FI990127A0 - Förfarande för behandling av massa - Google Patents

Förfarande för behandling av massa

Info

Publication number
FI990127A0
FI990127A0 FI990127A FI990127A FI990127A0 FI 990127 A0 FI990127 A0 FI 990127A0 FI 990127 A FI990127 A FI 990127A FI 990127 A FI990127 A FI 990127A FI 990127 A0 FI990127 A0 FI 990127A0
Authority
FI
Finland
Prior art keywords
treating pulp
pulp
treating
Prior art date
Application number
FI990127A
Other languages
English (en)
Finnish (fi)
Inventor
Myoeh. Ilm.
Original Assignee
Ahlstrom Machinery 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 Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Priority to FI990127A priority Critical patent/FI990127A0/sv
Publication of FI990127A0 publication Critical patent/FI990127A0/sv
Priority to AU22974/00A priority patent/AU2297400A/en
Priority to PCT/FI2000/000045 priority patent/WO2000043589A1/en
Priority to CA002360638A priority patent/CA2360638A1/en
Priority to SE0102387A priority patent/SE0102387L/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)
FI990127A 1999-01-22 1999-01-22 Förfarande för behandling av massa FI990127A0 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI990127A FI990127A0 (sv) 1999-01-22 1999-01-22 Förfarande för behandling av massa
AU22974/00A AU2297400A (en) 1999-01-22 2000-01-20 Treatment of recirculated filtrates in pulp production
PCT/FI2000/000045 WO2000043589A1 (en) 1999-01-22 2000-01-20 Treatment of recirculated filtrates in pulp production
CA002360638A CA2360638A1 (en) 1999-01-22 2000-01-20 Treatment of recirculated filtrates in pulp production
SE0102387A SE0102387L (sv) 1999-01-22 2001-07-04 Behandling av återcirkulerade filtrater i tillverkning av massa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI990127A FI990127A0 (sv) 1999-01-22 1999-01-22 Förfarande för behandling av massa

Publications (1)

Publication Number Publication Date
FI990127A0 true FI990127A0 (sv) 1999-01-22

Family

ID=8553467

Family Applications (1)

Application Number Title Priority Date Filing Date
FI990127A FI990127A0 (sv) 1999-01-22 1999-01-22 Förfarande för behandling av massa

Country Status (5)

Country Link
AU (1) AU2297400A (sv)
CA (1) CA2360638A1 (sv)
FI (1) FI990127A0 (sv)
SE (1) SE0102387L (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
WO2000043589B1 (en) 2000-10-12
CA2360638A1 (en) 2000-07-27
SE0102387D0 (sv) 2001-07-04
SE0102387L (sv) 2001-07-04
AU2297400A (en) 2000-08-07

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