BR0318068B1 - Método de branqueamento de pasta de celulose em uma linha de branqueamento e linha de branqueamento para branqueamento de pasta de celulose - Google Patents

Método de branqueamento de pasta de celulose em uma linha de branqueamento e linha de branqueamento para branqueamento de pasta de celulose

Info

Publication number
BR0318068B1
BR0318068B1 BRPI0318068-9B1A BR0318068A BR0318068B1 BR 0318068 B1 BR0318068 B1 BR 0318068B1 BR 0318068 A BR0318068 A BR 0318068A BR 0318068 B1 BR0318068 B1 BR 0318068B1
Authority
BR
Brazil
Prior art keywords
bleaching
line
wash
main conduit
filtrate
Prior art date
Application number
BRPI0318068-9B1A
Other languages
English (en)
Other versions
BR0318068A (pt
Inventor
Lennart Gustavsson
Vidar Snekkenes
Jonas Saetherasen
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 filed Critical
Publication of BR0318068A publication Critical patent/BR0318068A/pt
Publication of BR0318068B1 publication Critical patent/BR0318068B1/pt

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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Devices For Dispensing Beverages (AREA)
BRPI0318068-9B1A 2003-01-31 2003-12-09 Método de branqueamento de pasta de celulose em uma linha de branqueamento e linha de branqueamento para branqueamento de pasta de celulose BR0318068B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0300276A SE0300276L (sv) 2003-01-31 2003-01-31 Förfarande för blekning av cellulosamassa samt bleklinje härför
PCT/SE2003/001915 WO2004067834A1 (en) 2003-01-31 2003-12-09 Method for washing pulp in a bleaching line and a bleaching line

Publications (2)

Publication Number Publication Date
BR0318068A BR0318068A (pt) 2005-12-20
BR0318068B1 true BR0318068B1 (pt) 2013-10-15

Family

ID=20290292

Family Applications (3)

Application Number Title Priority Date Filing Date
BRPI0318079-4A BR0318079B1 (pt) 2003-01-31 2003-12-09 mÉtodo de branqueamento de pasta de celulose em uma linha de branqueamento.
BRPI0318068-9B1A BR0318068B1 (pt) 2003-01-31 2003-12-09 Método de branqueamento de pasta de celulose em uma linha de branqueamento e linha de branqueamento para branqueamento de pasta de celulose
BR0400340-3A BRPI0400340A (pt) 2003-01-31 2004-02-02 Método de alvejamento de polpa de celulose e linha de alvejamento para o método

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI0318079-4A BR0318079B1 (pt) 2003-01-31 2003-12-09 mÉtodo de branqueamento de pasta de celulose em uma linha de branqueamento.

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR0400340-3A BRPI0400340A (pt) 2003-01-31 2004-02-02 Método de alvejamento de polpa de celulose e linha de alvejamento para o método

Country Status (11)

Country Link
US (3) US20060090866A1 (pt)
EP (3) EP1592840B1 (pt)
JP (3) JP4677236B2 (pt)
CN (2) CN100582363C (pt)
AT (3) ATE498734T1 (pt)
AU (2) AU2003283939A1 (pt)
BR (3) BR0318079B1 (pt)
CA (3) CA2514698A1 (pt)
DE (2) DE60336082D1 (pt)
SE (1) SE0300276L (pt)
WO (2) WO2004067834A1 (pt)

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
AU2007253774C1 (en) * 2006-05-19 2012-03-22 The Research Foundation Of State University Of New York Methods for carbonate pretreatment and pulping of cellulosic material
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
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
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
US8753477B2 (en) * 2010-03-23 2014-06-17 International Paper Company 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
NO127630B (pt) * 1967-01-16 1973-07-23 Erco Envirotech Ltd
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
US5853535A (en) * 1991-01-28 1998-12-29 Champion International Corporation Process for manufacturing bleached pulp including recycling
NZ269362A (en) * 1991-01-28 1998-07-28 Champion Int Corp Recycling bleach plant filtrate from the oxidative extraction stage and the first chlorine dioxide bleaching stage
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 1999-06-18 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
AU9690401A (en) * 2000-10-17 2002-04-29 James Hardie Res Pty Ltd Method and apparatus for reducing impurities in cellulose fibers for manufactureof 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
CA2514698A1 (en) 2004-08-12
JP2006514167A (ja) 2006-04-27
ATE356248T1 (de) 2007-03-15
SE521780C2 (sv) 2003-12-09
CA2455247A1 (en) 2004-07-31
EP1592839B1 (en) 2011-02-16
ATE498734T1 (de) 2011-03-15
BRPI0400340A (pt) 2005-01-04
BR0318068A (pt) 2005-12-20
JP2006514168A (ja) 2006-04-27
CN100582363C (zh) 2010-01-20
CN100582362C (zh) 2010-01-20
ATE536439T1 (de) 2011-12-15
US7077931B2 (en) 2006-07-18
AU2003303829A1 (en) 2004-08-23
EP1443144B1 (en) 2007-03-07
DE602004005086T2 (de) 2007-11-15
DE60336082D1 (de) 2011-03-31
CN1745211A (zh) 2006-03-08
EP1592840B1 (en) 2011-12-07
WO2004067835A1 (en) 2004-08-12
BR0318079B1 (pt) 2012-12-25
SE0300276D0 (sv) 2003-01-31
BR0318079A (pt) 2005-12-20
SE0300276L (sv) 2003-12-09
AU2003283939A1 (en) 2004-08-23
JP4711686B2 (ja) 2011-06-29
EP1443144A1 (en) 2004-08-04
JP4677236B2 (ja) 2011-04-27
EP1592839A1 (en) 2005-11-09
DE602004005086D1 (de) 2007-04-19
EP1592840A1 (en) 2005-11-09
WO2004067834A1 (en) 2004-08-12
CN1745210A (zh) 2006-03-08
US20040149404A1 (en) 2004-08-05
US20060113048A1 (en) 2006-06-01
CA2512906A1 (en) 2004-08-12
US20060090866A1 (en) 2006-05-04
CA2512906C (en) 2011-11-08
JP2004232186A (ja) 2004-08-19

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B25D Requested change of name of applicant approved

Owner name: METSO FIBER KARLSTAD (SE)

B25A Requested transfer of rights approved

Owner name: METSO PAPER SWEDEN AB (SE)

B25A Requested transfer of rights approved

Owner name: GLV FINANCE HUNGARY KFT. (LU)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09X Republication of the decision to grant [chapter 9.1.3 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 09/12/2003, OBSERVADAS AS CONDICOES LEGAIS.