NO953993D0 - Fremgangsmåte for behandling av prosessvann - Google Patents

Fremgangsmåte for behandling av prosessvann

Info

Publication number
NO953993D0
NO953993D0 NO953993A NO953993A NO953993D0 NO 953993 D0 NO953993 D0 NO 953993D0 NO 953993 A NO953993 A NO 953993A NO 953993 A NO953993 A NO 953993A NO 953993 D0 NO953993 D0 NO 953993D0
Authority
NO
Norway
Prior art keywords
water treatment
treatment process
process water
water
treatment
Prior art date
Application number
NO953993A
Other languages
English (en)
Other versions
NO953993L (no
Inventor
Ulf Germgaard
Solveig Norden
Original Assignee
Sunds Defibrator Ind Ab
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 Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab
Publication of NO953993L publication Critical patent/NO953993L/no
Publication of NO953993D0 publication Critical patent/NO953993D0/no

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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • 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
NO953993A 1993-04-07 1995-10-06 Fremgangsmåte for behandling av prosessvann NO953993D0 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9301161A SE9301161L (sv) 1993-04-07 1993-04-07 Förfarande för behandling av processvatten
PCT/SE1994/000130 WO1994023122A1 (en) 1993-04-07 1994-02-17 Method of treating process water

Publications (2)

Publication Number Publication Date
NO953993L NO953993L (no) 1995-10-06
NO953993D0 true NO953993D0 (no) 1995-10-06

Family

ID=20389509

Family Applications (1)

Application Number Title Priority Date Filing Date
NO953993A NO953993D0 (no) 1993-04-07 1995-10-06 Fremgangsmåte for behandling av prosessvann

Country Status (12)

Country Link
EP (1) EP0693144A1 (no)
JP (1) JPH08508546A (no)
CN (1) CN1120358A (no)
AU (1) AU672501B2 (no)
BR (1) BR9406105A (no)
CA (1) CA2160123A1 (no)
FI (1) FI954766A0 (no)
NO (1) NO953993D0 (no)
NZ (1) NZ263264A (no)
SE (1) SE9301161L (no)
WO (1) WO1994023122A1 (no)
ZA (1) ZA941235B (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9301160L (sv) * 1992-08-28 1994-03-01 Sunds Defibrator Ind Ab Förfarande för behandling av processvatten
SE504424C2 (sv) * 1994-11-04 1997-02-10 Kvaerner Pulping Tech Sätt att fälla ut övergångsmetaller och alkaliska jordartsmetaller ur blekeriavlutar genom att tillsätta alkalisk vätska
SE9500732L (sv) * 1995-02-27 1996-08-28 Eka Chemicals Ab Förfarande för behandling av vätskor
US5792315A (en) * 1995-02-27 1998-08-11 Eka Chemicals Ab Purifying aqueous effluent from a pulp mill using electro chemical membrane device
SE9803384L (sv) 1998-03-02 1999-09-03 Kemira Kemi Ab Förfarande för behandling av processvatten
NZ713552A (en) * 2008-12-19 2016-08-26 Xyleco Inc Processing hydrocarbon containing materials
US20100263813A1 (en) * 2009-04-21 2010-10-21 Andritz Inc. Green liquor pretreatment of lignocellulosic material
CN103180506A (zh) * 2011-09-19 2013-06-26 北京沃特玛德环境技术股份有限公司 造纸工业碱回收固体废渣综合利用的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684472A (en) * 1985-12-26 1987-08-04 Phillips Petroleum Company Precipitation of waste chromium compounds utilizing an aqueous sulfide solution
ES2053858T3 (es) * 1989-04-28 1994-08-01 Siemens Ag Procedimiento para la eliminacion de cobre de agua residual.
US5120448A (en) * 1990-09-19 1992-06-09 Dorica Josesph G Removal of aox frm bleach plant mill effluents by ph shift using the alkalinity/acidity sources available at the mill
EP0564443A1 (en) * 1992-03-15 1993-10-06 Kamyr, Inc. Treatment of bleach plant filtrates

Also Published As

Publication number Publication date
NO953993L (no) 1995-10-06
AU6387694A (en) 1994-10-24
JPH08508546A (ja) 1996-09-10
FI954766A (fi) 1995-10-06
SE9301161L (sv) 1994-10-08
AU672501B2 (en) 1996-10-03
EP0693144A1 (en) 1996-01-24
SE9301161D0 (sv) 1993-04-07
BR9406105A (pt) 1995-12-12
WO1994023122A1 (en) 1994-10-13
CN1120358A (zh) 1996-04-10
FI954766A0 (fi) 1995-10-06
CA2160123A1 (en) 1994-10-13
NZ263264A (en) 1996-08-27
ZA941235B (en) 1994-09-20

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