NO942651D0 - Fremgangsmåte for bleking av papirmasse - Google Patents

Fremgangsmåte for bleking av papirmasse

Info

Publication number: NO942651D0
Authority: NO; Norway
Prior art keywords: bleaching pulp; bleaching; pulp
Prior art date: 1993-07-15

Application number

NO942651A

Other languages

English (en)

Other versions

NO942651L (no

Inventor

Pierre Ledoux

Rene Detroz

Eric De Buyl

Original Assignee

Solvay

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.)

1993-07-15

Filing date

1994-07-14

Publication date

1994-07-14

1994-07-14 Application filed by Solvay filed Critical Solvay

1994-07-14 Publication of NO942651D0 publication Critical patent/NO942651D0/no

1995-01-16 Publication of NO942651L publication Critical patent/NO942651L/no

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
- D21C9/147—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
- 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
- D21C9/147—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)
Paper (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Silver Salt Photography Or Processing Solution Therefor (AREA)

NO942651A 1993-07-15 1994-07-14 Fremgangsmåte for bleking av papirmasse NO942651L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE9300745A BE1007272A3 (fr)	1993-07-15	1993-07-15	Procede pour le blanchiment d'une pate a papier.

Publications (2)

Publication Number	Publication Date
NO942651D0 true NO942651D0 (no)	1994-07-14
NO942651L NO942651L (no)	1995-01-16

Family

ID=3887196

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO942651A NO942651L (no)	1993-07-15	1994-07-14	Fremgangsmåte for bleking av papirmasse

Country Status (11)

Country	Link
EP (1)	EP0634520A1 (no)
JP (1)	JPH0748792A (no)
AU (1)	AU682363B2 (no)
BE (1)	BE1007272A3 (no)
BR (1)	BR9402833A (no)
CA (1)	CA2127582A1 (no)
FI (1)	FI943388A (no)
NO (1)	NO942651L (no)
NZ (1)	NZ260982A (no)
YU (1)	YU45394A (no)
ZA (1)	ZA945110B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3610686B2 (ja) *	1996-07-31	2005-01-19	王子製紙株式会社	印刷用塗被紙の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5179021A (en) *	1989-02-10	1993-01-12	Gil Inc. (Now Ici Canada Inc.)	Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
DE4008893A1 (de) *	1990-03-20	1991-09-26	Call Hans Peter	Verfahren zum enzymatischen bleichen von zellstoffen
NZ239500A (en) *	1990-08-24	1993-08-26	Novo Nordisk As	Xylanases obtained from bacillus pumilus and use in a lignocellulosic chemical pulping process
DK30991D0 (da) *	1991-02-22	1991-02-22	Novo Nordisk As	Hidtil ukendte enzymer
AT400153B (de) *	1991-05-02	1995-10-25	Voest Alpine Ind Anlagen	Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien

1993
- 1993-07-15 BE BE9300745A patent/BE1007272A3/fr not_active IP Right Cessation
1994
- 1994-07-07 CA CA002127582A patent/CA2127582A1/fr not_active Abandoned
- 1994-07-11 EP EP94202003A patent/EP0634520A1/fr not_active Withdrawn
- 1994-07-12 NZ NZ260982A patent/NZ260982A/en unknown
- 1994-07-13 ZA ZA945110A patent/ZA945110B/xx unknown
- 1994-07-13 AU AU67431/94A patent/AU682363B2/en not_active Ceased
- 1994-07-14 NO NO942651A patent/NO942651L/no unknown
- 1994-07-15 JP JP6163768A patent/JPH0748792A/ja active Pending
- 1994-07-15 YU YU45394A patent/YU45394A/sh unknown
- 1994-07-15 BR BR9402833A patent/BR9402833A/pt not_active Application Discontinuation
- 1994-07-15 FI FI943388A patent/FI943388A/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
CA2127582A1 (fr)	1995-01-16
BR9402833A (pt)	1995-04-04
NZ260982A (en)	1994-12-22
AU6743194A (en)	1995-01-27
JPH0748792A (ja)	1995-02-21
FI943388A (fi)	1995-01-16
EP0634520A1 (fr)	1995-01-18
FI943388A0 (fi)	1994-07-15
NO942651L (no)	1995-01-16
YU45394A (sh)	1996-10-18
ZA945110B (en)	1995-02-23
AU682363B2 (en)	1997-10-02
BE1007272A3 (fr)	1995-05-09

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