SE513403C2 - Förfarande för oxidering av vitlut - Google Patents

Förfarande för oxidering av vitlut

Info

Publication number
SE513403C2
SE513403C2 SE9900143A SE9900143A SE513403C2 SE 513403 C2 SE513403 C2 SE 513403C2 SE 9900143 A SE9900143 A SE 9900143A SE 9900143 A SE9900143 A SE 9900143A SE 513403 C2 SE513403 C2 SE 513403C2
Authority
SE
Sweden
Prior art keywords
white liquor
sodium
hydrogen peroxide
oxidized
oxidation
Prior art date
Application number
SE9900143A
Other languages
English (en)
Swedish (sv)
Other versions
SE9900143L (sv
SE9900143D0 (sv
Inventor
Anette Olsson
Christos Rampotas
Viveka Svensson
Niclas Oejstedt
Original Assignee
Kemira Kemi 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 Kemira Kemi Ab filed Critical Kemira Kemi Ab
Priority to SE9900143A priority Critical patent/SE513403C2/sv
Publication of SE9900143D0 publication Critical patent/SE9900143D0/xx
Priority to PCT/SE2000/000007 priority patent/WO2000044978A1/en
Priority to AU23350/00A priority patent/AU2335000A/en
Publication of SE9900143L publication Critical patent/SE9900143L/
Publication of SE513403C2 publication Critical patent/SE513403C2/sv
Priority to FI20011551A priority patent/FI20011551A/fi

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
    • 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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment

Landscapes

  • Paper (AREA)
SE9900143A 1999-01-18 1999-01-18 Förfarande för oxidering av vitlut SE513403C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9900143A SE513403C2 (sv) 1999-01-18 1999-01-18 Förfarande för oxidering av vitlut
PCT/SE2000/000007 WO2000044978A1 (en) 1999-01-18 2000-01-04 Process for oxidising white liquor
AU23350/00A AU2335000A (en) 1999-01-18 2000-01-04 Process for oxidising white liquor
FI20011551A FI20011551A (fi) 1999-01-18 2001-07-17 Menetelmä valkolipeän hapettamiseksi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9900143A SE513403C2 (sv) 1999-01-18 1999-01-18 Förfarande för oxidering av vitlut

Publications (3)

Publication Number Publication Date
SE9900143D0 SE9900143D0 (sv) 1999-01-18
SE9900143L SE9900143L (sv) 2000-07-19
SE513403C2 true SE513403C2 (sv) 2000-09-11

Family

ID=20414142

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900143A SE513403C2 (sv) 1999-01-18 1999-01-18 Förfarande för oxidering av vitlut

Country Status (4)

Country Link
AU (1) AU2335000A (fi)
FI (1) FI20011551A (fi)
SE (1) SE513403C2 (fi)
WO (1) WO2000044978A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020002446A1 (de) 2020-04-23 2021-10-28 Messer Austria Gmbh Verfahren und Vorrichtung zur Weißlaugenoxidation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382322A (en) * 1991-10-18 1995-01-17 Air Products And Chemicals, Inc. Selective white liquor oxidation
WO1994001616A1 (en) * 1992-07-09 1994-01-20 Kamyr, Inc. White liquor oxidation for bleach plant use
US5439556A (en) * 1993-08-16 1995-08-08 The Boc Group, Inc. Oxidation of white liquor using a packing column

Also Published As

Publication number Publication date
FI20011551A (fi) 2001-07-17
AU2335000A (en) 2000-08-18
SE9900143L (sv) 2000-07-19
SE9900143D0 (sv) 1999-01-18
WO2000044978A1 (en) 2000-08-03

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Legal Events

Date Code Title Description
NUG Patent has lapsed