NO905599D0 - Fremgangsmaate ved bleking av masse. - Google Patents

Fremgangsmaate ved bleking av masse.

Info

Publication number: NO905599D0
Authority: NO; Norway
Prior art keywords: wheating; procedure; mass
Prior art date: 1989-12-29

Application number

NO905599A

Other languages

English (en)

Other versions

NO176061B (no

NO905599L (no

NO176061C (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

1990-12-27

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

1990-12-27 Publication of NO905599D0 publication Critical patent/NO905599D0/no

1991-07-01 Publication of NO905599L publication Critical patent/NO905599L/no

1994-10-17 Publication of NO176061B publication Critical patent/NO176061B/no

1995-01-25 Publication of NO176061C publication Critical patent/NO176061C/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)

NO905599A 1989-12-29 1990-12-27 Fremgangsmåte ved bleking av masse av celluloseinneholdende fibermateriale NO176061C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8904403A SE467260B (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
NO905599D0 true NO905599D0 (no)	1990-12-27
NO905599L NO905599L (no)	1991-07-01
NO176061B NO176061B (no)	1994-10-17
NO176061C NO176061C (no)	1995-01-25

Family

ID=20377904

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO905599A NO176061C (no)	1989-12-29	1990-12-27	Fremgangsmåte ved bleking av masse av celluloseinneholdende fibermateriale

Country Status (9)

Country	Link
JP (1)	JPH04289288A (no)
AT (1)	AT396129B (no)
BR (1)	BR9006578A (no)
CA (1)	CA2031848C (no)
DE (1)	DE4039099C2 (no)
FI (1)	FI95291C (no)
FR (1)	FR2656634B1 (no)
NO (1)	NO176061C (no)
SE (1)	SE467260B (no)

Families Citing this family (13)

* 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
FI925558A7 (fi) *	1992-04-22	1993-10-23	Andritz Oy	Menetelmä ja laitteisto massan valkaisemiseksi
US5387317A (en) *	1993-01-28	1995-02-07	The Mead Corporation	Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
WO1997006304A1 (en) *	1995-08-10	1997-02-20	Sanyo Chemical Industries, Ltd.	Process for bleaching cellulose pulp
FR2743094B1 (fr) *	1995-12-27	1998-02-13	Centre Tech Ind Papier	Procede de blanchiment des pates a papier chimiques
ID23571A (id) *	1997-08-25	2000-05-04	Praxair Technology Inc	Metoda penerapan ozon dalam pemutihan ecf
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
AU8642698A (en) *	1998-07-31	2000-02-28	Asia Pulp & Paper Co Ltd	An improved method for bleaching pulp
JP2002069879A (ja) *	2000-09-04	2002-03-08	Nippon Paper Industries Co Ltd	セルロース質繊維材料のパルプの漂白方法
SE532470C2 (sv) *	2008-05-13	2010-02-02	Metso Paper Inc	Slutblekning av oxygendelignifierad massa med ozon, klordioxid och peroxid
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
CN111979823A (zh) *	2020-08-07	2020-11-24	齐鲁工业大学	一种硫酸盐木浆短程序ecf漂白工艺x/d-z-p（x/z-d-p）
CN111979818A (zh) *	2020-08-07	2020-11-24	齐鲁工业大学	一种硫酸盐木浆短程序ecf漂白工艺x/z/d-eop-d或x/d/z-eop-d

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 SE8904403A patent/SE467260B/sv unknown
1990
- 1990-12-07 DE DE4039099A patent/DE4039099C2/de not_active Expired - Fee Related
- 1990-12-10 CA CA002031848A patent/CA2031848C/en not_active Expired - Lifetime
- 1990-12-12 AT AT0251990A patent/AT396129B/de not_active IP Right Cessation
- 1990-12-26 BR BR909006578A patent/BR9006578A/pt not_active IP Right Cessation
- 1990-12-27 NO NO905599A patent/NO176061C/no not_active IP Right Cessation
- 1990-12-27 FI FI906400A patent/FI95291C/fi active IP Right Grant
- 1990-12-28 JP JP2415577A patent/JPH04289288A/ja active Pending
- 1990-12-28 FR FR9016500A patent/FR2656634B1/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FR2656634A1 (fr)	1991-07-05
SE467260B (sv)	1992-06-22
SE8904403D0 (sv)	1989-12-29
ATA251990A (de)	1992-10-15
SE8904403L (sv)	1991-06-30
BR9006578A (pt)	1991-10-01
FI95291B (fi)	1995-09-29
JPH04289288A (ja)	1992-10-14
AT396129B (de)	1993-06-25
CA2031848C (en)	1995-11-21
DE4039099C2 (de)	1994-01-27
NO176061B (no)	1994-10-17
FI906400A0 (fi)	1990-12-27
NO905599L (no)	1991-07-01
FR2656634B1 (fr)	1996-07-26
FI95291C (fi)	1996-01-10
CA2031848A1 (en)	1991-06-30
DE4039099A1 (de)	1991-07-04
NO176061C (no)	1995-01-25
FI906400L (fi)	1991-06-30

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Legal Events

Date	Code	Title	Description
2007-09-03	CREP	Change of representative	Representative=s name: ZACCO NORWAY AS, POSTBOKS 2003 VIKA, 0125 OSLO, NO
2011-01-17	MK1K	Patent expired