AR086801A1 - METHOD FOR PURIFYING LIGNIN - Google Patents

METHOD FOR PURIFYING LIGNIN

Info

Publication number
AR086801A1
AR086801A1 ARP120102340A ARP120102340A AR086801A1 AR 086801 A1 AR086801 A1 AR 086801A1 AR P120102340 A ARP120102340 A AR P120102340A AR P120102340 A ARP120102340 A AR P120102340A AR 086801 A1 AR086801 A1 AR 086801A1
Authority
AR
Argentina
Prior art keywords
mixture
enzymatic treatment
enzyme
value
lignin
Prior art date
Application number
ARP120102340A
Other languages
Spanish (es)
Inventor
Garoff Niklas
Danielsson Carl
Ola-Ekman Kalle
Original Assignee
Stora Enso Oyj
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 Stora Enso Oyj filed Critical Stora Enso Oyj
Publication of AR086801A1 publication Critical patent/AR086801A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G1/00—Lignin; Lignin derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H6/00—Macromolecular compounds derived from lignin, e.g. tannins, humic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/105—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with enzymes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/005—Lignin
    • 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
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0042—Fractionating or concentration of spent liquors by special methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Zoology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Sustainable Development (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Enzymes And Modification Thereof (AREA)

Abstract

Un método para producir un producto de lignina purificada mediante un tratamiento enzimático, cuyo método comprende los pasos de: proporcionar una mezcla que contenga lignina, ajustando y/o manteniendo el valor del pH de dicha mezcla en un valor óptimo para el tratamiento enzimático; agregar al menos una enzima a dicha mezcla, donde dicha al menos una enzima esté dirigida a hidrolizar los carbohidratos presentes en dicha mezcla; ajustar y/o mantener la mezcla en una temperatura óptima de trabajo, durante un período de tiempo óptimo de reacción para el tratamiento enzimático; y terminar el tratamiento enzimático.A method for producing a purified lignin product by an enzymatic treatment, the method of which comprises the steps of: providing a mixture containing lignin, adjusting and / or maintaining the pH value of said mixture at an optimum value for enzymatic treatment; adding at least one enzyme to said mixture, wherein said at least one enzyme is directed to hydrolyze the carbohydrates present in said mixture; adjust and / or maintain the mixture at an optimum working temperature, for an optimal reaction time period for the enzymatic treatment; and finish the enzymatic treatment.

ARP120102340A 2011-06-30 2012-06-28 METHOD FOR PURIFYING LIGNIN AR086801A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1150609A SE1150609A1 (en) 2011-06-30 2011-06-30 Procedure for the purification of lignin

Publications (1)

Publication Number Publication Date
AR086801A1 true AR086801A1 (en) 2014-01-22

Family

ID=47424384

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP120102340A AR086801A1 (en) 2011-06-30 2012-06-28 METHOD FOR PURIFYING LIGNIN

Country Status (5)

Country Link
AR (1) AR086801A1 (en)
SE (1) SE1150609A1 (en)
TW (1) TW201302278A (en)
UY (1) UY34149A (en)
WO (1) WO2013002708A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2948590B1 (en) * 2013-01-24 2019-05-08 Valmet AB Method for producing high purity lignin
AU2014411407B2 (en) 2014-11-12 2020-06-18 Renmatix, Inc. Method of coalescing a substance
WO2016170158A1 (en) * 2015-04-24 2016-10-27 Bene Pharmachem Gmbh & Co. Kg Method of detecting and/or quantifying pentosan polysulfate sodium
FI127740B (en) 2015-05-29 2019-01-15 Upm Kymmene Corp A method and an apparatus for forming a lignin fraction, a lignin composition and its use

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7699958B2 (en) * 2006-11-27 2010-04-20 Ut-Battelle, Llc Method for improving separation of carbohydrates from wood pulping and wood or biomass hydrolysis liquors
CA2739451A1 (en) * 2008-10-17 2010-04-22 Mascoma Corporation Production of pure lignin from lignocellulosic biomass
US20120138546A1 (en) * 2009-07-13 2012-06-07 Andrea Bonanni High Temperature Lignin Separation Process

Also Published As

Publication number Publication date
UY34149A (en) 2013-01-03
TW201302278A (en) 2013-01-16
WO2013002708A1 (en) 2013-01-03
SE1150609A1 (en) 2012-12-31

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Legal Events

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FA Abandonment or withdrawal