NO176060C - Fremgangsmåte ved bleking av masse av celluloseholdig fibermateriale - Google Patents

Fremgangsmåte ved bleking av masse av celluloseholdig fibermateriale

Info

Publication number: NO176060C
Authority: NO; Norway
Prior art keywords: fibrous material; cellulosic fibrous; bleaching pulp; bleaching; pulp
Prior art date: 1989-12-29

Application number

NO905598A

Other languages

English (en)

Other versions

NO176060B (no

NO905598L (no

NO905598D0 (no

Inventor

Charlotte Bosenius

Erik Nilsson

Petter Tibbling

Original Assignee

Kamyr Ab

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.)

1989-12-29

Filing date

1990-12-27

Publication date

1995-01-25

1990-12-27 Application filed by Kamyr Ab filed Critical Kamyr Ab

1990-12-27 Publication of NO905598D0 publication Critical patent/NO905598D0/no

1991-07-01 Publication of NO905598L publication Critical patent/NO905598L/no

1994-10-17 Publication of NO176060B publication Critical patent/NO176060B/no

1995-01-25 Publication of NO176060C publication Critical patent/NO176060C/no

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
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
- 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
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

NO905598A 1989-12-29 1990-12-27 Fremgangsmåte ved bleking av masse av celluloseholdig fibermateriale NO176060C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8904404A SE467261B (sv)	1989-12-29	1989-12-29	Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg

Publications (4)

Publication Number	Publication Date
NO905598D0 NO905598D0 (no)	1990-12-27
NO905598L NO905598L (no)	1991-07-01
NO176060B NO176060B (no)	1994-10-17
NO176060C true NO176060C (no)	1995-01-25

Family

ID=20377905

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO905598A NO176060C (no)	1989-12-29	1990-12-27	Fremgangsmåte ved bleking av masse av celluloseholdig fibermateriale

Country Status (9)

Country	Link
JP (1)	JP2934512B2 (no)
AT (1)	AT395444B (no)
BR (1)	BR9006579A (no)
CA (1)	CA2031850C (no)
DE (1)	DE4039294C2 (no)
FI (1)	FI95292C (no)
FR (1)	FR2656633B1 (no)
NO (1)	NO176060C (no)
SE (1)	SE467261B (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5322598A (en) *	1990-02-06	1994-06-21	Olin Corporation	Chlorine dioxide generation using inert load of sodium perchlorate
US6174409B1 (en)	1997-09-19	2001-01-16	American Air Liquide Inc.	Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process
SE522593C2 (sv) *	1999-07-06	2004-02-24	Kvaerner Pulping Tech	System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material
GB0322598D0 (en)	2003-09-26	2003-10-29	Victrex Mfg Ltd	Polymeric material
JP5987223B2 (ja) *	2012-03-06	2016-09-07	愛媛県	セルロース溶液の製造方法、セルロースの製造方法、セルロースの糖化方法
CN110656527A (zh) *	2019-09-12	2020-01-07	华南理工大学	一种臭氧和二氧化氯协同高效漂白中浓纸浆的方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1298875B (de) *	1965-01-09	1969-07-03	Gunnar Alexander Dipl Ing	Verfahren zum Bleichen von Zellstoff im chlorhaltigen Bleichbad und mit Ozon
US4080249A (en) *	1976-06-02	1978-03-21	International Paper Company	Delignification and bleaching of a lignocellulosic pulp slurry with ozone
US4902381A (en) *	1988-12-09	1990-02-20	Kamyr, Inc.	Method of bleaching pulp with ozone-chlorine mixtures
US4959124A (en) *	1989-05-05	1990-09-25	International Paper Company	Method of bleaching kraft pulp in a DZED sequence
FI89516B (fi) *	1989-05-10	1993-06-30	Ahlstroem Oy	Foerfarande foer blekning av cellulosamassa med otson

1989
- 1989-12-29 SE SE8904404A patent/SE467261B/sv unknown
1990
- 1990-12-09 DE DE4039294A patent/DE4039294C2/de not_active Expired - Fee Related
- 1990-12-10 CA CA002031850A patent/CA2031850C/en not_active Expired - Lifetime
- 1990-12-12 AT AT0251890A patent/AT395444B/de not_active IP Right Cessation
- 1990-12-26 BR BR909006579A patent/BR9006579A/pt not_active IP Right Cessation
- 1990-12-27 NO NO905598A patent/NO176060C/no unknown
- 1990-12-27 FI FI906401A patent/FI95292C/fi active IP Right Grant
- 1990-12-28 FR FR9016499A patent/FR2656633B1/fr not_active Expired - Fee Related
- 1990-12-28 JP JP2415578A patent/JP2934512B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FI906401A0 (fi)	1990-12-27
AT395444B (de)	1992-12-28
DE4039294C2 (de)	1993-11-11
SE8904404L (sv)	1991-06-30
SE8904404D0 (sv)	1989-12-29
JP2934512B2 (ja)	1999-08-16
ATA251890A (de)	1992-05-15
CA2031850C (en)	1995-11-21
FR2656633A1 (fr)	1991-07-05
NO176060B (no)	1994-10-17
SE467261B (sv)	1992-06-22
NO905598L (no)	1991-07-01
NO905598D0 (no)	1990-12-27
FI95292B (fi)	1995-09-29
DE4039294A1 (de)	1991-07-04
JPH04263687A (ja)	1992-09-18
CA2031850A1 (en)	1991-06-30
BR9006579A (pt)	1991-10-01
FR2656633B1 (fr)	1996-06-07
FI906401A (fi)	1991-06-30
FI95292C (fi)	1996-01-10

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