WO1991011553A1 - A process for the bleaching of chemical pulp - Google Patents

A process for the bleaching of chemical pulp Download PDF

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Publication number
WO1991011553A1
WO1991011553A1 PCT/FI1991/000033 FI9100033W WO9111553A1 WO 1991011553 A1 WO1991011553 A1 WO 1991011553A1 FI 9100033 W FI9100033 W FI 9100033W WO 9111553 A1 WO9111553 A1 WO 9111553A1
Authority
WO
WIPO (PCT)
Prior art keywords
pulp
enzyme
treatment
steps
bleaching
Prior art date
Application number
PCT/FI1991/000033
Other languages
English (en)
French (fr)
Inventor
Marja Vaheri
Kimmo Ruohoniemi
Hannu Sonni
Original Assignee
Enso-Gutzeit Oy
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=8529828&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1991011553(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Enso-Gutzeit Oy filed Critical Enso-Gutzeit Oy
Priority to EP91903684A priority Critical patent/EP0513140B2/de
Priority to DE69113444T priority patent/DE69113444D1/de
Publication of WO1991011553A1 publication Critical patent/WO1991011553A1/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
    • 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
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
    • 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
    • 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
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
PCT/FI1991/000033 1990-02-02 1991-02-01 A process for the bleaching of chemical pulp WO1991011553A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP91903684A EP0513140B2 (de) 1990-02-02 1991-02-01 Verfahren zum bleichen von chemischem papierzellstoff
DE69113444T DE69113444D1 (de) 1990-02-02 1991-02-01 Verfahren zum bleichen von chemischem papierzellstoff.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI900549A FI89814C (fi) 1990-02-02 1990-02-02 Foerfarande foer blekning av cellulosamassa
FI900549 1990-02-02

Publications (1)

Publication Number Publication Date
WO1991011553A1 true WO1991011553A1 (en) 1991-08-08

Family

ID=8529828

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1991/000033 WO1991011553A1 (en) 1990-02-02 1991-02-01 A process for the bleaching of chemical pulp

Country Status (8)

Country Link
EP (1) EP0513140B2 (de)
JP (1) JPH05509362A (de)
AT (1) ATE128498T1 (de)
CA (1) CA2075187A1 (de)
DE (1) DE69113444D1 (de)
ES (1) ES2079062T5 (de)
FI (1) FI89814C (de)
WO (1) WO1991011553A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487812A (en) * 1991-05-02 1996-01-30 Mesta-Serla Oy Treatment of alkaline bleached mechanical wood pulp with pectinase
US6242245B1 (en) 1997-09-26 2001-06-05 Consortium für elektrochemische Industrie GmbH Multicomponent system for modifying, degrading or bleaching lignin or lignin-containing materials, and processes for its use
WO2002057541A2 (en) * 2001-01-18 2002-07-25 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
US7368036B2 (en) * 2002-03-06 2008-05-06 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp
US7504120B2 (en) 2002-06-14 2009-03-17 Verenium Corporation Xylanases, nucleic acids encoding them and methods for making and using them
US8043839B2 (en) 2006-02-14 2011-10-25 Verenium Corporation Xylanases, nucleic acids encoding them and methods for making and using them

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7816129B2 (en) 1994-07-29 2010-10-19 Ab Enzymes Gmbh Production and secretion of proteins of bacterial origin in filamentous fungi
US6602700B1 (en) 1998-09-04 2003-08-05 University Of Georgia Research Foundation, Inc. Phenolic acid esterases, coding sequences and methods
CA2340581A1 (en) 1998-09-04 2000-03-16 University Of Georgia Research Foundation, Inc. Phenolic acid esterases, coding sequences and methods
US7541175B1 (en) 2000-12-22 2009-06-02 Iogen Energy Corporation Alkaline extraction stages comprising xylanase

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383999A2 (de) * 1989-02-14 1990-08-29 Enso-Gutzeit Oy Verfahren zum Bleichen von Zellstoff
EP0406617A2 (de) * 1989-06-22 1991-01-09 International Paper Company Enzymatische Delignifizierung von lignozellulosehaltigem Material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383999A2 (de) * 1989-02-14 1990-08-29 Enso-Gutzeit Oy Verfahren zum Bleichen von Zellstoff
EP0406617A2 (de) * 1989-06-22 1991-01-09 International Paper Company Enzymatische Delignifizierung von lignozellulosehaltigem Material

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487812A (en) * 1991-05-02 1996-01-30 Mesta-Serla Oy Treatment of alkaline bleached mechanical wood pulp with pectinase
US6242245B1 (en) 1997-09-26 2001-06-05 Consortium für elektrochemische Industrie GmbH Multicomponent system for modifying, degrading or bleaching lignin or lignin-containing materials, and processes for its use
WO2002057541A2 (en) * 2001-01-18 2002-07-25 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
WO2002057541A3 (en) * 2001-01-18 2003-04-03 Iogen Bio Products Corp Use of xylanase in pulp bleaching
US7320741B2 (en) 2001-01-18 2008-01-22 Iogen Bio-Products Corporation Method of xylanase treatment in a chlorine dioxide bleaching sequence
US7368036B2 (en) * 2002-03-06 2008-05-06 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp
US7504120B2 (en) 2002-06-14 2009-03-17 Verenium Corporation Xylanases, nucleic acids encoding them and methods for making and using them
US7547534B2 (en) 2002-06-14 2009-06-16 Verenium Corporation Methods for making a composition to treat a wood, a pulp or a paper
US8728769B2 (en) 2002-06-14 2014-05-20 Bp Corporation North America Inc. Xylanases, nucleic acids encoding them and methods for making and using them
US9765319B2 (en) 2002-06-14 2017-09-19 Bp Corporation North America Inc. Xylanases, nucleic acids encoding them and methods for making and using them
US8043839B2 (en) 2006-02-14 2011-10-25 Verenium Corporation Xylanases, nucleic acids encoding them and methods for making and using them
USRE45660E1 (en) 2006-02-14 2015-09-01 Bp Corporation North America Inc. Xylanases, nucleic acids encoding them and methods for making and using them

Also Published As

Publication number Publication date
FI89814C (fi) 1993-11-25
EP0513140B1 (de) 1995-09-27
EP0513140B2 (de) 1998-03-18
FI900549A (fi) 1991-08-03
EP0513140A1 (de) 1992-11-19
FI89814B (fi) 1993-08-13
ES2079062T5 (es) 1998-07-16
DE69113444D1 (de) 1995-11-02
FI900549A0 (fi) 1990-02-02
JPH05509362A (ja) 1993-12-22
ATE128498T1 (de) 1995-10-15
ES2079062T3 (es) 1996-01-01
CA2075187A1 (en) 1991-08-03

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