FI933057A0 - Klorfri process foer blekning av lignocellulosahaltig pappersmassa - Google Patents

Klorfri process foer blekning av lignocellulosahaltig pappersmassa

Info

Publication number: FI933057A0
Authority: FI; Finland
Prior art keywords: lignocellulosahaltig; chlorfri; blekning; paper pulp; pulp
Prior art date: 1991-01-03

Application number

FI933057A

Other languages

English (en)

Other versions

FI933057A (fi

Inventor

Omar F Ali

Bruce F Griggs

Thomas P Gandek

Michael A Pikulin

Allen Rosen

Stuart T Territ

Spencer W Eachus

David E White

William H Friend

Original Assignee

Union Camp Patent Holding

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.)

1991-01-03

Filing date

1993-07-02

Publication date

1993-07-02

1993-07-02 Application filed by Union Camp Patent Holding filed Critical Union Camp Patent Holding

1993-07-02 Publication of FI933057A0 publication Critical patent/FI933057A0/fi

1993-08-13 Publication of FI933057A publication Critical patent/FI933057A/fi

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
- D21C9/1057—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

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

FI933057A 1991-01-03 1993-07-02 Klorfri process foer blekning av lignocellulosahaltig pappersmassa FI933057A (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US63708191A	1991-01-03	1991-01-03
PCT/US1992/000289 WO1992012289A1 (en)	1991-01-03	1992-01-02	Chlorine-free process for bleaching lignocellulosic pulp

Publications (2)

Publication Number	Publication Date
FI933057A0 true FI933057A0 (fi)	1993-07-02
FI933057A FI933057A (fi)	1993-08-13

Family

ID=24554465

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI933057A FI933057A (fi)	1991-01-03	1993-07-02	Klorfri process foer blekning av lignocellulosahaltig pappersmassa

Country Status (6)

Country	Link
EP (1)	EP0565625A1 (fi)
JP (1)	JP2002517173A (fi)
BR (1)	BR9205490A (fi)
CA (1)	CA2099881A1 (fi)
FI (1)	FI933057A (fi)
WO (1)	WO1992012289A1 (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5472572A (en) *	1990-10-26	1995-12-05	Union Camp Patent Holding, Inc.	Reactor for bleaching high consistency pulp with ozone
BE1006056A3 (fr) *	1992-07-06	1994-05-03	Solvay Interox	Procede pour le blanchiment d'une pate a papier chimique.
SE9301960L (sv) *	1993-06-08	1994-07-25	Kvaerner Pulping Tech	Blekning av kemisk massa med peroxid vid övertryck
SE501836C2 (sv) *	1993-09-21	1995-05-22	Sunds Defibrator Ind Ab	Blekning av kemisk massa varvid massan behandlas med komplexbildare före och efter ett ozonsteg
JP2001200486A (ja) *	1999-12-02	2001-07-27	Andritz Ahlstrom Inc	細砕セルロース繊維材のスラリーを処理する方法
US7001484B2 (en)	2000-05-04	2006-02-21	University Of New Brunswick	Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent
US20070131364A1 (en) *	2005-12-14	2007-06-14	University Of Maine	Process for treating a cellulose-lignin pulp
JP5471050B2 (ja) *	2009-06-09	2014-04-16	三菱瓦斯化学株式会社	Ｔｃｆ漂白方法
SE538752C2 (en) *	2014-11-21	2016-11-08	Innventia Ab	Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BR8605554A (pt) *	1985-02-14	1987-04-22	Edward Francis Elton	Processo para producao de papel e aparelho para a deslignificacao alcalina de materiais fibrosos ligno-celulosicos
DE4004364A1 (de) *	1990-02-13	1991-08-14	Sueddeutsche Kalkstickstoff	Verfahren zur chlorfreien bleiche und delignifizierung von zellstoff
JP2825346B2 (ja) *	1990-05-17	1998-11-18	ユニオンキャンプコーポレイション	リグノセルロース物質の環境上改良された漂白方法

1992
- 1992-01-02 CA CA002099881A patent/CA2099881A1/en not_active Abandoned
- 1992-01-02 WO PCT/US1992/000289 patent/WO1992012289A1/en not_active Application Discontinuation
- 1992-01-02 BR BR9205490A patent/BR9205490A/pt not_active Application Discontinuation
- 1992-01-02 EP EP19920904154 patent/EP0565625A1/en not_active Ceased
- 1992-01-02 JP JP50454992A patent/JP2002517173A/ja active Pending
1993
- 1993-07-02 FI FI933057A patent/FI933057A/fi not_active Application Discontinuation

Also Published As

Publication number	Publication date
BR9205490A (pt)	1994-04-05
JP2002517173A (ja)	2002-06-11
FI933057A (fi)	1993-08-13
CA2099881A1 (en)	1992-07-04
WO1992012289A1 (en)	1992-07-23
EP0565625A1 (en)	1993-10-20

Publication	Publication Date	Title
FI933343A (fi)	1994-01-28	Pappersmaskin foer tillverkning av silkespapper
NO980892D0 (no)	1998-03-02	Fremgangsmåte for krepping av papir
NO912348D0 (no)	1991-06-17	Fremgangsmaate for fremstilling av papir.
NO175160C (no)	1994-09-07	Fremgangsmåte for avvanning av papir
NO180172C (no)	1997-02-26	Fremgangsmåte ved avsverting av avfallspapir
NO924177D0 (no)	1992-10-29	Filtbane for papirmaskin
DE69115331D1 (de)	1996-01-25	Papierzuführapparat
FI960145A (fi)	1996-01-12	Menetelmä sellun valmistamiseksi
FI915591A0 (fi)	1991-11-27	Menetelmä paperimassan valmistamiseksi
FI96891B (fi)	1996-05-31	Helposti kuidutettava kudosmuotoinen paperituote
FI942577A0 (fi)	1994-06-01	Ohjattava suihkutuslaite paperikoneen perälaatikkoa varten
FI933057A (fi)	1993-08-13	Klorfri process foer blekning av lignocellulosahaltig pappersmassa
FI942198A0 (fi)	1994-05-11	Paperikoneen perälaatikko
NO922931D0 (no)	1992-07-23	Tolags papirmaskinduk
FI925941A0 (fi)	1992-12-30	Paperikoneen kuivatusosa
DE69326012D1 (de)	1999-09-16	Papierherstellung
NO922086D0 (no)	1992-05-26	Dobbelsiktformer for papirmaskiner
BR9106033A (pt)	1993-01-19	Metodo de branqueamento de polpa de papel
FI93874C (fi)	1995-06-12	Paperikoneen perälaatikko
BR9205647A (pt)	1994-05-24	Processo de produçao de papel fotográfico
NO933705D0 (no)	1993-10-14	Fremgangsmaate for liming av papir
SE9201055D0 (sv)	1992-04-03	Apparat foer framstaellning av pappersmassa
SE9102052D0 (sv)	1991-07-02	A process for the manufacture of paper
KR920009986U (ko)	1992-06-17	용지공급장치
KR920009985U (ko)	1992-06-17	용지공급대

Legal Events

Date	Code	Title	Description
1997-08-12	FD	Application lapsed