SE9301921L - Framställning av vitlut med förhöjd och/eller minskad sulfiditet - Google Patents

Framställning av vitlut med förhöjd och/eller minskad sulfiditet

Info

Publication number
SE9301921L
SE9301921L SE9301921A SE9301921A SE9301921L SE 9301921 L SE9301921 L SE 9301921L SE 9301921 A SE9301921 A SE 9301921A SE 9301921 A SE9301921 A SE 9301921A SE 9301921 L SE9301921 L SE 9301921L
Authority
SE
Sweden
Prior art keywords
sulphidity
white liquor
pct
reduced
liquor
Prior art date
Application number
SE9301921A
Other languages
Unknown language ( )
English (en)
Other versions
SE501347C2 (sv
SE9301921D0 (sv
Inventor
Ingemar Eriksson
Bertil Granqvist
Bertil Pettersson
Original Assignee
Korsnaes 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 Korsnaes Ab filed Critical Korsnaes Ab
Priority to SE9301921A priority Critical patent/SE501347C2/sv
Publication of SE9301921D0 publication Critical patent/SE9301921D0/sv
Priority to US08/549,770 priority patent/US5667633A/en
Priority to CA002163368A priority patent/CA2163368C/en
Priority to PCT/SE1994/000537 priority patent/WO1994029516A1/en
Publication of SE9301921L publication Critical patent/SE9301921L/sv
Publication of SE501347C2 publication Critical patent/SE501347C2/sv
Priority to FI955805A priority patent/FI110792B/sv

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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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

Landscapes

  • Paper (AREA)
SE9301921A 1993-06-04 1993-06-04 Framställning av vitlut med förhöjd och/eller minskad sulfiditet SE501347C2 (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9301921A SE501347C2 (sv) 1993-06-04 1993-06-04 Framställning av vitlut med förhöjd och/eller minskad sulfiditet
US08/549,770 US5667633A (en) 1993-06-04 1994-06-03 Method of producing white liquor streams of high and low sulphidity
CA002163368A CA2163368C (en) 1993-06-04 1994-06-03 Production of white liquor
PCT/SE1994/000537 WO1994029516A1 (en) 1993-06-04 1994-06-03 Production of white liquor
FI955805A FI110792B (sv) 1993-06-04 1995-12-01 Förfarande för framställning av vitlut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9301921A SE501347C2 (sv) 1993-06-04 1993-06-04 Framställning av vitlut med förhöjd och/eller minskad sulfiditet

Publications (3)

Publication Number Publication Date
SE9301921D0 SE9301921D0 (sv) 1993-06-04
SE9301921L true SE9301921L (sv) 1994-12-05
SE501347C2 SE501347C2 (sv) 1995-01-23

Family

ID=20390169

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9301921A SE501347C2 (sv) 1993-06-04 1993-06-04 Framställning av vitlut med förhöjd och/eller minskad sulfiditet

Country Status (4)

Country Link
US (1) US5667633A (sv)
FI (1) FI110792B (sv)
SE (1) SE501347C2 (sv)
WO (1) WO1994029516A1 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0868563A1 (en) * 1995-12-22 1998-10-07 Combustion Engineering, Inc. Black liquor gasification process and regeneration of pulping liquor
US5738758A (en) * 1995-12-22 1998-04-14 The University Of New Brunswick Process for the conversion of calcium sulfide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1560900A (en) * 1923-10-18 1925-11-10 West Virginia Pulp & Paper Co Process of treating wate sodium monosulphite liquors
US1743080A (en) * 1926-03-22 1930-01-07 Bradley Mckeefe Corp Manufacture of pulp and treatment of residual liquors, etc.
US3336535A (en) * 1966-02-14 1967-08-15 Varian Associates Semiconductor microwave oscillator
US3366535A (en) * 1966-07-11 1968-01-30 William T Neiman Process for regenerating waste liquor for reuse in kraft pulping operation
FR2550245B3 (fr) * 1983-08-04 1986-02-28 Nivelleau Bruniere Patrick M F Procede de combustion des liqueurs noires residuaires de fabrication de pate cellulosique
SE456254B (sv) * 1987-02-12 1988-09-19 Korsnes Ab Sett att rena gronlut i sulfatmassafabrikers kemikalieatervinning
ATE155541T1 (de) * 1991-05-13 1997-08-15 H A Simons Ltd Herstellung von weisslange und aufschlussverfahren

Also Published As

Publication number Publication date
FI110792B (sv) 2003-03-31
WO1994029516A1 (en) 1994-12-22
FI955805A (sv) 1995-12-01
FI955805A0 (sv) 1995-12-01
US5667633A (en) 1997-09-16
SE501347C2 (sv) 1995-01-23
SE9301921D0 (sv) 1993-06-04

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