SE0102387D0 - Treatment of recirculated filtrates in pulp production - Google Patents

Treatment of recirculated filtrates in pulp production

Info

Publication number
SE0102387D0
SE0102387D0 SE0102387A SE0102387A SE0102387D0 SE 0102387 D0 SE0102387 D0 SE 0102387D0 SE 0102387 A SE0102387 A SE 0102387A SE 0102387 A SE0102387 A SE 0102387A SE 0102387 D0 SE0102387 D0 SE 0102387D0
Authority
SE
Sweden
Prior art keywords
washing
filtrates
recirculated
treatment
pulp production
Prior art date
Application number
SE0102387A
Other languages
English (en)
Other versions
SE0102387L (sv
Inventor
Olavi Pikka
Janne Vehmaa
Pekka Tervola
Original Assignee
Andritz Ahlstrom Oy
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 Andritz Ahlstrom Oy filed Critical Andritz Ahlstrom Oy
Publication of SE0102387L publication Critical patent/SE0102387L/sv
Publication of SE0102387D0 publication Critical patent/SE0102387D0/sv

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
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE0102387A 1999-01-22 2001-07-04 Treatment of recirculated filtrates in pulp production SE0102387D0 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI990127A FI990127A0 (sv) 1999-01-22 1999-01-22 Förfarande för behandling av massa
PCT/FI2000/000045 WO2000043589A1 (en) 1999-01-22 2000-01-20 Treatment of recirculated filtrates in pulp production

Publications (2)

Publication Number Publication Date
SE0102387L SE0102387L (sv) 2001-07-04
SE0102387D0 true SE0102387D0 (sv) 2001-07-04

Family

ID=8553467

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0102387A SE0102387D0 (sv) 1999-01-22 2001-07-04 Treatment of recirculated filtrates in pulp production

Country Status (5)

Country Link
AU (1) AU2297400A (sv)
CA (1) CA2360638A1 (sv)
FI (1) FI990127A0 (sv)
SE (1) SE0102387D0 (sv)
WO (1) WO2000043589A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115977B2 (sv) * 2003-04-07 2019-03-29 Stora Enso Oyj Rening av en alkalisk tvättlösning
WO2015197917A1 (en) * 2014-06-23 2015-12-30 Metsä Fibre Oy Method of delignifying fibrous suspensions of alkaline cooking
SE538452C2 (sv) * 2014-11-07 2016-07-05 Valmet Oy Method for operating a two vessel digester system
SE542676C2 (sv) 2017-11-29 2020-06-23 Axolot Solutions Ab Method for washer pulp wherein the wash filter is purified and re-circulated

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI85293C (sv) * 1990-05-04 1992-03-25 Poeyry Jaakko & Co Oy Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten
SE470538C (sv) * 1992-12-02 1996-02-26 Kvaerner Pulping Tech Sätt vid blekning av massa utan användning av klorhaltiga kemikalier
SE501613C2 (sv) * 1993-08-03 1995-03-27 Kvaerner Pulping Tech Sätt vid integrering av blekning och återvinning vid framställning av massa

Also Published As

Publication number Publication date
WO2000043589A1 (en) 2000-07-27
CA2360638A1 (en) 2000-07-27
SE0102387L (sv) 2001-07-04
AU2297400A (en) 2000-08-07
FI990127A0 (sv) 1999-01-22
WO2000043589B1 (en) 2000-10-12

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