FI951166A0 - Massan valkaisumenetelmä - Google Patents

Massan valkaisumenetelmä

Info

Publication number: FI951166A0
Authority: FI; Finland
Prior art keywords: pulp bleaching; bleaching method; pulp; bleaching
Prior art date: 1994-03-14

Application number

FI951166A

Other languages

English (en)

Swedish (sv)

Other versions

FI951166A (fi

Inventor

Mark J Kirschner

Rustam H Sethna

Original Assignee

Boc Group Inc

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.)

1994-03-14

Filing date

1995-03-13

Publication date

1995-03-13

1995-03-13 Application filed by Boc Group Inc filed Critical Boc Group Inc

1995-03-13 Publication of FI951166A0 publication Critical patent/FI951166A0/fi

1995-09-15 Publication of FI951166A publication Critical patent/FI951166A/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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
- 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

Landscapes

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

FI951166A 1994-03-14 1995-03-13 Massan valkaisumenetelmä FI951166A (fi)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US08/213,290 US6210527B1 (en)	1994-03-14	1994-03-14	Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream

Publications (2)

Publication Number	Publication Date
FI951166A0 true FI951166A0 (fi)	1995-03-13
FI951166A FI951166A (fi)	1995-09-15

Family

ID=22794495

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI951166A FI951166A (fi)	1994-03-14	1995-03-13	Massan valkaisumenetelmä

Country Status (6)

Country	Link
US (1)	US6210527B1 (fi)
AU (1)	AU685578B2 (fi)
FI (1)	FI951166A (fi)
NO (1)	NO950954L (fi)
SE (1)	SE9500826L (fi)
ZA (1)	ZA951344B (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20030044344A1 (en) *	2001-06-15	2003-03-06	Saucedo Victor M.	Method for controlling polysulfide production
FI122246B (fi) *	2007-06-15	2011-10-31	Andritz Oy	Menetelmä massan käsittelemiseksi sellutehtaalla
FI122812B (fi) *	2007-06-15	2012-07-13	Andritz Oy	Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
FI20080008L (fi) *	2008-01-08	2009-07-09	Andritz Oy	Otsonipitoisen kaasun käsittely massan valkaisun yhteydessä

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE343092B (fi) *	1970-06-22	1972-02-28	Mo Och Domsjoe Ab
US3860479A (en)	1971-06-18	1975-01-14	Union Camp Corp	Catalytic oxidation of alkaline pulping liquor
US4131508A (en)	1973-03-12	1978-12-26	Kamyr Inc.	Recovery system for oxygen bleaching of pulp
AU473185B2 (en)	1973-07-25	1976-06-17	Mooch Domsjo Aktiebolag	A method for producing oxidized white liquor
SE379069B (fi)	1973-08-27	1975-09-22	Kamyr Ab
SE381897C (sv)	1973-11-23	1977-05-23	Skogegarnas Ind Ab	Sett for satsvis alkalisk massakokning i kombination med kontinuerlig syredelignifiering
US4172006A (en)	1976-08-26	1979-10-23	Weyerhaeuser Company	Method of delignifying wood chips with oxygen by adding cooking liquor under pressure
US4161421A (en)	1977-09-13	1979-07-17	Kamyr, Inc.	Method and apparatus for continuous oxygen bleaching of cellulosic pulp
NO144711C (no)	1978-04-04	1981-10-21	Myrens Verksted As	Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
US4372812A (en)	1978-04-07	1983-02-08	International Paper Company	Chlorine free process for bleaching lignocellulosic pulp
US4619733A (en)	1983-11-30	1986-10-28	Kooi Boon Lam	Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
AT380496B (de)	1984-06-27	1986-05-26	Steyrermuehl Papier	Verfahren und reaktor zur delignifizierung von zellstoff mit sauerstoff
JPS62247812A (ja)	1986-04-18	1987-10-28	Chiyoda Chem Eng & Constr Co Ltd	加圧式上向流深層濾過方法及びそれに用いる濾過器
SE465730C (sv)	1988-03-17	2001-10-08	Kvaerner Pulping Tech	Sätt vid delignifiering av fiberhaltig cellulosamassa
US4902381A (en)	1988-12-09	1990-02-20	Kamyr, Inc.	Method of bleaching pulp with ozone-chlorine mixtures
US5179021A (en)	1989-02-10	1993-01-12	Gil Inc. (Now Ici Canada Inc.)	Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
AT395028B (de)	1990-02-07	1992-08-25	Chemiefaser Lenzing Ag	Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
US5164043A (en)	1990-05-17	1992-11-17	Union Camp Patent Holding, Inc.	Environmentally improved process for bleaching lignocellulosic materials with ozone
US6126781A (en) *	1991-08-01	2000-10-03	Union Camp Patent Holding, Inc.	Process for conditioning ozone gas recycle stream in ozone pulp bleaching

1994
- 1994-03-14 US US08/213,290 patent/US6210527B1/en not_active Expired - Fee Related
1995
- 1995-02-17 ZA ZA951344A patent/ZA951344B/xx unknown
- 1995-03-07 SE SE9500826A patent/SE9500826L/ not_active IP Right Cessation
- 1995-03-10 AU AU14747/95A patent/AU685578B2/en not_active Ceased
- 1995-03-13 FI FI951166A patent/FI951166A/fi unknown
- 1995-03-13 NO NO950954A patent/NO950954L/no not_active Application Discontinuation

Also Published As

Publication number	Publication date
SE9500826D0 (sv)	1995-03-07
AU685578B2 (en)	1998-01-22
FI951166A (fi)	1995-09-15
ZA951344B (en)	1996-01-15
AU1474795A (en)	1995-10-05
SE9500826L (sv)	1995-09-15
NO950954D0 (no)	1995-03-13
US6210527B1 (en)	2001-04-03
NO950954L (no)	1995-09-15

Publication	Publication Date	Title
FI944808A0 (fi)	1994-10-13	Menetelmä selluloosamassojen käsittelemiseksi
DE69713677D1 (de)	2002-08-08	Papierherstellungsverfahren
FI944928A0 (fi)	1994-10-20	Menetelmä kemiallisen paperimassan valkaisemiseksi
DE69419914D1 (de)	1999-09-09	Vertikale Bleichmaschine
FI906400A (fi)	1991-06-30	Massan valkaisutapa
FI944318A0 (fi)	1994-09-16	Menetelmä lehtipuumassan valkaisemiseksi
DK0785982T3 (da)	1999-04-12	Blegemiddel
ID18754A (id)	1998-05-07	Pemutihan bubur kertas
FI964715A (fi)	1998-05-27	Menetelmä selluloosamassan valkaisemiseksi
FI951166A0 (fi)	1995-03-13	Massan valkaisumenetelmä
FI934056A0 (fi)	1993-09-15	Menetelmä massan valkaisemiseksi
FI960972A (fi)	1996-04-29	Menetelmä lignoselluloosasulpun valkaisemiseksi
FI906401A0 (fi)	1990-12-27	Massan valkaisutapa
DK0784667T3 (da)	1999-07-26	Blegemiddel
FI974284A (fi)	1997-11-19	Selluloosamassan valkaisumenetelmä
BR9610198A (pt)	1999-06-29	Processo no alvejamento de polpa
FI950785A0 (fi)	1995-02-21	Menetelmä massan valkaisemiseksi
ZA955971B (en)	1996-02-21	Method of bleaching pulp
FI950200A0 (fi)	1995-01-17	Menetelmä massan valkaisemiseksi
FI943388A (fi)	1995-01-16	Menetelmä paperimassan valkaisemiseksi
FI970419A (fi)	1997-08-03	Menetelmä selluloosamassan valmistamiseksi
FI971023A (fi)	1997-03-18	Menetelmä kraft-massan valkaisemiseksi
FI952258A (fi)	1995-05-10	Menetelmä massan valkaisemiseksi
FI964863A0 (fi)	1996-12-05	Menetelmä kraft-massan valkaisemiseksi
FI940395A0 (fi)	1994-01-26	Pesumenetelmä