ATE143074T1 - Verfahren zum bleichen eines chemischen zellstoffs - Google Patents

Verfahren zum bleichen eines chemischen zellstoffs

Info

Publication number: ATE143074T1
Authority: AT; Austria
Prior art keywords: bleaching; chemical pulp; pulp; chemical
Prior art date: 1992-07-06

Application number

AT93201886T

Other languages

English (en)

Inventor

Francois Desprez

Johan Devenyns

Nicholas A 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

1993-06-29

Publication date

1996-10-15

1993-06-29 Application filed by Solvay Interox filed Critical Solvay Interox

1996-10-15 Application granted granted Critical

1996-10-15 Publication of ATE143074T1 publication Critical patent/ATE143074T1/de

Links

229920001131 Pulp (paper) Polymers 0.000 title 1
238000004061 bleaching Methods 0.000 title 1
238000000034 method Methods 0.000 title 1

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)

AT93201886T 1992-07-06 1993-06-29 Verfahren zum bleichen eines chemischen zellstoffs ATE143074T1 (de)

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
ATE143074T1 true ATE143074T1 (de)	1996-10-15

Family

ID=3886354

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT93201886T ATE143074T1 (de)	1992-07-06	1993-06-29	Verfahren zum bleichen eines chemischen zellstoffs

Country Status (15)

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

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.
FR2719853B1 (fr) *	1994-05-11	1996-06-21	Atochem Elf Sa	Procédé de délignification et de blanchiment d'une pâte à papier chimique.
FR2719854B1 (fr) *	1994-05-11	1996-06-21	Atochem Elf Sa	Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies.
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
EP2090646A1 (de)	2008-01-22	2009-08-19	Thermphos Trading GmbH	Oberflächenbehandlungszusammensetzung mit Phosphonsäureverbindungen
EP2082991A1 (de)	2008-01-22	2009-07-29	Thermphos Trading GmbH	Verfahren zur Wasseraufbereitung
SE532370C2 (sv) *	2008-02-28	2009-12-29	Metso Paper Inc	Metod för blekning av en massa
EP2128331A1 (de) *	2008-05-26	2009-12-02	SOLVAY (Société Anonyme)	Verfahren zum Bleichen von Papierzellstoff
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
CA2860609C (en)	2012-01-12	2021-02-16	Gp Cellulose Gmbh	A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same
MX364847B (es)	2012-04-18	2019-05-08	Gp Cellulose Gmbh	El uso de surfactante para tratar pulpa y mejorar la incorporacion de pulpa kraft en fibra para la produccion de viscosa y otros productos de fibra secundarios.
EP4027817A1 (de) *	2019-09-11	2022-07-20	Nicoventures Trading Limited	Alternative verfahren zum bleichen von tabak
US12063953B2 (en)	2019-09-11	2024-08-20	Nicoventures Trading Limited	Method for whitening tobacco
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
ATE97179T1 (de) *	1989-06-06	1993-11-15	Eka Nobel Ab	Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
US5091054A (en) *	1989-08-18	1992-02-25	Degussa Corporation	Process for bleaching and delignification of lignocellulosic
US5246543A (en) *	1989-08-18	1993-09-21	Degussa Corporation	Process for bleaching and delignification of lignocellulosic materials
AT395028B (de) *	1990-02-07	1992-08-25	Chemiefaser Lenzing Ag	Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
EP0565625A1 (de) *	1991-01-03	1993-10-20	Union Camp Patent Holding, Inc.	Verfahren zum chlorfreien bleichen von lignocellulosehaltigem zellstoff
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 EP EP93201886A patent/EP0578304B1/de not_active Expired - Lifetime
- 1993-06-29 DE DE69304822T patent/DE69304822T2/de not_active Expired - Fee Related
- 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 AT AT93201886T patent/ATE143074T1/de not_active IP Right Cessation
- 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 CA CA002099827A patent/CA2099827A1/fr not_active Abandoned
- 1993-07-05 BR BR9302764A patent/BR9302764A/pt not_active Application Discontinuation
- 1993-07-05 AR AR93325341A patent/AR247258A1/es active
- 1993-07-06 FI FI933103A patent/FI111170B/fi active
- 1993-07-06 JP JP5167132A patent/JPH06166981A/ja active Pending
- 1993-07-06 SI SI9300362A patent/SI9300362A/sl unknown

Also Published As

Publication number	Publication date
US6221209B1 (en)	2001-04-24
SK70293A3 (en)	1994-04-06
EP0578304A1 (de)	1994-01-12
NZ248029A (en)	1995-10-26
BE1006056A3 (fr)	1994-05-03
FI933103L (fi)	1994-01-07
ES2094465T3 (es)	1997-01-16
BR9302764A (pt)	1994-02-08
CA2099827A1 (fr)	1994-01-07
DE69304822D1 (de)	1996-10-24
AU4170593A (en)	1994-01-13
EP0578304B1 (de)	1996-09-18
FI111170B (fi)	2003-06-13
AR247258A1 (es)	1994-11-30
SI9300362A (en)	1994-03-31
FI933103A0 (fi)	1993-07-06
JPH06166981A (ja)	1994-06-14
DE69304822T2 (de)	1997-04-10
AU654623B2 (en)	1994-11-10

Legal Events

Date	Code	Title	Description
1997-04-15	UEP	Publication of translation of european patent specification
2009-03-15	REN	Ceased due to non-payment of the annual fee

Publication	Publication Date	Title
ATE143074T1 (de)	1996-10-15	Verfahren zum bleichen eines chemischen zellstoffs
DE69616392D1 (de)	2001-12-06	Verfahren zum Waschen in einer Waschmaschine
DE59607837D1 (de)	2001-11-08	Verfahren zum kontinuierlichen ersintern eines granulats
DE69302420D1 (de)	1996-06-05	Verfahren zum Fotoformen
DE69306672D1 (de)	1997-01-30	Verfahren zum Reinigen von Wasser in einer Waschmaschine
DE69613578D1 (de)	2001-08-02	Verfahren zum überwachen einer melkmaschine und melkmaschine
DE69325237D1 (de)	1999-07-15	Verfahren zum Kodieren eines Sprachsignales
DE69615924D1 (de)	2001-11-22	Verfahren zum Planen eines modularen Druckgeräts
FI944928A0 (fi)	1994-10-20	Menetelmä kemiallisen paperimassan valkaisemiseksi
DE69608571D1 (de)	2000-06-29	Verfahren zum behandeln eines korkstopfens
DE69525596D1 (de)	2002-04-04	Verfahren zum Hestellen eines becherförmigen Teils
DE69209266D1 (de)	1996-04-25	Verfahren zum Entwässern
FI952596L (fi)	1995-05-29	Menetelmä valkaista massaa käyttämättä klooripitoisia kemikaaleja
DE69509075D1 (de)	1999-05-20	Verfahren zum herstellen eines behältnisses für chemikalien
DE59300750D1 (de)	1995-11-16	Verfahren zum Herstellen einer Abdichtung.
DE69331887D1 (de)	2002-06-13	Verfahren zum Lernen von Mustern
DE69602398D1 (de)	1999-06-17	Verfahren zum Flüssigkeitstransport
DE69215050D1 (de)	1996-12-12	Verfahren zum Aktivieren eines Katalysators
DE59303509D1 (de)	1996-09-26	Verfahren zum waschen einer textilen warenbahn und entsprechende breitwaschmaschine
ATE100509T1 (de)	1994-02-15	Verfahren zum bleichen von tintenfreiem zellstoff.
DE69731617D1 (de)	2004-12-23	Verfahren zum bleichen von hochausbeutepapierzellstoff
DE69413246D1 (de)	1998-10-15	Verfahren zum dosieren eines waschmittelproduktes
DE69507135D1 (de)	1999-02-18	Verfahren zum geschmeidigmachen von textilien
EP0584710A3 (de)	1995-02-01	Verfahren zum Bleichen von Textilien.
DE69327749D1 (de)	2000-03-09	Verfahren zum Einstellen der Konzentration eines Entwicklers