FI934036L - Förfarande för blekning av massa med klorfria kemikalier - Google Patents

Förfarande för blekning av massa med klorfria kemikalier Download PDF

Info

Publication number: FI934036L
Authority: FI; Finland
Prior art keywords: pulp; chlorine; bleached; bleaching pulp; cellulose
Prior art date: 1993-03-03

Application number

FI934036A

Other languages

English (en)

Finnish (fi)

Other versions

FI934036A0 (sv

FI98223B (sv

Inventor

Kaj Henricson

Original Assignee

Ahlstroem Oy

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.)

1993-03-03

Filing date

1993-09-15

Publication date

1994-09-04

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8537491&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI934036(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1993-09-15 Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy

1993-09-15 Priority to FI934036A priority Critical patent/FI98223B/sv

1993-09-15 Publication of FI934036A0 publication Critical patent/FI934036A0/sv

1994-09-04 Publication of FI934036L publication Critical patent/FI934036L/sv

1997-01-31 Application granted granted Critical

1997-01-31 Publication of FI98223B publication Critical patent/FI98223B/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
- D21C9/1026—Other features in bleaching processes
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
- 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
- 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
- D21C9/16—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)
Detergent Compositions (AREA)
Coloring Foods And Improving Nutritive Qualities (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

FI934036A 1993-03-03 1993-09-15 Förfarande för blekning av massa med klorfria kemikalier FI98223B (sv)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FI934036A FI98223B (sv)	1993-03-03	1993-09-15	Förfarande för blekning av massa med klorfria kemikalier

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
FI930954		1993-03-03
FI930954A FI93232C (sv)	1993-03-03	1993-03-03	Förfarande för blekning av massa med klorfria kemikalier
FI934036A FI98223B (sv)	1993-03-03	1993-09-15	Förfarande för blekning av massa med klorfria kemikalier
FI934036		1993-09-15

Publications (3)

Publication Number	Publication Date
FI934036A0 FI934036A0 (sv)	1993-09-15
FI934036L true FI934036L (sv)	1994-09-04
FI98223B FI98223B (sv)	1997-01-31

Family

ID=8537491

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
FI930954A FI93232C (sv)	1993-03-03	1993-03-03	Förfarande för blekning av massa med klorfria kemikalier
FI954093A FI954093A7 (sv)	1993-03-03	1993-05-25	Förfarande för behandling av en massa med klorfria kemikalier
FI934036A FI98223B (sv)	1993-03-03	1993-09-15	Förfarande för blekning av massa med klorfria kemikalier

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
FI930954A FI93232C (sv)	1993-03-03	1993-03-03	Förfarande för blekning av massa med klorfria kemikalier
FI954093A FI954093A7 (sv)	1993-03-03	1993-05-25	Förfarande för behandling av en massa med klorfria kemikalier

Country Status (13)

Country	Link
EP (2)	EP0884415B1 (sv)
JP (1)	JP3276083B2 (sv)
AT (2)	ATE176808T1 (sv)
AU (1)	AU5370594A (sv)
BR (1)	BR9307858A (sv)
CA (1)	CA2157109C (sv)
DE (2)	DE69323566T2 (sv)
ES (2)	ES2186948T3 (sv)
FI (3)	FI93232C (sv)
NO (1)	NO953444L (sv)
PT (1)	PT884415E (sv)
RU (1)	RU2126471C1 (sv)
WO (1)	WO1994020673A1 (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI89516B (fi)	1989-05-10	1993-06-30	Ahlstroem Oy	Foerfarande foer blekning av cellulosamassa med otson
FI103818B1 (sv) *	1995-02-21	1999-09-30	Ahlstrom Machinery Oy	Massablekningsförfarande
US20080110584A1 (en) *	2006-11-15	2008-05-15	Caifang Yin	Bleaching process with at least one extraction stage
FR2910027B1 (fr) *	2006-12-13	2009-11-06	Itt Mfg Enterprises Inc	Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
FI119062B (sv) *	2006-12-28	2008-07-15	Upm Kymmene Corp	Förfarande för tillverkning av mekanisk massa
MX382646B (es)	2009-05-28	2025-03-13	Gp Cellulose Gmbh	Celulosa modificada a partir de fibra kraft química y métodos para elaborarla y su uso.
CN103703184B (zh)	2011-05-23	2016-09-07	Gp纤维素股份有限公司	具有改进的白度和亮度的针叶树材牛皮纸纤维及其制造和使用方法
WO2013106703A1 (en)	2012-01-12	2013-07-18	Georgia-Pacific Consumer Products Lp	A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same
CN106968127B (zh)	2012-04-18	2019-03-01	Gp纤维素股份有限公司	用于粘胶溶液的针叶木牛皮纸浆
EP2954115B1 (en)	2013-02-08	2022-01-12	GP Cellulose GmbH	Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
BR112015019882A2 (pt)	2013-03-14	2017-07-18	Gp Cellulose Gmbh	fibra kraft clareada oxidada e métodos para fazer polpa kraft e fibra kraft de madeira macia e para clarear polpa kraft de celulose em sequência de branqueamento de multi-estágios
AU2014229512B2 (en)	2013-03-15	2017-06-22	Gp Cellulose Gmbh	A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
FR3007044B1 (fr) *	2013-06-13	2016-01-15	Air Liquide	Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium
AT515152B1 (de) *	2013-11-26	2015-12-15	Chemiefaser Lenzing Ag	Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose
WO2018093697A1 (en)	2016-11-16	2018-05-24	Gp Cellulose Gmbh	Modified cellulose from chemical fiber and methods of making and using the same
SE2051513A1 (en) *	2020-12-21	2022-03-08	Valmet Oy	Method for bleaching pulp from recycled textile material
SE545759C2 (en) *	2022-06-20	2024-01-02	Valmet Oy	Method for bleaching pulp from recycled textile material

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NO144711C (no) *	1978-04-04	1981-10-21	Myrens Verksted As	Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
US4310384A (en) *	1979-01-11	1982-01-12	Weyerhaeuser Company	Reducing chemical transfer between treatment stages
FI74752C (sv) *	1986-03-20	1992-12-01	Ahlstroem Oy	Förfarande och anordning för tvättning av cellulosa
DE402335T1 (de) *	1989-06-06	1992-04-09	Eka Nobel Ab, Surte	Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
SU1675451A1 (ru) *	1989-09-25	1991-09-07	Центральный научно-исследовательский институт бумаги	Способ подготовки волокнистого полуфабриката к отливу бумажного полотна при изготовлении бумаги
AU636173B2 (en) *	1989-10-30	1993-04-22	Lenzing Aktiengesellschaft	Method for the chlorine-free bleaching of pulps
US5567262A (en) *	1991-04-16	1996-10-22	Ahlstrom Machinery Inc.	Two stage pressure diffuser
SE468355B (sv) *	1991-04-30	1992-12-21	Eka Nobel Ab	Blekning av kemisk massa genom behandling med komplexbildare och ozon
AT400153B (de) *	1991-05-02	1995-10-25	Voest Alpine Ind Anlagen	Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien

1993
- 1993-03-03 FI FI930954A patent/FI93232C/sv active
- 1993-05-25 WO PCT/FI1993/000222 patent/WO1994020673A1/en not_active Ceased
- 1993-05-25 FI FI954093A patent/FI954093A7/sv not_active IP Right Cessation
- 1993-05-25 PT PT98113684T patent/PT884415E/pt unknown
- 1993-05-25 JP JP51962394A patent/JP3276083B2/ja not_active Expired - Fee Related
- 1993-05-25 EP EP98113684A patent/EP0884415B1/en not_active Expired - Lifetime
- 1993-05-25 ES ES98113684T patent/ES2186948T3/es not_active Expired - Lifetime
- 1993-05-25 EP EP93910051A patent/EP0687321B1/en not_active Expired - Lifetime
- 1993-05-25 DE DE69323566T patent/DE69323566T2/de not_active Expired - Fee Related
- 1993-05-25 AT AT93910051T patent/ATE176808T1/de not_active IP Right Cessation
- 1993-05-25 RU RU95122814A patent/RU2126471C1/ru active
- 1993-05-25 CA CA002157109A patent/CA2157109C/en not_active Expired - Fee Related
- 1993-05-25 AU AU53705/94A patent/AU5370594A/en not_active Abandoned
- 1993-05-25 AT AT98113684T patent/ATE228181T1/de not_active IP Right Cessation
- 1993-05-25 BR BR9307858A patent/BR9307858A/pt not_active IP Right Cessation
- 1993-05-25 ES ES93910051T patent/ES2130260T3/es not_active Expired - Lifetime
- 1993-05-25 DE DE69332508T patent/DE69332508T2/de not_active Expired - Fee Related
- 1993-09-15 FI FI934036A patent/FI98223B/sv not_active IP Right Cessation
1995
- 1995-09-01 NO NO953444A patent/NO953444L/no unknown

Also Published As

Publication number	Publication date
BR9307858A (pt)	1996-02-27
AU5370594A (en)	1994-09-26
EP0884415B1 (en)	2002-11-20
NO953444L (no)	1995-10-19
DE69323566D1 (de)	1999-03-25
JPH08509781A (ja)	1996-10-15
ES2186948T3 (es)	2003-05-16
FI934036A0 (sv)	1993-09-15
FI954093A0 (sv)	1995-08-30
PT884415E (pt)	2003-03-31
RU2126471C1 (ru)	1999-02-20
FI930954A0 (sv)	1993-03-03
DE69332508T2 (de)	2003-07-03
JP3276083B2 (ja)	2002-04-22
NO953444D0 (no)	1995-09-01
FI930954L (sv)	1994-09-04
FI93232B (sv)	1994-11-30
ES2130260T3 (es)	1999-07-01
WO1994020673A1 (en)	1994-09-15
ATE176808T1 (de)	1999-03-15
DE69332508D1 (de)	2003-01-02
ATE228181T1 (de)	2002-12-15
FI93232C (sv)	1995-03-10
DE69323566T2 (de)	1999-07-15
EP0687321B1 (en)	1999-02-17
CA2157109C (en)	2002-09-03
EP0884415A1 (en)	1998-12-16
FI954093A7 (sv)	1995-10-17
CA2157109A1 (en)	1994-09-15
EP0687321A1 (en)	1995-12-20
FI98223B (sv)	1997-01-31

Publication	Publication Date	Title
FI934036L (sv)	1994-09-04	Förfarande för blekning av massa med klorfria kemikalier
BR9201554A (pt)	1992-12-01	Processo para a deslignificacao e alvejamento de polpa contendo ligno-celulose quimicamente digerida
BR9201553A (pt)	1992-12-01	Processo para a deslignificacao e alvejamento de polpa contendo ligno-celulose quimicamente digerida
FR2457339B1 (sv)	1982-09-17
BR9307521A (pt)	1999-08-31	Processo para a deslignificação e alvejamento de polpa contendo lignocelulose
NZ237866A (en)	1992-11-25	Process for delignifying and bleaching cellulose pulp wherein there is a reduced formation and discharge of halogenated organic compounds in the waste liquor; pulp treated with a trace metal complexing agent and then with a peroxide agent
PT734470E (pt)	2002-07-31	Processo para a fabricacao de pasta de celulose branqueada
SE9700992D0 (sv)	1997-03-18	Method of bleaching kraft pulp
US5741398A (en)	1998-04-21	Method of removing metal ions dissolved in the bleach plant waste water
NO306737B1 (no)	1999-12-13	Fremgangsmåte ved bleking av lignocelluloseholdig masse
FI934056L (sv)	1995-03-16	Förfarande för blekning av massa
SE501253E8 (sv)	1994-12-19	Klorfri blekning av kemisk pappersmassa
RU2123552C1 (ru)	1998-12-20	Способ отбелки целлюлозы
SE9600773L (sv)	1996-04-18	Medelkonsistens-ljushetsförbättring med ozon av h ögkonsistens-ozonblekt massa
RU93031029A (ru)	1995-12-10	Способ получения беленой целлюлозы
SE9203366D0 (sv)	1992-11-11	Foerfarande vid delignifiering och/eller blekning av cellulosamassa
SE9203121L (sv)	1994-04-27	Blekning av sulfatmassa med peroxid-ozon-peroxid
SE9303233L (sv)	1994-10-10	Klorfri blekning av kemisk pappersmassa

Legal Events

Date	Code	Title	Description
1997-01-07	BB	Publication of examined application
1997-01-08	GB	Transfer or assigment of application	Owner name: AHLSTROM MACHINERY OY
2004-09-30	MA	Patent expired