ATE356248T1 - Verfahren zum bleichen von zellulose und apparatur dafür - Google Patents

Verfahren zum bleichen von zellulose und apparatur dafür

Info

Publication number
ATE356248T1
ATE356248T1 AT04075187T AT04075187T ATE356248T1 AT E356248 T1 ATE356248 T1 AT E356248T1 AT 04075187 T AT04075187 T AT 04075187T AT 04075187 T AT04075187 T AT 04075187T AT E356248 T1 ATE356248 T1 AT E356248T1
Authority
AT
Austria
Prior art keywords
bleaching
wash
main conduit
filtrate
line
Prior art date
Application number
AT04075187T
Other languages
English (en)
Inventor
Vidar Snekkenes
Lennart Gustavsson
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
Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Application granted granted Critical
Publication of ATE356248T1 publication Critical patent/ATE356248T1/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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • General Preparation And Processing Of Foods (AREA)
AT04075187T 2003-01-31 2004-01-22 Verfahren zum bleichen von zellulose und apparatur dafür ATE356248T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0300276A SE0300276L (sv) 2003-01-31 2003-01-31 Förfarande för blekning av cellulosamassa samt bleklinje härför

Publications (1)

Publication Number Publication Date
ATE356248T1 true ATE356248T1 (de) 2007-03-15

Family

ID=20290292

Family Applications (3)

Application Number Title Priority Date Filing Date
AT03815620T ATE536439T1 (de) 2003-01-31 2003-12-09 Verfahren zur zellstoffwäsche auf einer bleichstrasse
AT03776161T ATE498734T1 (de) 2003-01-31 2003-12-09 Waschverfahren für zellstoff in einer bleichanlage und bleichanlage
AT04075187T ATE356248T1 (de) 2003-01-31 2004-01-22 Verfahren zum bleichen von zellulose und apparatur dafür

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT03815620T ATE536439T1 (de) 2003-01-31 2003-12-09 Verfahren zur zellstoffwäsche auf einer bleichstrasse
AT03776161T ATE498734T1 (de) 2003-01-31 2003-12-09 Waschverfahren für zellstoff in einer bleichanlage und bleichanlage

Country Status (11)

Country Link
US (3) US20060090866A1 (de)
EP (3) EP1592840B1 (de)
JP (3) JP4711686B2 (de)
CN (2) CN100582363C (de)
AT (3) ATE536439T1 (de)
AU (2) AU2003283939A1 (de)
BR (3) BR0318068B1 (de)
CA (3) CA2514698A1 (de)
DE (2) DE60336082D1 (de)
SE (1) SE0300276L (de)
WO (2) WO2004067834A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE516969C2 (sv) * 2000-08-14 2002-03-26 Metso Paper Inc Klordioxidblekning i två steg med återföring av filtrat
SE0300276L (sv) * 2003-01-31 2003-12-09 Kvaerner Pulping Tech Förfarande för blekning av cellulosamassa samt bleklinje härför
JP5207191B2 (ja) * 2006-05-19 2013-06-12 ザ リサーチ ファンデーション オブ ステート ユニヴァーシティ オブ ニューヨーク セルロース系材料の炭酸塩前処理およびパルプ化の方法
US7976677B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
US7976676B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
US20090000751A1 (en) * 2007-06-29 2009-01-01 Caifang Yin Bleaching process with at least one extraction stage
US8303767B2 (en) * 2008-03-18 2012-11-06 The Research Foundation Of State University Of New York Methods of pretreating comminuted cellulosic material with carbonate-containing solutions
AU2011229776B2 (en) * 2010-03-23 2013-11-28 International Paper Company Improved BCTMP filtrate recycling system and method
US20140182582A1 (en) * 2012-12-31 2014-07-03 Api Intellectual Property Holdings, Llc Processes for making cellulose with very low lignin content for glucose, high-purity cellulose, or cellulose derivatives

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1217833A (en) * 1967-01-16 1970-12-31 Electric Reduction Co Improved cellulosic pulp process
SE353928B (de) * 1967-01-16 1973-02-19 Electric Reduction Co
US3689995A (en) 1970-08-17 1972-09-12 Lour Knudsen Nordisk Elektrici Electric fuses
US4104114A (en) * 1977-05-05 1978-08-01 Erco Envirotech Ltd. Bleach plant operation
US4310384A (en) * 1979-01-11 1982-01-12 Weyerhaeuser Company Reducing chemical transfer between treatment stages
CA1249904A (en) * 1984-07-27 1989-02-14 Lawrence A. Carlsmith Oxygen alkali extraction of cellulosic pulp
ES2004389A6 (es) * 1986-03-21 1989-01-01 Air Prod & Chem Un metodo mejorado de deslignificacion y blanqueo secuenciales de pasta de papel lignocelulosica
US4762146A (en) * 1986-09-22 1988-08-09 Sundstrand Corporation Flow control valve
US5211811A (en) * 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
FI85293C (sv) * 1990-05-04 1992-03-25 Poeyry Jaakko & Co Oy Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten
JPH10502138A (ja) * 1991-01-28 1998-02-24 チャンピオン インターナショナル コーポレイション 漂白プラント濾液を再循環する改良された方法
US5853535A (en) * 1991-01-28 1998-12-29 Champion International Corporation Process for manufacturing bleached pulp including recycling
US6106667A (en) * 1992-02-21 2000-08-22 Ahlstrom Machinery Inc. Treatment of recycled bleach plant filtrates
JPH062294A (ja) * 1992-06-18 1994-01-11 New Oji Paper Co Ltd 漂白工程制御装置
US5403441A (en) * 1992-11-13 1995-04-04 Union Camp Patent Holding, Inc. Method for controlling an ozone bleaching process
SE502706E (sv) * 1994-04-05 1999-09-27 Mo Och Domsjoe Ab Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg
CA2170553A1 (en) * 1995-05-05 1996-11-06 C. Bertil Stromberg Treatment of filtrates in peroxide bleaching of pulp
US6569284B1 (en) * 1996-09-24 2003-05-27 International Paper Company Elemental-chlorine-free bleaching process having an initial Eo or Eop stage
US6162325A (en) * 1996-11-14 2000-12-19 Vinings Industries, Inc. Process for treating paper pulp
SE509444C2 (sv) * 1997-05-14 1999-01-25 Mo Och Domsjoe Ab Förfarande för minimering av kalcium orsakat inkrustproblem vid framställning av blekt cellulosamassa
US6245196B1 (en) * 1999-02-02 2001-06-12 Praxair Technology, Inc. Method and apparatus for pulp yield enhancement
NZ525393A (en) * 2000-10-17 2006-03-31 James Hardie Int Finance Bv Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
SE0300276L (sv) * 2003-01-31 2003-12-09 Kvaerner Pulping Tech Förfarande för blekning av cellulosamassa samt bleklinje härför

Also Published As

Publication number Publication date
JP4711686B2 (ja) 2011-06-29
EP1443144B1 (de) 2007-03-07
BR0318068B1 (pt) 2013-10-15
CN100582363C (zh) 2010-01-20
AU2003283939A1 (en) 2004-08-23
CA2512906A1 (en) 2004-08-12
US7077931B2 (en) 2006-07-18
CA2512906C (en) 2011-11-08
US20040149404A1 (en) 2004-08-05
WO2004067834A1 (en) 2004-08-12
EP1592840B1 (de) 2011-12-07
EP1592839A1 (de) 2005-11-09
JP2004232186A (ja) 2004-08-19
BR0318079A (pt) 2005-12-20
AU2003303829A1 (en) 2004-08-23
SE521780C2 (sv) 2003-12-09
CA2455247A1 (en) 2004-07-31
EP1592840A1 (de) 2005-11-09
CN100582362C (zh) 2010-01-20
DE602004005086D1 (de) 2007-04-19
SE0300276D0 (sv) 2003-01-31
BRPI0400340A (pt) 2005-01-04
JP2006514168A (ja) 2006-04-27
JP4677236B2 (ja) 2011-04-27
EP1443144A1 (de) 2004-08-04
DE602004005086T2 (de) 2007-11-15
BR0318079B1 (pt) 2012-12-25
ATE498734T1 (de) 2011-03-15
CN1745211A (zh) 2006-03-08
JP2006514167A (ja) 2006-04-27
ATE536439T1 (de) 2011-12-15
BR0318068A (pt) 2005-12-20
EP1592839B1 (de) 2011-02-16
SE0300276L (sv) 2003-12-09
WO2004067835A1 (en) 2004-08-12
DE60336082D1 (de) 2011-03-31
US20060090866A1 (en) 2006-05-04
US20060113048A1 (en) 2006-06-01
CA2514698A1 (en) 2004-08-12
CN1745210A (zh) 2006-03-08

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