FI20031060A - Ksylanaasikäsittelymenetelmiä valkaisussa - Google Patents

Ksylanaasikäsittelymenetelmiä valkaisussa

Info

Publication number
FI20031060A
FI20031060A FI20031060A FI20031060A FI20031060A FI 20031060 A FI20031060 A FI 20031060A FI 20031060 A FI20031060 A FI 20031060A FI 20031060 A FI20031060 A FI 20031060A FI 20031060 A FI20031060 A FI 20031060A
Authority
FI
Finland
Prior art keywords
bleaching
treatment procedures
xylanase treatment
xylanase
procedures
Prior art date
Application number
FI20031060A
Other languages
English (en)
Swedish (sv)
Inventor
Jeffrey S Tolan
Corina Popovici
Luc Thibeault
Original Assignee
Iogen Bio Produckts 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 Iogen Bio Produckts Corp filed Critical Iogen Bio Produckts Corp
Publication of FI20031060A publication Critical patent/FI20031060A/fi

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
    • 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
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI20031060A 2001-01-18 2003-07-11 Ksylanaasikäsittelymenetelmiä valkaisussa FI20031060A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26285801P 2001-01-18 2001-01-18
PCT/CA2002/000065 WO2002057541A2 (en) 2001-01-18 2002-01-18 Use of xylanase in pulp bleaching

Publications (1)

Publication Number Publication Date
FI20031060A true FI20031060A (fi) 2003-09-11

Family

ID=22999362

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20031060A FI20031060A (fi) 2001-01-18 2003-07-11 Ksylanaasikäsittelymenetelmiä valkaisussa

Country Status (6)

Country Link
US (1) US7320741B2 (fi)
AU (1) AU2002229430A1 (fi)
CA (1) CA2435279A1 (fi)
FI (1) FI20031060A (fi)
SE (1) SE0302088L (fi)
WO (1) WO2002057541A2 (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002226210A1 (en) * 2000-12-22 2002-07-08 Iogen Bio-Products Corporation Alkaline extraction stages comprising xylanase
CN100346030C (zh) * 2002-03-06 2007-10-31 埃欧金生物制品公司 化学纸浆的木聚糖酶处理
EP2314698A1 (en) 2002-06-14 2011-04-27 Verenium Corporation Xylanases, nucleic acids encoding them and methods for making and using them
US20040112555A1 (en) * 2002-12-03 2004-06-17 Jeffrey Tolan Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
WO2006047713A2 (en) * 2004-10-27 2006-05-04 Novozymes North America, Inc. Enzymatic-assisted chlorine dioxide treatment
CN102392380A (zh) * 2005-05-04 2012-03-28 诺维信北美公司 二氧化氯处理组合物和方法
EP2548955A1 (en) 2006-02-14 2013-01-23 Verenium Corporation Xylanases, nucleic acids encoding them and methods for making and using them
FI122898B (fi) * 2009-01-14 2012-08-31 Linde Ag Menetelmä selluloosamassan pH:n säätämiseksi, sellun tai paperin valmistus selluloosamassasta ja (bi)karbonaattipoiston käyttö haponkulutuksen vähentämiseksi
WO2012015452A1 (en) * 2009-11-11 2012-02-02 International Paper Company Effect of low dose xylanase on pulp in prebleach treatment process
US8497097B2 (en) * 2010-08-11 2013-07-30 Georgia Tech Research Corporation Chlorine dioxide treatment of biomass feedstock
CN104088185B (zh) * 2014-06-11 2016-06-22 华南理工大学 一种纸浆的生物质基酶预处理漂白方法
EP3221508A1 (en) 2014-11-17 2017-09-27 Novozymes A/S Enzymatic process combined with hot caustic extraction for the removal of hemicelluloses from paper-grade pulp
CN105200836A (zh) * 2015-09-24 2015-12-30 广西大学 一种生物酶预处理辅助竹浆ecf漂白的方法
EP4230791A1 (en) * 2022-02-18 2023-08-23 AB Enzymes GmbH A bleaching process

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US166236A (en) * 1875-08-03 Improvement in sewing-machines
CA1154941A (en) * 1980-06-13 1983-10-11 John G. Medway Brick molding machine
FI81395B (fi) 1988-03-14 1990-06-29 Cultor Oy Foerfarande foer blekning av cellulosamassa.
US5179021A (en) 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
FI90888B (fi) 1989-02-14 1993-12-31 Enso Gutzeit Oy Menetelmä selluloosamassan valkaisemiseksi
PT94984A (pt) 1989-08-14 1991-04-18 Cultor Oy Processo aperfeicoado para branqueamento de polpa a oxigenio
NZ235679A (en) 1989-10-18 1993-01-27 Int Paper Co Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages
WO1991011533A1 (en) * 1990-01-26 1991-08-08 E.I. Du Pont De Nemours And Company Method for isolating primer extension products from template-directed dna polymerase reactions
FI89814C (fi) * 1990-02-02 1993-11-25 Enso Gutzeit Oy Foerfarande foer blekning av cellulosamassa
DE4129739A1 (de) 1990-09-11 1992-03-12 Sandoz Ag Chlorfreies bleichen von papierpulpe
FI905456A (fi) 1990-11-02 1992-05-03 Enso Gutzeit Oy Foerfarande foer blekning av cellulosamassa.
FR2672066B1 (fr) * 1991-01-25 1997-01-31 Du Pin Cellulose Traitement enzymatique d'une pate ligno-cellulosique chimique.
CA2044100A1 (en) 1991-06-07 1992-12-08 Janice Hamilton Biobleaching process
US5369024A (en) 1992-03-25 1994-11-29 The United States Of America As Represented By The Secretary Of Agriculture Xylanase from streptomyces roseiscleroticus NRRL-11019 for removing color from kraft wood pulps
DE69331618T2 (de) 1992-10-23 2002-10-17 Koninkl Philips Electronics Nv Verfahren zur Herstellung einer Halbleiteranordnung, wobei ein seitlich abgegrenzter Halbleiterbereich selbst-justiert in einem Halbleiterkörper erzeugt wird
US5405769A (en) 1993-04-08 1995-04-11 National Research Council Of Canada Construction of thermostable mutants of a low molecular mass xylanase
BE1007651A3 (fr) * 1993-10-22 1995-09-05 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
US5935836A (en) 1994-07-29 1999-08-10 Rohm Enzyme Finland Oy Actinomadura xylanase sequences and methods of use
JP3435946B2 (ja) 1994-12-21 2003-08-11 王子製紙株式会社 耐熱性キシラナーゼ
WO1997036995A2 (en) * 1996-03-29 1997-10-09 Pacific Enzymes Limited A xylanase
US5759840A (en) 1996-09-09 1998-06-02 National Research Council Of Canada Modification of xylanase to improve thermophilicity, alkalophilicity and thermostability
CA2410917C (en) 2000-05-31 2012-11-27 Wing L. Sung Modified xylanases exhibiting increased thermophilicity and alkalophilicity
CN100346030C (zh) * 2002-03-06 2007-10-31 埃欧金生物制品公司 化学纸浆的木聚糖酶处理

Also Published As

Publication number Publication date
SE0302088D0 (sv) 2003-07-17
WO2002057541A3 (en) 2003-04-03
SE0302088L (sv) 2003-09-12
AU2002229430A1 (en) 2002-07-30
CA2435279A1 (en) 2002-07-25
WO2002057541A2 (en) 2002-07-25
US20040077071A1 (en) 2004-04-22
US7320741B2 (en) 2008-01-22

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