FI905954A - Foerfarande foer blekning av cellulosamassa. - Google Patents

Foerfarande foer blekning av cellulosamassa. Download PDF

Info

Publication number: FI905954A
Authority: FI; Finland
Prior art keywords: cellulosamassa; foerfarande foer; blekning; foer blekning; foerfarande
Prior art date: 1990-12-03

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.)

1990-12-03

Filing date

1990-12-03

Publication date

1992-06-04

1990-12-03 Application filed by Enso Gutzeit Oy filed Critical Enso Gutzeit Oy

1990-12-03 Priority to FI905954A priority Critical patent/FI905954A/fi

1990-12-03 Publication of FI905954A0 publication Critical patent/FI905954A0/fi

1991-10-31 Priority to PCT/FI1991/000329 priority patent/WO1992009741A1/en

1992-06-04 Publication of FI905954A publication Critical patent/FI905954A/fi

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)
Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Microbiology (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (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
EP1082486B1 (en)	1998-04-16	2002-09-18	Pulp and Paper Research Institute of Canada	Oxidase process for pulp and dye oxidation
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
CN101171386B (zh)	2005-05-04	2011-11-16	诺维信北美公司	二氧化氯处理组合物和方法
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

1990
- 1990-12-03 FI FI905954A patent/FI905954A/fi not_active Application Discontinuation
1991
- 1991-10-31 WO PCT/FI1991/000329 patent/WO1992009741A1/en unknown

Also Published As

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

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Legal Events

Date	Code	Title	Description
1994-03-24	FD	Application lapsed
2004-08-31	FD	Application lapsed	Owner name: ENSO-GUTZEIT OY