SE513403C2 - Förfarande för oxidering av vitlut - Google Patents
Förfarande för oxidering av vitlutInfo
- 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
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)
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)
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)
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 |
-
1999
- 1999-01-18 SE SE9900143A patent/SE513403C2/sv not_active IP Right Cessation
-
2000
- 2000-01-04 WO PCT/SE2000/000007 patent/WO2000044978A1/en active Application Filing
- 2000-01-04 AU AU23350/00A patent/AU2335000A/en not_active Abandoned
-
2001
- 2001-07-17 FI FI20011551A patent/FI20011551A/fi not_active IP Right Cessation
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 |