E50/30 - Fuel from waste

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DOE Contract Number:: EE0005071

Resource Type:: Patent

Resource Relation:: Patent File Date: 2015 Jul 16

Country of Publication:: United States

Language:: English

Subject:: 09 BIOMASS FUELS

Citation Formats


                    Campbell, Timothy J., and Teymouri, Farzaneh. Process for treating biomass.  United States: N. p., 2018. 
        Web.

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                    Campbell, Timothy J., & Teymouri, Farzaneh. Process for treating biomass.  United States.

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                    Campbell, Timothy J., and Teymouri, Farzaneh. Tue .  
        "Process for treating biomass".  United States.  https://www.osti.gov/servlets/purl/1434523.

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@article{osti_1434523,

  title        = {Process for treating biomass},

  author       = {Campbell, Timothy J. and Teymouri, Farzaneh},

  abstractNote = {This invention is directed to a process for treating biomass. The biomass is treated with a biomass swelling agent within the vessel to swell or rupture at least a portion of the biomass. A portion of the swelling agent is removed from a first end of the vessel following the treatment. Then steam is introduced into a second end of the vessel different from the first end to further remove swelling agent from the vessel in such a manner that the swelling agent exits the vessel at a relatively low water content.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2018},

  month        = {4}

}

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Works referenced in this record:

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Scheibel, Edward G.
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patent, March 2011

Dale, Bruce E.
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Process for treatment of biomass feedstocks
patent, May 2011

Rajagopalan, Srinivasan; Tiedje, Tonya; McCalla, Darold
US Patent Document 7,937,851
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Biomass pretreatment
patent, October 2011

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US Patent Document 8,030,030
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Pretreated densified biomass products
patent, March 2014

Dale, Bruce E.; Ritchie, Bryan; Marshall, Derek
US Patent Document 8,673,031
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8673031

Methods of hydrolyzing pretreated densified biomass particulates and systems related thereto
patent, February 2015

Bals, Bryan; Teymouri, Farzaneh; Campbell, Tim
US Patent Document 8,945,245
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/8945245

Methods for producing and using densified biomass products containing pretreated biomass fibers
patent, May 2015

Dale, Bruce E.; Ritchie, Bryan; Marshall, Derek
US Patent Document 9,039,792
URL: https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9039792