FI906401L - Sätt att bleka massa - Google Patents

Sätt att bleka massa Download PDF

Info

Publication number: FI906401L
Authority: FI; Finland
Prior art keywords: pulp bleaching; bleaching method; pulp; bleaching
Prior art date: 1989-12-29

Application number

FI906401A

Other languages

English (en)

Finnish (fi)

Other versions

FI906401A0 (sv

FI95292B (sv

FI95292C (sv

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

1991-06-30

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

1990-12-27 Publication of FI906401A0 publication Critical patent/FI906401A0/sv

1991-06-30 Publication of FI906401L publication Critical patent/FI906401L/sv

1995-09-29 Publication of FI95292B publication Critical patent/FI95292B/sv

1996-01-10 Application granted granted Critical

1996-01-10 Publication of FI95292C publication Critical patent/FI95292C/sv

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)

FI906401A 1989-12-29 1990-12-27 Sätt att bleka massa FI95292C (sv)

Applications Claiming Priority (2)

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
SE8904404		1989-12-29

Publications (4)

Publication Number	Publication Date
FI906401A0 FI906401A0 (sv)	1990-12-27
FI906401L true FI906401L (sv)	1991-06-30
FI95292B FI95292B (sv)	1995-09-29
FI95292C FI95292C (sv)	1996-01-10

Family

ID=20377905

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI906401A FI95292C (sv)	1989-12-29	1990-12-27	Sätt att bleka massa

Country Status (9)

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

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 FI FI906401A patent/FI95292C/sv active IP Right Grant
- 1990-12-27 NO NO905598A patent/NO176060C/no unknown
- 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
DE4039294C2 (de)	1993-11-11
NO905598D0 (no)	1990-12-27
FI906401A0 (sv)	1990-12-27
FI95292B (sv)	1995-09-29
JP2934512B2 (ja)	1999-08-16
BR9006579A (pt)	1991-10-01
CA2031850C (en)	1995-11-21
NO176060C (no)	1995-01-25
CA2031850A1 (en)	1991-06-30
AT395444B (de)	1992-12-28
NO905598L (no)	1991-07-01
SE467261B (sv)	1992-06-22
DE4039294A1 (de)	1991-07-04
SE8904404L (sv)	1991-06-30
ATA251890A (de)	1992-05-15
JPH04263687A (ja)	1992-09-18
NO176060B (no)	1994-10-17
FR2656633A1 (fr)	1991-07-05
FI95292C (sv)	1996-01-10
FR2656633B1 (fr)	1996-06-07
SE8904404D0 (sv)	1989-12-29

Publication	Publication Date	Title
FI102194B1 (sv)	1998-10-30	Förfarande för blekning av massa utan klor
FI906303A7 (sv)	1990-12-20	Pappersframställningsförfarande
FI914538A7 (sv)	1991-09-26	Förbättrat förfarande för framställning av massa
FI890772L (sv)	1989-02-17	Blekningsförfarande
FI890700L (sv)	1990-08-15	Förfarande för blekning av cellulosamassa
FI905299A7 (sv)	1990-10-26	Massabehandlingsförfaranden
FI950526L (sv)	1995-02-07	Förfarande i samband med massablekning
FI941764L (sv)	1994-10-21	Förfarande för blekning av lignocellulosahaltig massa
FI92414B (sv)	1994-07-29	Förfarande för tillverkning av massa
FI906400A0 (sv)	1990-12-27	Sätt att bleka massa
FI944318A7 (sv)	1994-11-16	Förfarande för blekning av lövvedsmassa
DE69024334T3 (de)	2004-10-21	Bleichmittel
FI911963A7 (sv)	1991-10-26	Förfarande för blekning av massa
FI931710A7 (sv)	1993-10-16	Förfarande för blekning av avfärgad massa
FI904456A7 (sv)	1991-03-13	Förfarande för blekning av cellulosa
FI906401A0 (sv)	1990-12-27	Sätt att bleka massa
FI905954A7 (sv)	1992-06-04	Förfarande för blekning av cellulosamassa
FI915070A7 (sv)	1992-05-10	Blekningslösning för pappersmassa
FI884881A7 (sv)	1989-04-23	Förfarande för blekning av massa
FI922025A7 (sv)	1992-05-05	Metod för framställning av cellulosamassa
FI905456A7 (sv)	1992-05-03	Förfarande för blekning av cellulosamassa
FI884558A7 (sv)	1989-04-06	Förfarande för blekning av mekanisk massa.
FI960972A0 (sv)	1996-03-01	Förfarande för blekning av en lignocellulosamäld
FI881930A7 (sv)	1988-04-25	Massablekningsförfarande.
FI942424L (sv)	1994-11-27	Förbättrat förfarande för blekning av pappersmassa

Legal Events

Date	Code	Title	Description
1994-12-29	HC	Name/ company changed in application	Owner name: KVAERNER PULPING TECHNOLOGIES AKTIEBOLAG
1995-09-01	BB	Publication of examined application
2004-08-31	FG	Patent granted	Owner name: KVAERNER PULPING AB
2007-07-13	PC	Transfer of assignment of patent	Owner name: METSO FIBER KARLSTAD AB Free format text: METSO FIBER KARLSTAD AB