NO954285D0 - Fremgangsmåte for flertrinnsbleking av tremasse - Google Patents

Fremgangsmåte for flertrinnsbleking av tremasse

Info

Publication number: NO954285D0
Authority: NO; Norway
Prior art keywords: wood pulp; multistage bleaching; bleaching; multistage; pulp
Prior art date: 1993-04-29

Application number

NO954285A

Other languages

English (en)

Other versions

NO954285L (no

Inventor

Lewis Donald Shackford

Original Assignee

Ingersoll Rand Co

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.)

1993-04-29

Filing date

1995-10-26

Publication date

1995-10-26

1995-10-26 Application filed by Ingersoll Rand Co filed Critical Ingersoll Rand Co

1995-10-26 Publication of NO954285D0 publication Critical patent/NO954285D0/no

1995-10-26 Publication of NO954285L publication Critical patent/NO954285L/no

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
- 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
- D21C9/1031—Pulse, dynamic, displacement 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)

NO954285A 1993-04-29 1995-10-26 Fremgangsmåte for flertrinnsbleking av tremasse NO954285L (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/054,588 US6340409B1 (en)	1993-04-29	1993-04-29	Method for multistage bleaching using gaseous reagent in the first stage with controlled gas release
PCT/US1994/004265 WO1994025669A1 (en)	1993-04-29	1994-04-19	Method for multistage bleaching of wood pulp

Publications (2)

Publication Number	Publication Date
NO954285D0 true NO954285D0 (no)	1995-10-26
NO954285L NO954285L (no)	1995-10-26

Family

ID=21992139

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO954285A NO954285L (no)	1993-04-29	1995-10-26	Fremgangsmåte for flertrinnsbleking av tremasse

Country Status (8)

Country	Link
US (1)	US6340409B1 (no)
EP (1)	EP0704004A4 (no)
JP (1)	JPH08509785A (no)
BR (1)	BR9406486A (no)
CA (1)	CA2159472A1 (no)
FI (1)	FI955151A (no)
NO (1)	NO954285L (no)
WO (1)	WO1994025669A1 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BR9708265A (pt) *	1996-03-26	1999-04-13	Sunds Defibrator Ind Ab	Processo de deslignificação por oxigénio de pasta química em dois estágios
US6139689A (en) *	1997-06-11	2000-10-31	Beloit Technologies, Inc.	Apparatus for digesting pulp in a displacement batch digester that uses displacement liquor having a sufficient hydrostatic head
US7001483B2 (en) *	2003-08-05	2006-02-21	Weyerhaeuser Company	Apparatus for making carboxylated pulp fibers
US8010538B2 (en) *	2006-05-08	2011-08-30	Black Duck Software, Inc.	Methods and systems for reporting regions of interest in content files

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA918978A (en) *	1970-01-08	1973-01-16	G. Jamieson Allan	Oxygen bleaching
BE788794A (fr)	1971-09-20	1973-03-13	Airco Inc	Procede et appareil d'addition d'oxygene a un
US3832276A (en) *	1973-03-07	1974-08-27	Int Paper Co	Delignification and bleaching of a cellulose pulp slurry with oxygen
US4198266A (en) *	1977-10-12	1980-04-15	Airco, Inc.	Oxygen delignification of wood pulp
FI89516B (fi) *	1989-05-10	1993-06-30	Ahlstroem Oy	Foerfarande foer blekning av cellulosamassa med otson
US5034095A (en) *	1989-06-01	1991-07-23	Oji Paper Co., Ltd.	Apparatus and process for the delignification of cellulose pulp
SE8903417L (sv) *	1989-10-17	1991-04-18	Sunds Defibrator Ind Ab	Saett foer toemning av kokare
US5160581A (en)	1990-06-01	1992-11-03	Titmas And Associates Incorporated	Method for oxygen bleaching paper pulp
US5411633A (en) *	1991-04-30	1995-05-02	Kamyr, Inc.	Medium consistency pulp ozone bleaching
US5389201A (en) *	1992-02-28	1995-02-14	International Paper Company	Bleaching of kraft cellulosic pulp employing ozone and reduced consumption of chlorine containing bleaching agent
US5810973A (en) *	1993-09-21	1998-09-22	Beloit Technologies, Inc.	Apparatus for producing small particles from high consistency wood pulp

1993
- 1993-04-29 US US08/054,588 patent/US6340409B1/en not_active Expired - Fee Related
1994
- 1994-04-19 CA CA002159472A patent/CA2159472A1/en not_active Abandoned
- 1994-04-19 EP EP94915391A patent/EP0704004A4/en not_active Withdrawn
- 1994-04-19 WO PCT/US1994/004265 patent/WO1994025669A1/en not_active Application Discontinuation
- 1994-04-19 BR BR9406486A patent/BR9406486A/pt not_active Application Discontinuation
- 1994-04-19 JP JP6524350A patent/JPH08509785A/ja active Pending
1995
- 1995-10-26 NO NO954285A patent/NO954285L/no not_active Application Discontinuation
- 1995-10-27 FI FI955151A patent/FI955151A/fi unknown

Also Published As

Publication number	Publication date
FI955151A0 (fi)	1995-10-27
JPH08509785A (ja)	1996-10-15
EP0704004A4 (en)	1997-11-19
BR9406486A (pt)	1996-01-09
CA2159472A1 (en)	1994-11-10
WO1994025669A1 (en)	1994-11-10
FI955151A (fi)	1995-10-27
US6340409B1 (en)	2002-01-22
NO954285L (no)	1995-10-26
EP0704004A1 (en)	1996-04-03

Publication	Publication Date	Title
DE69230034D1 (de)	1999-10-28	Peroxidbleichverfahren
NO944015D0 (no)	1994-10-21	Fremgangsmåte for bleking av en kjemisk papirmasse
NO179459C (no)	1996-10-09	Fremgangsmåte ved raffinering av papirmasse
FI944348A0 (fi)	1994-09-19	Menetelmä kraft-massan valkaisemiseksi
NO943465D0 (no)	1994-09-16	Fremgangsmåte for peroksydbleking av mekanisk masse
FI960757A (fi)	1997-08-20	Korkeasaantomassojen valkaisumenetelmä
NO177606C (no)	1995-10-18	Fremgangsmåte for hydrogenperoksydbleking av papirmasse
NO301491B1 (no)	1997-11-03	Fremgangsmåte for bleking av kjemisk papirmasse, spesielt kraftmasse
NO954285D0 (no)	1995-10-26	Fremgangsmåte for flertrinnsbleking av tremasse
NO953440D0 (no)	1995-09-01	Fremgangsmåte for delignifisering av kjemisk papirmasse
NO305443B1 (no)	1999-05-31	FremgangsmÕte til bleking av masse
NO950954D0 (no)	1995-03-13	Fremgangsmåte ved bleking av masse
FI934056A0 (fi)	1993-09-15	Menetelmä massan valkaisemiseksi
FI945202A0 (fi)	1994-11-04	Kemiallisen massan valkaisu
KR910008225A (ko)	1991-05-30	목재펄프의 무염소 표백방법
SE9303037D0 (sv)	1993-09-16	Blekning av pappersmassa
NO942651D0 (no)	1994-07-14	Fremgangsmåte for bleking av papirmasse
FI103818B1 (fi)	1999-09-30	Menetelmä massan valkaisemiseksi
FI960758A0 (fi)	1996-02-19	Korkeasaantomassojen valkaisumenetelmä
NO303074B1 (no)	1998-05-25	FremgangsmÕte ved ozonbleking av masse
SE9303971D0 (sv)	1993-11-30	Blekning av massa
SE9302483L (sv)	1995-01-24	Blekning av massa
GB9319811D0 (en)	1993-11-10	Wood pulp bleaching process
FI964863A (fi)	1997-06-08	Menetelmä kraft-massan valkaisemiseksi
FI960297A (fi)	1996-01-22	Menetelmä paperimassan otsonivalkaisuun

Legal Events

Date	Code	Title	Description
2001-01-22	FC2A	Withdrawal, rejection or dismissal of laid open patent application