FI905954A - Foerfarande foer blekning av cellulosamassa. - Google Patents

Foerfarande foer blekning av cellulosamassa. Download PDF

Info

Publication number
FI905954A
FI905954A FI905954A FI905954A FI905954A FI 905954 A FI905954 A FI 905954A FI 905954 A FI905954 A FI 905954A FI 905954 A FI905954 A FI 905954A FI 905954 A FI905954 A FI 905954A
Authority
FI
Finland
Prior art keywords
cellulosamassa
foerfarande foer
blekning
foer blekning
foerfarande
Prior art date
Application number
FI905954A
Other languages
English (en)
Other versions
FI905954A0 (fi
Inventor
Marja Vaheri
Outi Piirainen
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
Application filed by Enso Gutzeit Oy filed Critical Enso Gutzeit Oy
Priority to FI905954A priority Critical patent/FI905954A/fi
Publication of FI905954A0 publication Critical patent/FI905954A0/fi
Priority to PCT/FI1991/000329 priority patent/WO1992009741A1/en
Publication of FI905954A publication Critical patent/FI905954A/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
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
FI905954A 1990-12-03 1990-12-03 Foerfarande foer blekning av cellulosamassa. FI905954A (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI905954A FI905954A (fi) 1990-12-03 1990-12-03 Foerfarande foer blekning av cellulosamassa.
PCT/FI1991/000329 WO1992009741A1 (en) 1990-12-03 1991-10-31 Method for bleaching pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI905954A FI905954A (fi) 1990-12-03 1990-12-03 Foerfarande foer blekning av cellulosamassa.

Publications (2)

Publication Number Publication Date
FI905954A0 FI905954A0 (fi) 1990-12-03
FI905954A true FI905954A (fi) 1992-06-04

Family

ID=8531508

Family Applications (1)

Application Number Title Priority Date Filing Date
FI905954A FI905954A (fi) 1990-12-03 1990-12-03 Foerfarande foer blekning av cellulosamassa.

Country Status (2)

Country Link
FI (1) FI905954A (fi)
WO (1) WO1992009741A1 (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2115881C (en) * 1993-02-25 2000-05-23 Michael G. Paice Non-chlorine bleaching of kraft pulp
DE69903025D1 (de) 1998-04-16 2002-10-24 Pulp Paper Res Inst Verfahren zur zellstoff- und farbstoffoxidation mittels oxidase
DE19909546C1 (de) * 1999-03-04 2000-06-29 Consortium Elektrochem Ind Mehrkomponentensystem zur enzymkatalysierten Oxidation von Substraten sowie Verfahren zur enzymkatalysierten Oxidation
US7138035B2 (en) 2001-05-08 2006-11-21 National Starch And Chemical Investment Holding Corporation Process for the selective modification of carbohydrates by peroxidase catalyzed oxidation
AU2002336917B2 (en) * 2001-10-23 2007-08-23 Novozymes A/S Oxidizing enzymes in the manufacture of paper materials
CA2607827C (en) 2005-05-04 2013-11-19 Novozymes North America, Inc. Chlorine dioxide treatment compositions and processes
US9051692B2 (en) 2009-01-06 2015-06-09 Enzymatic Deinking Technologies, L.L.C. Method of increasing enzyme stability and activity for pulp and paper production
CN116219785B (zh) * 2023-02-27 2024-07-09 安徽金坤达包装集团有限公司 一种锰氧化物耦合漆酶原位降解木质素的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636208A1 (de) * 1986-10-24 1988-05-05 Call Hans Peter Verfahren zur delignifizierung und bleichung von lignicellulosehaltigem bzw. ligninhaltigem material bzw. lignin durch enzymatische behandlung
ZA894239B (en) * 1988-06-08 1990-03-28 Int Paper Co Enzymatic delignification of lignocellulosic material

Also Published As

Publication number Publication date
WO1992009741A1 (en) 1992-06-11
FI905954A0 (fi) 1990-12-03

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Legal Events

Date Code Title Description
FD Application lapsed
FD Application lapsed

Owner name: ENSO-GUTZEIT OY