BR9302764A - Processo para o branqueamento de uma pasta quimica de papel,e,aplicacao - Google Patents

Processo para o branqueamento de uma pasta quimica de papel,e,aplicacao

Info

Publication number: BR9302764A
Authority: BR; Brazil
Prior art keywords: whitening; application; paper pulp; chemical paper; chemical
Prior art date: 1992-07-06

Application number

BR9302764A

Other languages

English (en)

Inventor

Francois Desprez

Johan Devenyns

Nicholas Troughton

Paul Essemaeker

Original Assignee

Solvay Interox

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.)

1992-07-06

Filing date

1993-07-05

Publication date

1994-02-08

1993-07-05 Application filed by Solvay Interox filed Critical Solvay Interox

1994-02-08 Publication of BR9302764A publication Critical patent/BR9302764A/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
- D21C9/1057—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
- D21C9/16—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)

BR9302764A 1992-07-06 1993-07-05 Processo para o branqueamento de uma pasta quimica de papel,e,aplicacao BR9302764A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE9200626A BE1006056A3 (fr)	1992-07-06	1992-07-06	Procede pour le blanchiment d'une pate a papier chimique.

Publications (1)

Publication Number	Publication Date
BR9302764A true BR9302764A (pt)	1994-02-08

Family

ID=3886354

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9302764A BR9302764A (pt)	1992-07-06	1993-07-05	Processo para o branqueamento de uma pasta quimica de papel,e,aplicacao

Country Status (15)

Country	Link
US (1)	US6221209B1 (pt)
EP (1)	EP0578304B1 (pt)
JP (1)	JPH06166981A (pt)
AR (1)	AR247258A1 (pt)
AT (1)	ATE143074T1 (pt)
AU (1)	AU654623B2 (pt)
BE (1)	BE1006056A3 (pt)
BR (1)	BR9302764A (pt)
CA (1)	CA2099827A1 (pt)
DE (1)	DE69304822T2 (pt)
ES (1)	ES2094465T3 (pt)
FI (1)	FI111170B (pt)
NZ (1)	NZ248029A (pt)
SI (1)	SI9300362A (pt)
SK (1)	SK70293A3 (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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.
FR2719854B1 (fr) *	1994-05-11	1996-06-21	Atochem Elf Sa	Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies.
FR2719853B1 (fr) *	1994-05-11	1996-06-21	Atochem Elf Sa	Procédé de délignification et de blanchiment d'une pâte à papier chimique.
BR9508387A (pt) *	1994-07-11	1997-11-25	Beloit Technologies Inc	Vasos de alta eficiéncia pra alvejamento de materiais fibrosos lignocelulósicos celulósicos e poliméricos sintéticos
ZA955290B (en) *	1994-07-11	1996-12-27	Ingersoll Rand Co	Peroxide bleaching process for cellulosic and lignocellulosic material
US7001484B2 (en)	2000-05-04	2006-02-21	University Of New Brunswick	Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
US7351764B2 (en) *	2004-03-31	2008-04-01	Nalco Company	Methods to enhance brightness of pulp and optimize use of bleaching chemicals
FR2912407B1 (fr) *	2007-02-14	2010-10-08	Arkema France	Procede de fonctionnalisation des carbohydrates.
US20100101743A1 (en) *	2007-02-21	2010-04-29	Solvay (Societe Anonyme)	Process for the bleaching of paper pulp
CN101903591A (zh) *	2007-12-20	2010-12-01	三菱瓦斯化学株式会社	漂白纸浆的制造方法
EP2082991A1 (en)	2008-01-22	2009-07-29	Thermphos Trading GmbH	Method of Water Treatment
EP2090646A1 (en)	2008-01-22	2009-08-19	Thermphos Trading GmbH	Surface treatment composition containing phosphonic acid compounds
SE532370C2 (sv) *	2008-02-28	2009-12-29	Metso Paper Inc	Metod för blekning av en massa
EP2128331A1 (en)	2008-05-26	2009-12-02	SOLVAY (Société Anonyme)	Process for the bleaching of paper pulp
US8034759B2 (en) *	2008-10-31	2011-10-11	Ecolab Usa Inc.	Enhanced stability peracid compositions
US8845860B2 (en)	2010-09-16	2014-09-30	Georgia-Pacific Consumer Products Lp	High brightness pulps from lignin rich waste papers
US10000890B2 (en) *	2012-01-12	2018-06-19	Gp Cellulose Gmbh	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
US12063953B2 (en)	2019-09-11	2024-08-20	Nicoventures Trading Limited	Method for whitening tobacco
JP2022547977A (ja)	2019-09-11	2022-11-16	ニコベンチャーズトレーディングリミテッド	タバコを白色化するための代替方法
US11937626B2 (en)	2020-09-04	2024-03-26	Nicoventures Trading Limited	Method for whitening tobacco

Family Cites Families (10)

* 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
GB8620222D0 (en) *	1986-08-20	1986-10-01	Abitibi Price Inc	Peroxide bleaching
CA2005369A1 (en) *	1988-12-20	1990-06-20	Madhusudan D. Jayawant	Process for improved alkaline oxidative delignification of cellulose pulp
US4946556A (en) *	1989-04-25	1990-08-07	Kamyr, Inc.	Method of oxygen delignifying wood pulp with between stage washing
ES2038097T5 (es) *	1989-06-06	2001-05-01	Eka Chemicals Ab	Procedimiento para blanquear pastas papeleras que contienen lignocelulosa.
US5246543A (en) *	1989-08-18	1993-09-21	Degussa Corporation	Process for bleaching and delignification of lignocellulosic materials
US5091054A (en) *	1989-08-18	1992-02-25	Degussa Corporation	Process for bleaching and delignification of lignocellulosic
AT395028B (de) *	1990-02-07	1992-08-25	Chemiefaser Lenzing Ag	Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
EP0565625A1 (en) *	1991-01-03	1993-10-20	Union Camp Patent Holding, Inc.	Chlorine-free process for bleaching lignocellulosic pulp
SE469842C (sv) *	1992-01-21	1996-01-15	Sunds Defibrator Ind Ab	Blekning av kemisk massa med peroxid

1992
- 1992-07-06 BE BE9200626A patent/BE1006056A3/fr not_active IP Right Cessation
1993
- 1993-06-29 AT AT93201886T patent/ATE143074T1/de not_active IP Right Cessation
- 1993-06-29 ES ES93201886T patent/ES2094465T3/es not_active Expired - Lifetime
- 1993-06-29 US US08/083,183 patent/US6221209B1/en not_active Expired - Fee Related
- 1993-06-29 DE DE69304822T patent/DE69304822T2/de not_active Expired - Fee Related
- 1993-06-29 EP EP93201886A patent/EP0578304B1/fr not_active Expired - Lifetime
- 1993-06-30 NZ NZ248029A patent/NZ248029A/en unknown
- 1993-07-02 SK SK702-93A patent/SK70293A3/sk unknown
- 1993-07-02 AU AU41705/93A patent/AU654623B2/en not_active Ceased
- 1993-07-05 AR AR93325341A patent/AR247258A1/es active
- 1993-07-05 CA CA002099827A patent/CA2099827A1/fr not_active Abandoned
- 1993-07-05 BR BR9302764A patent/BR9302764A/pt not_active Application Discontinuation
- 1993-07-06 FI FI933103A patent/FI111170B/fi active
- 1993-07-06 SI SI9300362A patent/SI9300362A/sl unknown
- 1993-07-06 JP JP5167132A patent/JPH06166981A/ja active Pending

Also Published As

Publication number	Publication date
ES2094465T3 (es)	1997-01-16
FI111170B (fi)	2003-06-13
AU654623B2 (en)	1994-11-10
DE69304822D1 (de)	1996-10-24
EP0578304A1 (fr)	1994-01-12
SI9300362A (en)	1994-03-31
BE1006056A3 (fr)	1994-05-03
CA2099827A1 (fr)	1994-01-07
AU4170593A (en)	1994-01-13
US6221209B1 (en)	2001-04-24
ATE143074T1 (de)	1996-10-15
NZ248029A (en)	1995-10-26
EP0578304B1 (fr)	1996-09-18
AR247258A1 (es)	1994-11-30
JPH06166981A (ja)	1994-06-14
DE69304822T2 (de)	1997-04-10
FI933103L (fi)	1994-01-07
FI933103A0 (fi)	1993-07-06
SK70293A3 (en)	1994-04-06

Publication	Publication Date	Title
BR9302764A (pt)	1994-02-08	Processo para o branqueamento de uma pasta quimica de papel,e,aplicacao
BR9302765A (pt)	1994-02-08	Processo para melhorar a seletividade da deslignificacao de uma pasta quimica de papel por meio de um peroxiacido organico e aplicacao de mesmo
BR9307334A (pt)	1999-06-01	Produto de papel e composição de amaciamento químico
BR9607343A (pt)	1997-11-25	Produto de papel absorvente dobrado melhorado e processo
BR9306334A (pt)	1998-06-30	Processo para o branqueamento de polpa
BR9607125A (pt)	1997-11-04	Produto de papel macio e processo de fabricação de um papel macio
BR9404176A (pt)	1995-06-27	Processo para o branqueamento de uma pasta de papel química
FI974182A7 (fi)	1997-11-10	Paperikoneen kuivatusosa
BR9603843A (pt)	1998-06-02	Processo para fazer papel
BR8907405A (pt)	1991-04-30	Processo para producao de produtos de papel,e processos para manipulacao e tratamento de pasta
EP0777011A3 (en)	1997-09-17	Process for deinking recycled paper pulp
FI933105A7 (fi)	1994-01-07	Menetelmä kemiallisen paperimassan delignifioimiseksi
PT83745B (pt)	1988-08-17	Processo e aparelho para o branqueamento de pasta para o fabrico de papel
FI933700A7 (fi)	1995-02-24	Paperikoneen kuivatusosa
FI932848A7 (fi)	1993-12-19	Menetelmä paperimassan valkaisemiseksi
BR9205620A (pt)	1994-05-03	Polpa quimica, e, processo de branqueamento de polpa quimica.
FI935201A7 (fi)	1994-05-25	Paperikoneen puristinosa
FI944975L (fi)	1994-10-21	Sellumassa ja valkoinen paperituote ja menetelmä paperituotteen valmistamiseksi
BR9305899A (pt)	1997-08-19	Digestão modificada de polpa de papel seguida por branqueamento de ozônio
BR9205762A (pt)	1994-08-02	Processo para o alvejamento de uma pasta química de papel e aplicação deste processo ao alvejamento das pastas kraft
BR9405943A (pt)	1996-02-06	Processo para a deslignificacão de uma pasta de papel quimica
PT96816A (pt)	1991-10-31	Processo de branqueamento de pasta de papel
BR9406395A (pt)	1996-02-13	Processo de produção de papel
FI932265A7 (fi)	1994-11-19	Paperikoneen rainanmuodostusosa
BR9402833A (pt)	1995-04-04	Processo para o branqueamento de uma pasta de papel e aplicação do mesmo

Legal Events

Date	Code	Title
1996-06-11	EE	Request for examination
2000-05-30	FF	Decision: intention to grant
2001-02-28	FA11	Dismissal: dismissal - article 38, par. 2 of industrial property law