ATE327368T1 - Verfahren und vorrichtung zur sauerstoffdelignifizierung von lignocellulosischen materialien - Google Patents

Verfahren und vorrichtung zur sauerstoffdelignifizierung von lignocellulosischen materialien

Info

Publication number
ATE327368T1
ATE327368T1 AT00202159T AT00202159T ATE327368T1 AT E327368 T1 ATE327368 T1 AT E327368T1 AT 00202159 T AT00202159 T AT 00202159T AT 00202159 T AT00202159 T AT 00202159T AT E327368 T1 ATE327368 T1 AT E327368T1
Authority
AT
Austria
Prior art keywords
approx
oxygen delignification
low
minutes
bar
Prior art date
Application number
AT00202159T
Other languages
English (en)
Inventor
Hakan Dahlloef
Martin Ragnar
Original Assignee
Kvaerner Pulping Tech
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20416399&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE327368(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Application granted granted Critical
Publication of ATE327368T1 publication Critical patent/ATE327368T1/de

Links

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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AT00202159T 1999-07-06 2000-06-21 Verfahren und vorrichtung zur sauerstoffdelignifizierung von lignocellulosischen materialien ATE327368T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9902586A SE522593C2 (sv) 1999-07-06 1999-07-06 System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material

Publications (1)

Publication Number Publication Date
ATE327368T1 true ATE327368T1 (de) 2006-06-15

Family

ID=20416399

Family Applications (3)

Application Number Title Priority Date Filing Date
AT00202159T ATE327368T1 (de) 1999-07-06 2000-06-21 Verfahren und vorrichtung zur sauerstoffdelignifizierung von lignocellulosischen materialien
AT00946715T ATE500383T1 (de) 1999-07-06 2000-07-05 Anlage und verfahren zur sauerstoff- delignifizierung von pulpen, die einen lignocellulosehaltigen stoff enthalten
AT00946728T ATE468435T1 (de) 1999-07-06 2000-07-06 Verfahren zur sauerstoff-delignifizierung von pulpe, die aus einem lignocellulosehaltigen stoff besteht

Family Applications After (2)

Application Number Title Priority Date Filing Date
AT00946715T ATE500383T1 (de) 1999-07-06 2000-07-05 Anlage und verfahren zur sauerstoff- delignifizierung von pulpen, die einen lignocellulosehaltigen stoff enthalten
AT00946728T ATE468435T1 (de) 1999-07-06 2000-07-06 Verfahren zur sauerstoff-delignifizierung von pulpe, die aus einem lignocellulosehaltigen stoff besteht

Country Status (11)

Country Link
US (4) US6391152B1 (de)
EP (3) EP1067237B1 (de)
JP (2) JP4610145B2 (de)
AT (3) ATE327368T1 (de)
AU (2) AU6043000A (de)
BR (2) BR0011960B1 (de)
CA (3) CA2312403C (de)
DE (3) DE60028136T2 (de)
ES (1) ES2359546T3 (de)
SE (1) SE522593C2 (de)
WO (2) WO2001002640A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE522593C2 (sv) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material
FI20002746A (fi) * 2000-12-14 2002-06-15 Andritz Oy Menetelmä ja laite massan syöttämiseksi valkaisutorniin
SE526707C2 (sv) * 2004-12-30 2005-10-25 Kvaerner Pulping Tech Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck
SE540043C2 (en) * 2015-11-27 2018-03-06 Valmet Oy Method and system for oxygen delignification of cellulose pulp

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1980390A (en) * 1930-11-24 1934-11-13 Celanese Corp Apparatus for digesting cellulose material
US2028419A (en) * 1934-05-31 1936-01-21 Hercules Powder Co Ltd Apparatus for the continuous treatment of fibrous materials
US2771361A (en) * 1951-12-07 1956-11-20 Process Evaluation Devel Defibration processes
US2723194A (en) * 1952-05-06 1955-11-08 Eleanor G Birdseye Process of separating bagasse pith and fiber
FI53848C (fi) * 1973-09-03 1978-08-10 Rauma Repola Oy Foerfarande foer behandling av fibermassa med syre under alkaliska betingelser vid foerhoejt tryck och temperatur
US4198266A (en) * 1977-10-12 1980-04-15 Airco, Inc. Oxygen delignification of wood pulp
US4259150A (en) * 1978-12-18 1981-03-31 Kamyr Inc. Plural stage mixing and thickening oxygen bleaching process
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp
US4689117A (en) * 1980-11-24 1987-08-25 Process Evaluation And Development Corporation Thermomechanical digestion process for enhancing the brightness of cellulose pulp using bleachants
US4431480A (en) * 1981-10-27 1984-02-14 The Black Clawson Company Method and apparatus for controlled addition of alkaline chemicals to an oxygen delignification reaction
JPS6118426A (ja) * 1984-07-05 1986-01-27 Hikoroku Sugiura 流体分散装置
JPH0768675B2 (ja) * 1986-10-13 1995-07-26 新王子製紙株式会社 セルロ−スパルプの酸素による脱リグニン、漂白方法
NO882815L (no) * 1988-06-24 1989-12-27 Sigurd Fongen Fremgangsmaate for fremstilling av cellulosemasse, samt delignifisering, bleking, de-inking og vasking av cellulosefibre og anordning for utfoerelse av fremgangsmaaten.
SE467582B (sv) * 1988-10-18 1992-08-10 Kamyr Ab Saett vid oxygenblekning
US5217575A (en) * 1988-10-18 1993-06-08 Kamyr Ab Process for oxygen bleaching using two vertical reactors
SE467261B (sv) * 1989-12-29 1992-06-22 Kamyr Ab Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
DE69221385T2 (de) * 1991-05-24 1997-12-11 Union Camp Patent Holding Zweistufiger Reaktor zum Bleichen von Zellstoff und Verfahren zum Bleichen mit Ozon
ZA924351B (en) * 1991-06-27 1993-03-31 Ahlstroem Oy Ozone bleaching process
US5690786A (en) * 1991-11-26 1997-11-25 Air Products And Chemicals Inc. Process for the treatment of pulp with oxygen and steam using ejectors
US5460696A (en) * 1993-08-12 1995-10-24 The Boc Group, Inc. Oxygen delignification method incorporating wood pulp mixing apparatus
SE514543C2 (sv) * 1995-03-08 2001-03-12 Kvaerner Pulping Tech Apparat för inblandning av ett första fluidum i ett andra fluidum
JPH08260370A (ja) * 1995-03-22 1996-10-08 New Oji Paper Co Ltd リグノセルロース物質の漂白方法
SE516489E8 (sv) 1995-03-28 2015-10-20 Glv Fin Hungary Kft Sätt vid och utrustning för behandling av en fibermassasuspension
US6319357B1 (en) * 1995-10-23 2001-11-20 Valmet Fibertech Aktiebolag Method for two-stage oxygen bleaching and delignification of chemical pulp
SE505141C2 (sv) 1995-10-23 1997-06-30 Sunds Defibrator Ind Ab Syrgasdelignifiering av massa i två steg med hög satsning av alkali och syrgas och temperatur under 90 C i första steget
WO1997027358A2 (en) * 1995-12-07 1997-07-31 Beloit Technologies, Inc. Oxygen delignification of medium consistency pulp slurry
BR9611836A (pt) * 1995-12-07 1999-03-09 Beloit Technologies Inc Deslignificação de oxigênio de pasta fluida de poupa de consistência média
EP0891439A1 (de) * 1996-03-26 1999-01-20 Sunds Defibrator Industries Aktiebolag Verfahren zur delignifizierung von zellstoff in zwei stufen
SE510740C2 (sv) * 1996-11-26 1999-06-21 Sunds Defibrator Ind Ab Styrning av syrgasdelignifiering
JP2001520328A (ja) * 1997-10-14 2001-10-30 エイ．アフルストロム オサケユキチュア パルプを加熱する方法および装置
US6773547B2 (en) * 1998-05-08 2004-08-10 American Air Liquide, Inc. Process for the bleaching of low consistency pulp using high partial pressure ozone
SE522593C2 (sv) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material
SE525773C2 (sv) * 2003-09-24 2005-04-26 Kvaerner Pulping Tech Metod och arrangemang för syrgasdelignifiering av cellulosamassa med pH-reglering i slutfasen

Also Published As

Publication number Publication date
JP2003504526A (ja) 2003-02-04
SE9902586D0 (sv) 1999-07-06
US6808596B1 (en) 2004-10-26
SE9902586L (sv) 2001-01-07
JP4610145B2 (ja) 2011-01-12
AU6043000A (en) 2001-01-22
EP1067237A1 (de) 2001-01-10
AU6044100A (en) 2001-01-22
US6841036B2 (en) 2005-01-11
SE522593C2 (sv) 2004-02-24
DE60028136T2 (de) 2007-04-12
ES2359546T3 (es) 2011-05-24
DE60044439D1 (de) 2010-07-01
US6391152B1 (en) 2002-05-21
CA2312403A1 (en) 2001-01-06
ATE468435T1 (de) 2010-06-15
DE60045689D1 (de) 2011-04-14
CA2312403C (en) 2008-03-18
EP1242679B1 (de) 2011-03-02
ATE500383T1 (de) 2011-03-15
EP1242680A1 (de) 2002-09-25
BR0011960A (pt) 2002-03-05
CA2377546C (en) 2009-09-08
JP4707293B2 (ja) 2011-06-22
WO2001002641A1 (en) 2001-01-11
JP2003504525A (ja) 2003-02-04
BR0011960B1 (pt) 2013-01-22
CA2374353C (en) 2009-06-30
US20060169429A1 (en) 2006-08-03
EP1242679A1 (de) 2002-09-25
EP1242680B1 (de) 2010-05-19
WO2001002641B1 (en) 2001-02-08
CA2377546A1 (en) 2001-01-11
DE60028136D1 (de) 2006-06-29
BR0011961A (pt) 2002-03-05
CA2374353A1 (en) 2001-01-11
EP1067237B1 (de) 2006-05-24
US20020108729A1 (en) 2002-08-15
BR0011961B1 (pt) 2011-10-04
WO2001002640A1 (en) 2001-01-11

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