ATE347636T1 - Reinigung alkalischer waschflüssigkeit - Google Patents

Reinigung alkalischer waschflüssigkeit

Info

Publication number
ATE347636T1
ATE347636T1 AT04725953T AT04725953T ATE347636T1 AT E347636 T1 ATE347636 T1 AT E347636T1 AT 04725953 T AT04725953 T AT 04725953T AT 04725953 T AT04725953 T AT 04725953T AT E347636 T1 ATE347636 T1 AT E347636T1
Authority
AT
Austria
Prior art keywords
flow
washing liquid
washer
part flow
pulp
Prior art date
Application number
AT04725953T
Other languages
English (en)
Inventor
Pasi Pigg
Hannu Sonni
Marjo Toeroenen
Original Assignee
Stora Enso Oyj
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8565931&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE347636(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stora Enso Oyj filed Critical Stora Enso Oyj
Application granted granted Critical
Publication of ATE347636T1 publication Critical patent/ATE347636T1/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
    • 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
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Physical Water Treatments (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Detergent Compositions (AREA)
AT04725953T 2003-04-07 2004-04-06 Reinigung alkalischer waschflüssigkeit ATE347636T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20030522A FI115977B2 (fi) 2003-04-07 2003-04-07 Alkalisen pesunesteen puhdistaminen

Publications (1)

Publication Number Publication Date
ATE347636T1 true ATE347636T1 (de) 2006-12-15

Family

ID=8565931

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04725953T ATE347636T1 (de) 2003-04-07 2004-04-06 Reinigung alkalischer waschflüssigkeit

Country Status (8)

Country Link
US (1) US20070039702A1 (de)
EP (1) EP1611281B1 (de)
JP (1) JP2006522235A (de)
AT (1) ATE347636T1 (de)
DE (1) DE602004003573T2 (de)
ES (1) ES2278312T3 (de)
FI (1) FI115977B2 (de)
WO (1) WO2004090225A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4825709B2 (ja) * 2007-03-15 2011-11-30 三菱製紙株式会社 発泡及びピッチトラブル抑制方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
SE9303762L (sv) * 1993-11-15 1995-05-16 Eka Nobel Ab Sätt att rena processvatten från massaframställning
FI990127A7 (fi) * 1999-01-22 2000-07-23 Andritz Oy Menetelmä massan käsittelemiseksi
SE519342C2 (sv) * 1999-10-25 2003-02-18 Andritz Oy Förfarande och anordning för att avskilja såpa från tvättfiltrat
US6752903B2 (en) * 2001-07-27 2004-06-22 Craig A. Bianchini Method for mitigating the interference caused by high-molecular weight by-products in pulping processes

Also Published As

Publication number Publication date
ES2278312T3 (es) 2007-08-01
EP1611281B1 (de) 2006-12-06
DE602004003573D1 (de) 2007-01-18
DE602004003573T2 (de) 2007-09-27
WO2004090225A1 (en) 2004-10-21
FI20030522L (fi) 2004-10-08
JP2006522235A (ja) 2006-09-28
FI20030522A0 (fi) 2003-04-07
US20070039702A1 (en) 2007-02-22
FI115977B2 (fi) 2019-03-29
FI115977B (fi) 2005-08-31
EP1611281A1 (de) 2006-01-04

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