ATE476546T1 - Vorbehandlung von schnitzeln mit weisslauge vor einer behandlung mit schwarzlauge - Google Patents

Vorbehandlung von schnitzeln mit weisslauge vor einer behandlung mit schwarzlauge

Info

Publication number
ATE476546T1
ATE476546T1 AT02792143T AT02792143T ATE476546T1 AT E476546 T1 ATE476546 T1 AT E476546T1 AT 02792143 T AT02792143 T AT 02792143T AT 02792143 T AT02792143 T AT 02792143T AT E476546 T1 ATE476546 T1 AT E476546T1
Authority
AT
Austria
Prior art keywords
treatment
lye
rich
temperature
white liquor
Prior art date
Application number
AT02792143T
Other languages
English (en)
Inventor
Mikael Lindstroem
Vidar Snekkenes
Original Assignee
Metso Fiber Karlstad Ab
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 Metso Fiber Karlstad Ab filed Critical Metso Fiber Karlstad Ab
Application granted granted Critical
Publication of ATE476546T1 publication Critical patent/ATE476546T1/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Tires In General (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
AT02792143T 2001-12-14 2002-12-13 Vorbehandlung von schnitzeln mit weisslauge vor einer behandlung mit schwarzlauge ATE476546T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0104247A SE518538C2 (sv) 2001-12-14 2001-12-14 Förbehandling av flis med färsk vitlut före behandling med svartlut
PCT/SE2002/002317 WO2003057979A1 (en) 2001-12-14 2002-12-13 Pretreatment of chips with white liquor prior to a treatment with black liquor

Publications (1)

Publication Number Publication Date
ATE476546T1 true ATE476546T1 (de) 2010-08-15

Family

ID=20286349

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02792143T ATE476546T1 (de) 2001-12-14 2002-12-13 Vorbehandlung von schnitzeln mit weisslauge vor einer behandlung mit schwarzlauge

Country Status (9)

Country Link
US (1) US7270725B2 (de)
EP (1) EP1458927B1 (de)
JP (1) JP4280636B2 (de)
AT (1) ATE476546T1 (de)
AU (1) AU2002362176A1 (de)
BR (1) BR0214922B1 (de)
DE (1) DE60237231D1 (de)
SE (1) SE518538C2 (de)
WO (1) WO2003057979A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE518538C2 (sv) * 2001-12-14 2002-10-22 Kvaerner Pulping Tech Förbehandling av flis med färsk vitlut före behandling med svartlut
SE518993E (sv) * 2002-01-24 2013-04-23 Metso Paper Sweden Ab Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut
SE526704C2 (sv) * 2003-12-30 2005-10-25 Kvaerner Pulping Tech Matning av cellulosaflis från en lågtrycksdel till en högtrycksdel med en slussmatare
SE0401870D0 (sv) * 2004-07-15 2004-07-15 Kvaerner Pulping Tech Förfarande för impregnering av flis
ES2525263T3 (es) * 2010-05-04 2014-12-19 Bahia Specialty Cellulose Sa Procedimiento y sistema de tratamiento de pasta de papel utilizando una extracción cáustica en frío con reutilización del filtrado alcalino
AU2010202496B2 (en) * 2010-05-04 2015-04-16 Bahia Specialty Cellulose Sa Method and system for high alpha dissolving pulp production
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
FI127420B (fi) 2011-06-23 2018-05-31 Andritz Oy Menetelmä selluloosamassan valmistamiseksi
US9580864B2 (en) 2011-08-30 2017-02-28 Valmet Ab Kraft cooking method using polysulfide cooking liquor
EP2751331B2 (de) 2011-08-30 2020-04-22 Valmet Aktiebolag Kraft-kochverfahren mit einer polysulfidkochlauge
US8709204B1 (en) * 2013-03-14 2014-04-29 Veolia Water Solutions & Technologies North America Inc. System and process for recovering heat from weak black liquor in a wood pulping process
RU2665424C1 (ru) * 2014-08-26 2018-08-29 Вальмет Аб Экономически эффективный способ сульфатной варки с применением полисульфидного варочного щелока
CN113106769A (zh) * 2021-04-30 2021-07-13 沁阳市中澳生物科技有限公司 一种新型清洁造纸制浆方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2175154A (en) * 1935-06-26 1939-10-03 Chemipulp Process Inc Method for treating cellulosic material
US3303088A (en) * 1963-04-19 1967-02-07 Lummus Co Continuous liquid-phase rapid pulping
SE468053B (sv) * 1988-12-20 1992-10-26 Kamyr Ab Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
FI82079C (fi) * 1989-04-27 1993-05-11 Poeyry Jaakko & Co Oy Foerfarande och anordning foer kontinuerlig kokning av cellulosa
SE9403978L (sv) * 1994-11-15 1995-11-06 Kvaerner Pulping Tech Svartlutsimpregnering i enkärlshydraulkokare
US5635026A (en) * 1995-11-13 1997-06-03 Ahlstrom Machinery Inc. Cooking cellulose material with high alkali concentrations and/or high pH
US5736006A (en) * 1996-10-10 1998-04-07 Ahlstrom Machinery Inc. Method and apparatus for pulping with controlled heating to improve delignification and pulp strength
SE510706C2 (sv) * 1997-10-16 1999-06-14 Kvaerner Pulping Tech Processystem och förfarande för impregnering och basning av flis innan massakokning
FI122654B (fi) * 1997-12-08 2012-05-15 Ovivo Luxembourg Sarl Menetelmä paperisellumassan valmistamiseksi
FI20002587A (fi) * 2000-11-24 2002-05-25 Metso Paper Inc Alkalinen keittomenetelmä kuitumateriaalille
SE518538C2 (sv) * 2001-12-14 2002-10-22 Kvaerner Pulping Tech Förbehandling av flis med färsk vitlut före behandling med svartlut

Also Published As

Publication number Publication date
US20050103454A1 (en) 2005-05-19
SE0104247L (sv) 2002-10-22
SE0104247D0 (sv) 2001-12-14
BR0214922A (pt) 2004-11-30
EP1458927B1 (de) 2010-08-04
SE518538C2 (sv) 2002-10-22
AU2002362176A1 (en) 2003-07-24
US7270725B2 (en) 2007-09-18
JP2005514535A (ja) 2005-05-19
JP4280636B2 (ja) 2009-06-17
EP1458927A1 (de) 2004-09-22
BR0214922B1 (pt) 2012-12-11
DE60237231D1 (de) 2010-09-16
WO2003057979A1 (en) 2003-07-17

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Legal Events

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