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MX2014015296A - Metodos para la eliminacion de hemicelulosa. - Google Patents

Metodos para la eliminacion de hemicelulosa.

Info

Publication number
MX2014015296A
MX2014015296A MX2014015296A MX2014015296A MX2014015296A MX 2014015296 A MX2014015296 A MX 2014015296A MX 2014015296 A MX2014015296 A MX 2014015296A MX 2014015296 A MX2014015296 A MX 2014015296A MX 2014015296 A MX2014015296 A MX 2014015296A
Authority
MX
Mexico
Prior art keywords
cellulosic
hemicellulose
methods
extractant
removing hemicellulose
Prior art date
Application number
MX2014015296A
Other languages
English (en)
Inventor
Lawton E Kizer
Michael Combs
Denis Fallon
Rongfu Li
Jay Mehta
Xiaoyan Tu
Prabuddha Bansal
Original Assignee
Celanese Int Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Celanese Int Corp filed Critical Celanese Int Corp
Publication of MX2014015296A publication Critical patent/MX2014015296A/es

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/003—Pulping cellulose-containing materials with organic compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0057—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Xylans, i.e. xylosaccharide, e.g. arabinoxylan, arabinofuronan, pentosans; (beta-1,3)(beta-1,4)-D-Xylans, e.g. rhodymenans; Hemicellulose; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/14—Hemicellulose; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H8/00—Macromolecular compounds derived from lignocellulosic materials
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Paper (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

Un método para tratar un material celulósico que comprende extraer el material celulósico con un agente de extracción para extraer de forma selectiva hemicelulosa en el mismo y separar la hemicelulosa extraída para formar un producto celulósico que comprende menos hemicelulosa que el material que contiene celulosa; el agente de extracción comprende un líquido iónico y una sustancia no disolvente; el producto celulósico conserva la morfología de fibra celulósica.
MX2014015296A 2012-08-20 2013-08-20 Metodos para la eliminacion de hemicelulosa. MX2014015296A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201261684993P 2012-08-20 2012-08-20
US13/827,767 US20140048221A1 (en) 2012-08-20 2013-03-14 Methods for extracting hemicellulose from a cellulosic material
US13/827,881 US8986501B2 (en) 2012-08-20 2013-03-14 Methods for removing hemicellulose
PCT/US2013/055838 WO2014031672A2 (en) 2012-08-20 2013-08-20 Methods for removing hemicellulose

Publications (1)

Publication Number Publication Date
MX2014015296A true MX2014015296A (es) 2015-02-20

Family

ID=50099230

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2014015296A MX2014015296A (es) 2012-08-20 2013-08-20 Metodos para la eliminacion de hemicelulosa.

Country Status (12)

Country Link
US (3) US8986501B2 (es)
EP (1) EP2885453A2 (es)
JP (1) JP2015531830A (es)
KR (1) KR20150044854A (es)
CN (1) CN104781466A (es)
AU (1) AU2013305911A1 (es)
BR (1) BR112014030191A2 (es)
CA (1) CA2875590A1 (es)
CL (1) CL2014003334A1 (es)
MX (1) MX2014015296A (es)
RU (1) RU2014151750A (es)
WO (1) WO2014031672A2 (es)

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US20140326421A1 (en) * 2013-05-03 2014-11-06 Celanese International Corporation Processes for Purifying a Cellulosic Material
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