NO984593D0 - FremgangsmÕte for bleking av kjemiske papirmasser - Google Patents

FremgangsmÕte for bleking av kjemiske papirmasser

Info

Publication number: NO984593D0
Authority: NO; Norway
Prior art keywords: chemical pulp; bleaching chemical; bleaching; pulp; chemical
Prior art date: 1997-10-03

Application number

NO984593A

Other languages

English (en)

Other versions

NO984593L (no

Inventor

Laurence Briois

Hervu Suty

Original Assignee

Atochem Elf Sa

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.)

1997-10-03

Filing date

1998-10-01

Publication date

1998-10-01

1998-10-01 Application filed by Atochem Elf Sa filed Critical Atochem Elf Sa

1998-10-01 Publication of NO984593D0 publication Critical patent/NO984593D0/no

1999-04-06 Publication of NO984593L publication Critical patent/NO984593L/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
- 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
- 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)
Paper (AREA)

NO984593A 1997-10-03 1998-10-01 FremgangsmÕte for bleking av kjemiske papirmasser NO984593L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9712367A FR2769327B1 (fr)	1997-10-03	1997-10-03	Procede de blanchiment de pates a papier chimiques

Publications (2)

Publication Number	Publication Date
NO984593D0 true NO984593D0 (no)	1998-10-01
NO984593L NO984593L (no)	1999-04-06

Family

ID=9511814

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO984593A NO984593L (no)	1997-10-03	1998-10-01	FremgangsmÕte for bleking av kjemiske papirmasser

Country Status (12)

Country	Link
EP (1)	EP0906987A1 (no)
JP (1)	JPH11152693A (no)
KR (1)	KR19990036671A (no)
CN (1)	CN1213722A (no)
AU (1)	AU8787798A (no)
BR (1)	BR9803865A (no)
CA (1)	CA2246569A1 (no)
FR (1)	FR2769327B1 (no)
ID (1)	ID21153A (no)
MA (1)	MA24659A1 (no)
NO (1)	NO984593L (no)
ZA (1)	ZA988300B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN101105011B (zh) *	2004-01-17	2010-05-12	梅秀泉	一种氧脱木素和漂白一体化制浆方法及实现该方法的装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2706673A (en) *	1951-10-19	1955-04-19	Elmer R Burling	Method of bleaching with chlorine dioxide
CA2116014A1 (en) *	1991-08-23	1993-03-04	Sudhir K. Mendiratta	Process for gas phase delignifying wood pulp
WO1996015317A1 (en) *	1994-11-10	1996-05-23	Olin Corporation	Process for gas phase chlorine dioxide delignification

1997
- 1997-10-03 FR FR9712367A patent/FR2769327B1/fr not_active Expired - Fee Related
1998
- 1998-09-03 EP EP98402178A patent/EP0906987A1/fr not_active Withdrawn
- 1998-09-10 ZA ZA988300A patent/ZA988300B/xx unknown
- 1998-09-24 KR KR1019980039686A patent/KR19990036671A/ko not_active Application Discontinuation
- 1998-09-25 CN CN98120727A patent/CN1213722A/zh active Pending
- 1998-09-29 MA MA25275A patent/MA24659A1/fr unknown
- 1998-10-01 JP JP10279873A patent/JPH11152693A/ja active Pending
- 1998-10-01 NO NO984593A patent/NO984593L/no not_active Application Discontinuation
- 1998-10-02 CA CA002246569A patent/CA2246569A1/fr not_active Abandoned
- 1998-10-02 BR BR9803865-6A patent/BR9803865A/pt unknown
- 1998-10-02 AU AU87877/98A patent/AU8787798A/en not_active Abandoned
- 1998-10-02 ID IDP981319A patent/ID21153A/id unknown

Also Published As

Publication number	Publication date
NO984593L (no)	1999-04-06
FR2769327B1 (fr)	1999-11-05
KR19990036671A (ko)	1999-05-25
CN1213722A (zh)	1999-04-14
AU8787798A (en)	1999-04-22
ZA988300B (en)	1999-03-11
ID21153A (id)	1999-04-29
MA24659A1 (fr)	1999-04-01
EP0906987A1 (fr)	1999-04-07
JPH11152693A (ja)	1999-06-08
BR9803865A (pt)	1999-12-07
CA2246569A1 (fr)	1999-04-03
FR2769327A1 (fr)	1999-04-09

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Legal Events

Date	Code	Title	Description
2001-07-23	FC2A	Withdrawal, rejection or dismissal of laid open patent application