[go: up one dir, main page]

FI905954A7 - Method for bleaching cellulose pulp - Google Patents

Method for bleaching cellulose pulp Download PDF

Info

Publication number
FI905954A7
FI905954A7 FI905954A FI905954A FI905954A7 FI 905954 A7 FI905954 A7 FI 905954A7 FI 905954 A FI905954 A FI 905954A FI 905954 A FI905954 A FI 905954A FI 905954 A7 FI905954 A7 FI 905954A7
Authority
FI
Finland
Prior art keywords
cellulose pulp
bleaching cellulose
bleaching
pulp
cellulose
Prior art date
Application number
FI905954A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI905954L (en
FI905954A0 (en
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/FI905954A7/en
Publication of FI905954A0 publication Critical patent/FI905954A0/en
Priority to PCT/FI1991/000329 priority patent/WO1992009741A1/en
Publication of FI905954L publication Critical patent/FI905954L/en
Publication of FI905954A7 publication Critical patent/FI905954A7/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
    • D21C9/12—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 Method for bleaching cellulose pulp FI905954A7 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI905954A FI905954A7 (en) 1990-12-03 1990-12-03 Method for bleaching cellulose pulp
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 FI905954A7 (en) 1990-12-03 1990-12-03 Method for bleaching cellulose pulp

Publications (3)

Publication Number Publication Date
FI905954A0 FI905954A0 (en) 1990-12-03
FI905954L FI905954L (en) 1992-06-04
FI905954A7 true FI905954A7 (en) 1992-06-04

Family

ID=8531508

Family Applications (1)

Application Number Title Priority Date Filing Date
FI905954A FI905954A7 (en) 1990-12-03 1990-12-03 Method for bleaching cellulose pulp

Country Status (2)

Country Link
FI (1) FI905954A7 (en)
WO (1) WO1992009741A1 (en)

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
ES2184432T3 (en) 1998-04-16 2003-04-01 Pulp Paper Res Inst PROCEDURE WITH OXIDASE FOR OXIDATION OF WOODEN PASTE AND COLORS.
DE19909546C1 (en) * 1999-03-04 2000-06-29 Consortium Elektrochem Ind Enzymatic oxidation system, e.g. for lignin oxidation, bleaching, chemical synthesis or waste water treatment, comprises a manganese oxidase, an oxidizing agent and manganese ions
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
WO2003035972A1 (en) * 2001-10-23 2003-05-01 Novozymes A/S Oxidizing enzymes in the manufacture of paper materials
EP1880053B1 (en) * 2005-05-04 2019-07-31 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 (en) * 2023-02-27 2024-07-09 安徽金坤达包装集团有限公司 Method for degrading lignin in situ by manganese oxide coupling laccase

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636208A1 (en) * 1986-10-24 1988-05-05 Call Hans Peter METHOD FOR DELIGNIFYING AND WHICH BLEACHING LIGNICELLULOSE-CONTAINING OR LIGNINAL MATERIAL OR LIGNIN BY ENZYMATIC TREATMENT
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
FI905954L (en) 1992-06-04
FI905954A0 (en) 1990-12-03

Similar Documents

Publication Publication Date Title
FI890700L (en) Method for bleaching cellulose pulp
FI915591L (en) Method for making paper pulp
FI941764A7 (en) Method for bleaching lignocellulosic pulp
FI962477A7 (en) Method for producing bleached cellulose pulp
FI944318L (en) Method for bleaching hardwood pulp
FI932848A7 (en) Method for bleaching paper pulp
FI906400L (en) Pulp bleaching method
FI944348L (en) Method for bleaching kraft pulp
FI911963A7 (en) Method for bleaching pulp
FI924169A7 (en) Method for enzymatic bleaching of pulp
FI931710A7 (en) Method for bleaching de-inked pulp
FI905954A7 (en) Method for bleaching cellulose pulp
FI904456A7 (en) Method for bleaching pulp
FI905456A7 (en) Method for bleaching cellulose pulp
FI915070A7 (en) Pulp bleaching solution
FI906401A0 (en) Pulp bleaching method
FI964715L (en) Method for bleaching cellulose pulp
FI960972A0 (en) Method for bleaching lignocellulosic pulp
FI974284L (en) Cellulose pulp bleaching method
FI942424L (en) Improved method for pulp bleaching
FI934705A7 (en) Method for bleaching lignocellulosic pulp
FI951166A7 (en) Pulp bleaching method
FI895588A7 (en) Method for bleaching cellulose
FI923798A7 (en) Method for bleaching pulp
FI922945A7 (en) Method for bleaching pulp

Legal Events

Date Code Title Description
FD Application lapsed
FD Application lapsed

Owner name: ENSO-GUTZEIT OY