SE526289E8 - Bleaching step using xylanase with hydrogen peroxide, peracids or a combination thereof - Google Patents

Bleaching step using xylanase with hydrogen peroxide, peracids or a combination thereof

Info

Publication number
SE526289E8
SE526289E8 SE0302142A SE0302142A SE526289E8 SE 526289 E8 SE526289 E8 SE 526289E8 SE 0302142 A SE0302142 A SE 0302142A SE 0302142 A SE0302142 A SE 0302142A SE 526289 E8 SE526289 E8 SE 526289E8
Authority
SE
Sweden
Prior art keywords
xylanase
peracids
combination
hydrogen peroxide
bleaching step
Prior art date
Application number
SE0302142A
Other languages
Swedish (sv)
Other versions
SE0302142D0 (en
SE526289E (en
SE0302142L (en
SE526289C2 (en
Inventor
Jeffrey Tolan
Miro Suchy
Original Assignee
Novozymes As
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23307737&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE526289(E8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Novozymes As filed Critical Novozymes As
Publication of SE0302142D0 publication Critical patent/SE0302142D0/en
Publication of SE0302142L publication Critical patent/SE0302142L/en
Publication of SE526289C2 publication Critical patent/SE526289C2/en
Publication of SE526289E publication Critical patent/SE526289E/en
Publication of SE526289E8 publication Critical patent/SE526289E8/en

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4453—Cassettes
    • 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
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Paper (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Light Guides In General And Applications Therefor (AREA)
SE0302142A 2001-12-03 2003-07-29 Bleaching step using xylanase with hydrogen peroxide, peracids or a combination thereof SE526289E8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33455001P 2001-12-03 2001-12-03
PCT/CA2002/001848 WO2003048449A1 (en) 2001-12-03 2002-12-03 Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof

Publications (5)

Publication Number Publication Date
SE0302142D0 SE0302142D0 (en) 2003-07-29
SE0302142L SE0302142L (en) 2003-10-03
SE526289C2 SE526289C2 (en) 2005-08-16
SE526289E SE526289E (en) 2010-02-09
SE526289E8 true SE526289E8 (en) 2015-10-20

Family

ID=23307737

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0302142A SE526289E8 (en) 2001-12-03 2003-07-29 Bleaching step using xylanase with hydrogen peroxide, peracids or a combination thereof

Country Status (6)

Country Link
CN (1) CN1293261C (en)
AU (1) AU2002351904A1 (en)
CA (1) CA2436765A1 (en)
FI (1) FI20031106A (en)
SE (1) SE526289E8 (en)
WO (1) WO2003048449A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100346030C (en) * 2002-03-06 2007-10-31 埃欧金生物制品公司 Xylanase treatment of chemical pulp
JP4967451B2 (en) * 2006-05-17 2012-07-04 三菱瓦斯化学株式会社 Method for producing bleached pulp
CN104404807A (en) * 2014-09-23 2015-03-11 广西大学 Method for reducing AOX forming amount in chlorine dioxide bleaching process of bagasse pulp
EP3399100A4 (en) * 2015-12-29 2019-08-14 Fibria Celulose S.A. Method for producing cellulose pulp, cellulose pulp and use thereof, paper
CN111979823A (en) * 2020-08-07 2020-11-24 齐鲁工业大学 Sulfate wood pulp short-process ECF bleaching process X/D-Z-P (X/Z-D-P)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ239500A (en) * 1990-08-24 1993-08-26 Novo Nordisk As Xylanases obtained from bacillus pumilus and use in a lignocellulosic chemical pulping process
DE4129739A1 (en) * 1990-09-11 1992-03-12 Sandoz Ag Chlorine-free bleaching of paper pulp
FI905456A (en) * 1990-11-02 1992-05-03 Enso Gutzeit Oy FOERFARANDE FOER BLEKNING AV CELLULOSAMASSA.
CA2150810A1 (en) * 1993-03-12 1994-09-15 Karl-Erik L. Eriksson Process for bleaching pulp
BE1007651A3 (en) * 1993-10-22 1995-09-05 Solvay Interox Method of laundering of chemical pulp.
DE19632623A1 (en) * 1996-08-13 1998-02-19 Consortium Elektrochem Ind Multi-component system for changing, breaking down or bleaching lignin, lignin-containing materials or similar substances as well as methods for their use
WO1998059108A2 (en) * 1997-06-20 1998-12-30 Blume, Hildegard Oxidation and bleaching system with enzymatically produced oxidizing agents
DE10114341C2 (en) * 2001-03-23 2003-10-02 Rettenmaier & Soehne Gmbh & Co Process for grinding and bleaching cellulosic material, its use and the cellulosic material

Also Published As

Publication number Publication date
AU2002351904A1 (en) 2003-06-17
FI20031106A (en) 2003-09-03
SE0302142D0 (en) 2003-07-29
CN1293261C (en) 2007-01-03
WO2003048449A1 (en) 2003-06-12
CA2436765A1 (en) 2003-06-12
SE526289E (en) 2010-02-09
SE0302142L (en) 2003-10-03
CN1630756A (en) 2005-06-22
SE526289C2 (en) 2005-08-16

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Legal Events

Date Code Title Description
RPOP Patent has been republished in amended form after opposition
CORR Corrections

Free format text: THE FOLLOWING PUBLICATIONS HAVE BEEN CORRECTED WITH A NEW FRONT PAGE; CLASS DATA WAS MISSING

NUG Patent has lapsed