SE0402037L - Xylanasbehandling av kemisk massa - Google Patents

Xylanasbehandling av kemisk massa

Info

Publication number
SE0402037L
SE0402037L SE0402037A SE0402037A SE0402037L SE 0402037 L SE0402037 L SE 0402037L SE 0402037 A SE0402037 A SE 0402037A SE 0402037 A SE0402037 A SE 0402037A SE 0402037 L SE0402037 L SE 0402037L
Authority
SE
Sweden
Prior art keywords
pulp
bleaching
chlorine dioxide
mill
chemical
Prior art date
Application number
SE0402037A
Other languages
English (en)
Other versions
SE0402037D0 (sv
SE528865C8 (sv
SE528865C2 (sv
Inventor
Jeffrey S Tolan
Corian Popovici
Original Assignee
Iogen Bio Products 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 Products Corp filed Critical Iogen Bio Products Corp
Publication of SE0402037D0 publication Critical patent/SE0402037D0/sv
Publication of SE0402037L publication Critical patent/SE0402037L/sv
Publication of SE528865C2 publication Critical patent/SE528865C2/sv
Publication of SE528865C8 publication Critical patent/SE528865C8/sv

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
    • D21C9/12—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
    • 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
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
SE0402037A 2002-03-06 2004-08-18 Behandling av kemisk massa med xylanas vid klordioxidblekning SE528865C8 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36220002P 2002-03-06 2002-03-06
PCT/CA2003/000300 WO2003074780A1 (en) 2002-03-06 2003-03-05 Xylanase treatment of chemical pulp

Publications (4)

Publication Number Publication Date
SE0402037D0 SE0402037D0 (sv) 2004-08-18
SE0402037L true SE0402037L (sv) 2004-10-29
SE528865C2 SE528865C2 (sv) 2007-02-27
SE528865C8 SE528865C8 (sv) 2007-10-02

Family

ID=27789149

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0402037A SE528865C8 (sv) 2002-03-06 2004-08-18 Behandling av kemisk massa med xylanas vid klordioxidblekning

Country Status (7)

Country Link
US (1) US7368036B2 (sv)
CN (1) CN100346030C (sv)
AU (1) AU2003208216A1 (sv)
CA (1) CA2477847A1 (sv)
FI (1) FI20041152A (sv)
SE (1) SE528865C8 (sv)
WO (1) WO2003074780A1 (sv)

Families Citing this family (30)

* 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
WO2002057541A2 (en) * 2001-01-18 2002-07-25 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
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
KR20050010053A (ko) * 2002-06-14 2005-01-26 다이버사 코포레이션 자일라나제, 이를 암호화하는 핵산, 및 이의 제조 및 사용방법
US20040112555A1 (en) * 2002-12-03 2004-06-17 Jeffrey Tolan Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
US20050051288A1 (en) * 2003-09-09 2005-03-10 Caifang Yin Extended retention and medium consistency pulp treatment
BRPI0520253B1 (pt) * 2005-05-04 2016-09-06 Novozymes As métodos para a deslignificação e/ou alvejamento de uma polpa, e para o tratamento de água de rejeito e/ou lama
CA2638801C (en) 2006-02-14 2016-12-13 Verenium Corporation Xylanases, nucleic acids encoding them and methods for making and using them
FI122626B (sv) * 2006-03-31 2012-04-30 Laennen Tutkimus Western Res Inc Oy Blekningsförfarande för kemisk massa
US7967948B2 (en) 2006-06-02 2011-06-28 International Paper Company Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents
US7976676B2 (en) 2006-12-18 2011-07-12 International Paper Company Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
US7976677B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
US20090165969A1 (en) * 2007-12-31 2009-07-02 Weyerhaeuser Co. Enzymatic treatment of pulp for lyocell manufacture
US20110108222A1 (en) * 2009-11-11 2011-05-12 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
CN102182094B (zh) * 2011-04-12 2012-03-14 山东轻工业学院 一种沙柳硫酸盐浆漂白工艺
JP5953909B2 (ja) * 2012-04-27 2016-07-20 王子ホールディングス株式会社 溶解パルプの製造方法
CN102877347B (zh) * 2012-09-18 2015-05-13 恒天海龙股份有限公司 利用化学纸浆制备溶解浆的漂白工艺
CN102926256B (zh) * 2012-11-27 2016-01-13 保定天鹅股份有限公司 一种用于生产粘胶纤维的竹浆粕变性生产工艺
CN102943403B (zh) * 2012-11-27 2015-12-23 保定天鹅股份有限公司 一种用于生产粘胶纤维的木浆粕变性生产工艺
FR3007044B1 (fr) * 2013-06-13 2016-01-15 Air Liquide Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium
CN104032611B (zh) * 2014-06-23 2016-04-20 广西大学 一种纸浆漂白方法
CN104195859B (zh) * 2014-09-23 2016-06-29 广西大学 一种生物酶辅助二氧化氯漂白蔗渣浆的方法
CN104389215A (zh) * 2014-10-23 2015-03-04 广东比伦生活用纸有限公司 一种环保节能的生活用纸纸浆的生产方法
CN104452394A (zh) * 2014-10-28 2015-03-25 广西大学 一种通过生物酶预处理减少蔗渣浆中己烯糖醛酸的方法
CN104695265A (zh) * 2015-03-26 2015-06-10 广西大学 一种利用木聚糖酶辅助纸浆二氧化氯漂白减少aox生成的方法
JP6187619B2 (ja) * 2016-03-07 2017-08-30 王子ホールディングス株式会社 溶解パルプの製造方法
WO2021018751A1 (en) * 2019-07-26 2021-02-04 Novozymes A/S Enzymatic treatment of paper pulp
CN111979818A (zh) * 2020-08-07 2020-11-24 齐鲁工业大学 一种硫酸盐木浆短程序ecf漂白工艺x/z/d-eop-d或x/d/z-eop-d
CN111979823A (zh) * 2020-08-07 2020-11-24 齐鲁工业大学 一种硫酸盐木浆短程序ecf漂白工艺x/d-z-p（x/z-d-p）

Family Cites Families (26)

* 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.
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 (sv) * 1989-02-14 1993-12-31 Enso Gutzeit Oy Förfarande för blekning av cellulosamassa
DK0487557T3 (da) * 1989-08-14 1996-07-01 Genencor Int Europ Forbedring af pulpblegning
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
FI89814C (sv) * 1990-02-02 1993-11-25 Enso Gutzeit Oy Förfarande för 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.
FI108800B (sv) * 1991-05-07 2002-03-28 Iogen Corp Förfarande och anordning för användning av enzymer vid framställning och blekning av pappersmassa
CA2044100A1 (en) 1991-06-07 1992-12-08 Janice Hamilton Biobleaching process
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.
SE502706E (sv) * 1994-04-05 1999-09-27 Mo Och Domsjoe Ab Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg
FI95607C (sv) * 1994-06-03 1996-02-26 Valtion Teknillinen Förfarande och enzympreparat för behandling av cellulosamassor
US5503709A (en) * 1994-07-27 1996-04-02 Burton; Steven W. Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
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
US5759840A (en) * 1996-09-09 1998-06-02 National Research Council Of Canada Modification of xylanase to improve thermophilicity, alkalophilicity and thermostability
AU2001267171A1 (en) * 2000-05-31 2001-12-11 National Research Council Of Canada Modified xylanases exhibiting increased thermophilicity and alkalophilicity
AU2002226210A1 (en) * 2000-12-22 2002-07-08 Iogen Bio-Products Corporation Alkaline extraction stages comprising xylanase
WO2002057541A2 (en) * 2001-01-18 2002-07-25 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
AU2002351904A1 (en) * 2001-12-03 2003-06-17 Iogen Bio-Products Corporation Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
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
US20040112555A1 (en) * 2002-12-03 2004-06-17 Jeffrey Tolan Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
ES2377408T3 (es) * 2004-03-25 2012-03-27 Iogen Bio-Products Corporation Xilanasas modificadas que exhiben expresión mejorada

Also Published As

Publication number Publication date
CA2477847A1 (en) 2003-09-12
CN100346030C (zh) 2007-10-31
SE0402037D0 (sv) 2004-08-18
US7368036B2 (en) 2008-05-06
AU2003208216A1 (en) 2003-09-16
CN1639417A (zh) 2005-07-13
SE528865C8 (sv) 2007-10-02
FI20041152A (sv) 2004-09-06
US20050150619A1 (en) 2005-07-14
SE528865C2 (sv) 2007-02-27
WO2003074780A1 (en) 2003-09-12

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Legal Events

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