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NZ235679A - Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages - Google Patents

Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages

Info

Publication number
NZ235679A
NZ235679A NZ23567990A NZ23567990A NZ235679A NZ 235679 A NZ235679 A NZ 235679A NZ 23567990 A NZ23567990 A NZ 23567990A NZ 23567990 A NZ23567990 A NZ 23567990A NZ 235679 A NZ235679 A NZ 235679A
Authority
NZ
New Zealand
Prior art keywords
bleaching
xylanase
treatment
stages
lignocellulosic pulp
Prior art date
Application number
NZ23567990A
Other languages
English (en)
Inventor
Shyam S Bhattacharjee
Witt Doraine M De
Wilfred Fookes
William L Olsen
Original Assignee
Int Paper Co
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 Int Paper Co filed Critical Int Paper Co
Publication of NZ235679A publication Critical patent/NZ235679A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01032—Xylan endo-1,3-beta-xylosidase (3.2.1.32), i.e. endo-1-3-beta-xylanase
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; 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)
    • C12N9/2477—Hemicellulases not provided in a preceding group
    • C12N9/248—Xylanases
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01008—Endo-1,4-beta-xylanase (3.2.1.8)
    • 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
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Paper (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
NZ23567990A 1989-10-18 1990-10-15 Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages NZ235679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42323989A 1989-10-18 1989-10-18

Publications (1)

Publication Number Publication Date
NZ235679A true NZ235679A (en) 1993-01-27

Family

ID=23678154

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ23567990A NZ235679A (en) 1989-10-18 1990-10-15 Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages

Country Status (9)

Country Link
EP (1) EP0457865A4 (xx)
JP (1) JPH04503695A (xx)
AU (1) AU624279B2 (xx)
BR (1) BR9006957A (xx)
CA (1) CA2044279A1 (xx)
NZ (1) NZ235679A (xx)
PT (1) PT95615A (xx)
RU (1) RU1838488C (xx)
WO (1) WO1991005908A1 (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK420289D0 (da) * 1989-08-25 1989-08-25 Novo Nordisk As Fremgangsmaade til behandling af lignocellulosepulp
SE465320B (sv) * 1990-01-10 1991-08-26 Korsnaes Ab Preparat som uppvisar enzymatisk delignifieringsaktivitet, saett att framstaella detsamma och tillaempningar daerav
US5837515A (en) * 1990-05-16 1998-11-17 Alko-Yhtiot Oy Enzyme preparations and methods for their production
DE4129739A1 (de) * 1990-09-11 1992-03-12 Sandoz Ag Chlorfreies bleichen von papierpulpe
AT400153B (de) * 1991-05-02 1995-10-25 Voest Alpine Ind Anlagen Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien
FI90670C (sv) * 1991-05-02 1994-03-10 Metsae Serla Oy Behandling av alkalibehandlad massa för användning i pappersframställning
CA2082185C (en) * 1991-11-26 2004-01-20 Alexander R. Pokora Protease catalyzed treatments of lignocellulose materials
JPH06116889A (ja) * 1992-09-30 1994-04-26 New Oji Paper Co Ltd 木材化学パルプの漂白法
JPH06220786A (ja) * 1993-01-25 1994-08-09 Hokuetsu Paper Mills Ltd パルプの漂白方法
US5871730A (en) * 1994-07-29 1999-02-16 Universite De Sherbrooke Thermostable xylanase DNA, protein and methods of use
US5935836A (en) * 1994-07-29 1999-08-10 Rohm Enzyme Finland Oy Actinomadura xylanase sequences and methods of use
US6300114B1 (en) 1994-07-29 2001-10-09 Rohm Enzyme Finland Oy Sequences of xylanase and xylanase expression vectors
US7816129B2 (en) 1994-07-29 2010-10-19 Ab Enzymes Gmbh Production and secretion of proteins of bacterial origin in filamentous fungi
US6228629B1 (en) 1995-12-18 2001-05-08 Röhn Enzyme Finland OY Xylanases, genes encoding them, and uses thereof
US6635464B1 (en) 1995-12-18 2003-10-21 Rohm Enzyme Finland Oy Xylanases, genes encoding them, and uses thereof
AU1099597A (en) * 1995-12-18 1997-07-14 Rohm Enzyme Finland Oy Novel xylanases and uses thereof
AU2002229430A1 (en) 2001-01-18 2002-07-30 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
AU2003208216A1 (en) 2002-03-06 2003-09-16 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp
KR20080045764A (ko) 2002-06-14 2008-05-23 신젠타 파티서페이션즈 아게 자일라나제, 이를 암호화하는 핵산, 및 이의 제조 및 사용방법
CN100372996C (zh) * 2005-12-20 2008-03-05 新疆博湖苇业股份有限公司 改进的纸浆漂白工艺
PL1989302T3 (pl) 2006-02-14 2019-03-29 Bp Corp North America Inc Ksylanazy, kodujące je kwasy nukleinowe i sposoby ich wytwarzania i stosowania
CA2672102A1 (en) 2006-12-05 2008-06-12 Meneba B.V. Flour-based product, its preparation and use
WO2010093233A1 (en) * 2009-02-12 2010-08-19 Universiti Sains Malaysia A process for bioenzymatic deinking of paper

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI81395B (fi) * 1988-03-14 1990-06-29 Cultor Oy Foerfarande foer blekning av cellulosamassa.

Also Published As

Publication number Publication date
EP0457865A1 (en) 1991-11-27
AU6648690A (en) 1991-05-16
EP0457865A4 (en) 1992-10-21
CA2044279A1 (en) 1991-04-19
JPH04503695A (ja) 1992-07-02
AU624279B2 (en) 1992-06-04
BR9006957A (pt) 1991-10-08
WO1991005908A1 (en) 1991-05-02
PT95615A (pt) 1991-09-13
RU1838488C (ru) 1993-08-30

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