BR9201554A - Processo para a deslignificacao e alvejamento de polpa contendo ligno-celulose quimicamente digerida - Google Patents

Processo para a deslignificacao e alvejamento de polpa contendo ligno-celulose quimicamente digerida

Info

Publication number: BR9201554A
Authority: BR; Brazil
Prior art keywords: pulp; chlorine; designification; cellulosis; ligno
Prior art date: 1991-04-30

Application number

BR929201554A

Other languages

English (en)

Inventor

Lennart Andersson

Jiri Basta

Lilemor Holtinger

Jan Hook

Original Assignee

Eka Nobel 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.)

1991-04-30

Filing date

1992-04-28

Publication date

1992-12-01

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20382601&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9201554(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1992-04-28 Application filed by Eka Nobel Ab filed Critical Eka Nobel Ab

1992-12-01 Publication of BR9201554A publication Critical patent/BR9201554A/pt

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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Processes Of Treating Macromolecular Substances (AREA)
Compositions Of Macromolecular Compounds (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Investigating Or Analysing Biological Materials (AREA)
Materials For Medical Uses (AREA)
Noodles (AREA)

BR929201554A 1991-04-30 1992-04-28 Processo para a deslignificacao e alvejamento de polpa contendo ligno-celulose quimicamente digerida BR9201554A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9101301A SE470065C (sv)	1991-04-30	1991-04-30	Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning

Publications (1)

Publication Number	Publication Date
BR9201554A true BR9201554A (pt)	1992-12-01

Family

ID=20382601

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR929201554A BR9201554A (pt)	1991-04-30	1992-04-28	Processo para a deslignificacao e alvejamento de polpa contendo ligno-celulose quimicamente digerida

Country Status (14)

Country	Link
EP (2)	EP0679760B1 (pt)
JP (1)	JP2592747B2 (pt)
AT (2)	ATE141971T1 (pt)
BR (1)	BR9201554A (pt)
CA (1)	CA2067296C (pt)
DE (2)	DE69213080D1 (pt)
ES (1)	ES2091395T3 (pt)
FI (1)	FI111964B (pt)
MX (1)	MX9201966A (pt)
NO (1)	NO180495C (pt)
NZ (1)	NZ242465A (pt)
RU (1)	RU2039141C1 (pt)
SE (1)	SE470065C (pt)
ZA (1)	ZA923073B (pt)

Families Citing this family (37)

* 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
US6398908B1 (en)	1991-04-30	2002-06-04	Eka Nobel Ab	Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
SE500353C2 (sv) *	1992-10-26	1994-06-06	Sca Wifsta Oestrand Ab	Peroxidblekning av sulfatmassa med tillsats av magnesium före blekningen
SE512137C2 (sv) *	1992-10-29	2000-01-31	Eka Chemicals Ab	Förfarande för blekning av lignocellulosahaltig massa
SE9203366L (sv) *	1992-11-11	1994-05-12	Mo Och Domsjoe Ab	Förfarande vid delignifiering och/eller blekning av cellulosamassa
US6007678A (en) *	1992-11-27	1999-12-28	Eka Nobel Ab	Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof
ATE184060T1 (de) *	1993-04-20	1999-09-15	Eka Chemicals Ab	Verfahren zum bleichen von lignozellulose- enthaltendem zellstoff
SE9301960L (sv) *	1993-06-08	1994-07-25	Kvaerner Pulping Tech	Blekning av kemisk massa med peroxid vid övertryck
US6605181B1 (en) *	1993-10-01	2003-08-12	Kvaerner Pulping Aktiebolag	Peroxide bleach sequence including an acidic bleach stage and including a wash stage
BE1007757A3 (fr) *	1993-11-10	1995-10-17	Solvay Interox	Procede pour le blanchiment d'une pate a papier chimique.
FI102301B (fi) *	1994-10-13	1998-11-13	Andritz Oy	Menetelmä selluloosamassojen käsittelemiseksi
US6776876B1 (en)	1994-10-13	2004-08-17	Andritz Oy	Method of treating cellulosic pulp to remove hexenuronic acid
DE19516151A1 (de)	1995-05-03	1996-11-07	Sven Siegle	Verfahren zur Herstellung einer Pulpe aus zellulosehaltigem Material, die Pulpe selbst und deren Verwendung
FI105701B (fi)	1995-10-20	2000-09-29	Ahlstrom Machinery Oy	Menetelmä ja laitteisto massan käsittelemiseksi
JPH108092A (ja) *	1996-06-21	1998-01-13	Mitsubishi Paper Mills Ltd	過酸化物漂白用安定化剤及びそれを用いた繊維系物質の漂白方法
BE1010679A3 (fr) *	1996-10-11	1998-11-03	Solvay Interox	Procede de delignification et de blanchiment de pate a papier chimique.
ID23571A (id) *	1997-08-25	2000-05-04	Praxair Technology Inc	Metoda penerapan ozon dalam pemutihan ecf
RU2164571C1 (ru) *	2000-06-27	2001-03-27	Камский целлюлозно-бумажный комбинат	Способ получения беленой сульфитной целлюлозы на магниевом основании
JP2002266272A (ja) *	2001-03-12	2002-09-18	Nippon Paper Industries Co Ltd	セルロース質繊維材料パルプの漂白方法
US6743332B2 (en) *	2001-05-16	2004-06-01	Weyerhaeuser Company	High temperature peroxide bleaching of mechanical pulps
KR100547491B1 (ko) *	2005-04-27	2006-01-31	이권혁	대나무를 이용하여 생산하는 섬유용 펄프의 제조방법 및 그 펄프
US9512237B2 (en)	2009-05-28	2016-12-06	Gp Cellulose Gmbh	Method for inhibiting the growth of microbes with a modified cellulose fiber
US9511167B2 (en)	2009-05-28	2016-12-06	Gp Cellulose Gmbh	Modified cellulose from chemical kraft fiber and methods of making and using the same
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.
US9512563B2 (en)	2009-05-28	2016-12-06	Gp Cellulose Gmbh	Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
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
WO2014052763A1 (en) *	2012-09-27	2014-04-03	Andritz Inc.	Chemical treatment of lignocellulosic fiber bundle material, and methods and systems relating thereto
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
CA2989264A1 (en) *	2015-09-30	2017-04-06	Imerys Minerals Limited	Methods for bleaching aqueous pulps and compositions for use in these methods
WO2018093697A1 (en)	2016-11-16	2018-05-24	Gp Cellulose Gmbh	Modified cellulose from chemical fiber and methods of making and using the same
WO2021209586A1 (en) *	2020-04-16	2021-10-21	Bim Kemi Ab	Delignification process
SE2051513A1 (en) *	2020-12-21	2022-03-08	Valmet Oy	Method for bleaching pulp from recycled textile material
WO2026017672A1 (en) *	2024-07-18	2026-01-22	Lenzing Aktiengesellschaft	Method for stabilizing of a bleaching stage for a polysaccharide material using an alkaline waste liquid

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3507744A (en) *	1966-04-01	1970-04-21	Kimberly Clark Co	Wood pulp bleaching process utilizing peroxide pyrophosphate high concentration compositions
SE335053B (pt) *	1969-05-13	1971-05-10	Mo Och Domsjoe Ab
DE2742262C2 (de) *	1977-09-20	1982-06-09	Degussa Ag, 6000 Frankfurt	Verfahren zur Herstellung eines mittel- bis hochviskosen Nadelholz-Sulfitzellstoffs
FR2520397A1 (fr) *	1982-01-28	1983-07-29	Centre Tech Ind Papier	Procede pour le traitement de pates papetieres chimiques
FR2557605B1 (fr) *	1983-12-29	1987-12-11	Atochem	Procede de blanchiment de pates papetieres par le peroxyde d'hydrogene
JPH0364589A (ja) *	1989-07-28	1991-03-19	Mitsubishi Gas Chem Co Inc	化学パルプの漂白方法

1991
- 1991-04-30 SE SE9101301A patent/SE470065C/sv not_active IP Right Cessation
1992
- 1992-04-08 DE DE69213080T patent/DE69213080D1/de not_active Expired - Lifetime
- 1992-04-08 AT AT92201005T patent/ATE141971T1/de not_active IP Right Cessation
- 1992-04-08 AT AT94203640T patent/ATE173518T1/de not_active IP Right Cessation
- 1992-04-08 EP EP94203640A patent/EP0679760B1/en not_active Expired - Lifetime
- 1992-04-08 EP EP92201005A patent/EP0511695B2/en not_active Expired - Lifetime
- 1992-04-08 ES ES92201005T patent/ES2091395T3/es not_active Expired - Lifetime
- 1992-04-08 DE DE69227640T patent/DE69227640T2/de not_active Expired - Fee Related
- 1992-04-23 NZ NZ242465A patent/NZ242465A/en unknown
- 1992-04-27 FI FI921886A patent/FI111964B/fi active
- 1992-04-27 CA CA002067296A patent/CA2067296C/en not_active Expired - Fee Related
- 1992-04-28 BR BR929201554A patent/BR9201554A/pt not_active IP Right Cessation
- 1992-04-28 ZA ZA923073A patent/ZA923073B/xx unknown
- 1992-04-28 MX MX9201966A patent/MX9201966A/es unknown
- 1992-04-28 JP JP4134325A patent/JP2592747B2/ja not_active Expired - Fee Related
- 1992-04-29 RU SU925011770A patent/RU2039141C1/ru not_active IP Right Cessation
- 1992-04-29 NO NO19921671A patent/NO180495C/no not_active IP Right Cessation

Also Published As

Publication number	Publication date
SE470065B (sv)	1993-11-01
NO180495C (no)	2003-06-06
NZ242465A (en)	1993-12-23
EP0679760B1 (en)	1998-11-18
EP0679760A1 (en)	1995-11-02
JPH05148784A (ja)	1993-06-15
SE9101301D0 (sv)	1991-04-30
DE69213080D1 (de)	1996-10-02
AU651192B2 (en)	1994-07-14
ATE173518T1 (de)	1998-12-15
FI111964B (fi)	2003-10-15
ZA923073B (en)	1992-12-30
FI921886A0 (fi)	1992-04-27
EP0511695B1 (en)	1996-08-28
EP0511695B2 (en)	2004-06-02
NO180495B (no)	1997-01-20
NO921671D0 (no)	1992-04-29
AU1514992A (en)	1993-03-11
JP2592747B2 (ja)	1997-03-19
EP0511695A1 (en)	1992-11-04
DE69227640D1 (de)	1998-12-24
FI921886L (fi)	1992-10-31
RU2039141C1 (ru)	1995-07-09
SE470065C (sv)	1996-01-15
CA2067296A1 (en)	1992-10-31
ES2091395T3 (es)	1996-11-01
DE69227640T2 (de)	1999-05-06
MX9201966A (es)	1992-11-01
NO921671L (no)	1992-11-02
SE9101301L (sv)	1992-10-31
ATE141971T1 (de)	1996-09-15
CA2067296C (en)	1997-03-04

Publication	Publication Date	Title
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
BR9307521A (pt)	1999-08-31	Processo para a deslignificação e alvejamento de polpa contendo lignocelulose
BR9803764A (pt)	2002-05-14	Método de branquear polpa contendo lignina durante a fabricação
EP0280332A1 (en)	1988-08-31	A method for stabilizing the brightness of bleached lignin containing cellulose pulp
DE69420306T2 (de)	2000-04-20	Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff
RU2120511C1 (ru)	1998-10-20	Способ бесхлорного отбеливания химической целлюлозы
FI934036L (fi)	1994-09-04	Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
RU2189412C2 (ru)	2002-09-20	Способ отбеливания бумажной массы
SE9700992L (sv)	1997-05-16	Förfarande för blekning av kraftmassa
FI952551A0 (fi)	1995-05-24	Menetelmä lignoselluloosaa sisältävän massa valkaisemiseksi
SE9600773L (sv)	1996-04-18	Medelkonsistens-ljushetsförbättring med ozon av h ögkonsistens-ozonblekt massa
CA1129156A (en)	1982-08-10	Bleaching stilbene yellow dyed wood pulp
AU6986294A (en)	1995-01-03	Method of bleaching pulp without using chlorine chemicals
RU95114367A (ru)	1996-12-27	Способ делигнификации и отбеливания лигноцеллюлозосодержащей пульпы
SE9300277D0 (sv)	1993-01-29	Klorfri massablekning

Legal Events

Date	Code	Title	Description
1999-06-08	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2000-05-16	FF	Decision: intention to grant
2000-09-05	FG9A	Patent or certificate of addition granted
2013-06-25	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 28/04/2012