ATE267288T1 - Sauerstoffbehandlung von filtraten aus einer bleichanlage - Google Patents

Sauerstoffbehandlung von filtraten aus einer bleichanlage

Info

Publication number
ATE267288T1
ATE267288T1 AT97952166T AT97952166T ATE267288T1 AT E267288 T1 ATE267288 T1 AT E267288T1 AT 97952166 T AT97952166 T AT 97952166T AT 97952166 T AT97952166 T AT 97952166T AT E267288 T1 ATE267288 T1 AT E267288T1
Authority
AT
Austria
Prior art keywords
pulp
bleaching
filtrates
part flow
oxygen treatment
Prior art date
Application number
AT97952166T
Other languages
English (en)
Inventor
Monica Bokstroem
Peter Hardmeier
Bjoern Jansson
Martin Petersson
Anna Tigerstroem
Original Assignee
Aga Aktiebolag Publ
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 Aga Aktiebolag Publ filed Critical Aga Aktiebolag Publ
Application granted granted Critical
Publication of ATE267288T1 publication Critical patent/ATE267288T1/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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching 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
    • 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
    • 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
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
AT97952166T 1996-12-27 1997-12-23 Sauerstoffbehandlung von filtraten aus einer bleichanlage ATE267288T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9604802A SE9604802L (sv) 1996-12-27 1996-12-27 Förfarande för behandling av cellulosafibrer
PCT/SE1997/002214 WO1998029598A1 (en) 1996-12-27 1997-12-23 Treatment of bleach plant filtrates with oxygen

Publications (1)

Publication Number Publication Date
ATE267288T1 true ATE267288T1 (de) 2004-06-15

Family

ID=20405154

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97952166T ATE267288T1 (de) 1996-12-27 1997-12-23 Sauerstoffbehandlung von filtraten aus einer bleichanlage

Country Status (10)

Country Link
EP (1) EP0950136B1 (de)
JP (1) JP2001519858A (de)
AT (1) ATE267288T1 (de)
AU (1) AU5582598A (de)
BR (1) BR9714440A (de)
CA (1) CA2275710C (de)
DE (1) DE69729215T2 (de)
NO (1) NO325725B1 (de)
SE (1) SE9604802L (de)
WO (1) WO1998029598A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE522161C2 (sv) * 1999-06-17 2004-01-20 Kvaerner Pulping Tech Förfarande och anordning för syrgasdelignifiering med förbättrad kappareduktion
FI117391B (fi) 2000-05-16 2006-09-29 Andritz Oy Menetelmä ja laitteisto massan käsittelemiseksi
FI20065494A0 (fi) * 2006-07-14 2006-07-14 Linde Ag Menetelmä suodoksen käsittelemiseksi hapella ja hapen käyttö suodoksen haitallisten komponenttien vähentämiseksi
FI126551B (fi) * 2009-11-25 2017-02-15 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
WO2015197917A1 (en) * 2014-06-23 2015-12-30 Metsä Fibre Oy Method of delignifying fibrous suspensions of alkaline cooking

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0564443A1 (de) * 1992-03-15 1993-10-06 Kamyr, Inc. Behandlung von Bleichabwässern
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents

Also Published As

Publication number Publication date
DE69729215T2 (de) 2005-05-25
EP0950136A1 (de) 1999-10-20
NO993120D0 (no) 1999-06-23
DE69729215D1 (de) 2004-06-24
EP0950136B1 (de) 2004-05-19
SE9604802D0 (sv) 1996-12-27
AU5582598A (en) 1998-07-31
NO325725B1 (no) 2008-07-07
NO993120L (no) 1999-08-25
JP2001519858A (ja) 2001-10-23
CA2275710C (en) 2006-03-14
SE9604802L (sv) 1998-06-28
BR9714440A (pt) 2000-03-21
WO1998029598A1 (en) 1998-07-09
CA2275710A1 (en) 1998-07-09

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