AU2297400A - Treatment of recirculated filtrates in pulp production - Google Patents

Treatment of recirculated filtrates in pulp production

Info

Publication number
AU2297400A
AU2297400A AU22974/00A AU2297400A AU2297400A AU 2297400 A AU2297400 A AU 2297400A AU 22974/00 A AU22974/00 A AU 22974/00A AU 2297400 A AU2297400 A AU 2297400A AU 2297400 A AU2297400 A AU 2297400A
Authority
AU
Australia
Prior art keywords
filtrates
recirculated
treatment
pulp production
pulp
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU22974/00A
Other languages
English (en)
Inventor
Olavi Pikka
Pekka Tervola
Janne Vehmaa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andritz Oy
Original Assignee
Andritz 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 Oy filed Critical Andritz Oy
Publication of AU2297400A publication Critical patent/AU2297400A/en
Abandoned legal-status Critical Current

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
    • 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
AU22974/00A 1999-01-22 2000-01-20 Treatment of recirculated filtrates in pulp production Abandoned AU2297400A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI990127 1999-01-22
FI990127A FI990127A0 (fi) 1999-01-22 1999-01-22 Menetelmä massan käsittelemiseksi
PCT/FI2000/000045 WO2000043589A1 (en) 1999-01-22 2000-01-20 Treatment of recirculated filtrates in pulp production

Publications (1)

Publication Number Publication Date
AU2297400A true AU2297400A (en) 2000-08-07

Family

ID=8553467

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22974/00A Abandoned AU2297400A (en) 1999-01-22 2000-01-20 Treatment of recirculated filtrates in pulp production

Country Status (5)

Country Link
AU (1) AU2297400A (fi)
CA (1) CA2360638A1 (fi)
FI (1) FI990127A0 (fi)
SE (1) SE0102387L (fi)
WO (1) WO2000043589A1 (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115977B2 (fi) * 2003-04-07 2019-03-29 Stora Enso Oyj Alkalisen pesunesteen puhdistaminen
WO2015197917A1 (en) * 2014-06-23 2015-12-30 Metsä Fibre Oy Method of delignifying fibrous suspensions of alkaline cooking
SE538452C2 (en) * 2014-11-07 2016-07-05 Valmet Oy Method for operating a two vessel digester system
SE542676C2 (en) * 2017-11-29 2020-06-23 Axolot Solutions Ab Method for washer pulp where 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 (fi) * 1990-05-04 1992-03-25 Poeyry Jaakko & Co Oy Foerfarande foer rening och aoterfoering av cellulosafabrikers blekeriavvatten.
SE470538C (sv) * 1992-12-02 1996-01-11 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
SE0102387D0 (sv) 2001-07-04
FI990127A0 (fi) 1999-01-22
WO2000043589B1 (en) 2000-10-12
SE0102387L (sv) 2001-07-04
CA2360638A1 (en) 2000-07-27
WO2000043589A1 (en) 2000-07-27

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase