SE9400383D0 - Förfarande för avskiljning av klorid ur sulfidhaltig alkalisk lut - Google Patents
Förfarande för avskiljning av klorid ur sulfidhaltig alkalisk lutInfo
- Publication number
- SE9400383D0 SE9400383D0 SE9400383A SE9400383A SE9400383D0 SE 9400383 D0 SE9400383 D0 SE 9400383D0 SE 9400383 A SE9400383 A SE 9400383A SE 9400383 A SE9400383 A SE 9400383A SE 9400383 D0 SE9400383 D0 SE 9400383D0
- Authority
- SE
- Sweden
- Prior art keywords
- gas
- liquid
- sulphide
- contact zone
- alkaline
- 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
- D21C11/0071—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 (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9400383A SE9400383L (sv) | 1994-02-07 | 1994-02-07 | Sätt att rena en sulfidhaltig alkalisk lut från klorid |
EP95909161A EP0745155A1 (en) | 1994-02-07 | 1995-01-23 | Process for separating off chloride from sulphide-containing alkaline liquor |
CA 2181584 CA2181584A1 (en) | 1994-02-07 | 1995-01-23 | Process for separating off chloride from sulphide-containing alkaline liquor |
PCT/SE1995/000059 WO1995021291A1 (en) | 1994-02-07 | 1995-01-23 | Process for separating off chloride from sulphide-containing alkaline liquor |
AU17215/95A AU1721595A (en) | 1994-02-07 | 1995-01-23 | Process for separating off chloride from sulphide-containing alkaline liquor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9400383A SE9400383L (sv) | 1994-02-07 | 1994-02-07 | Sätt att rena en sulfidhaltig alkalisk lut från klorid |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9400383D0 true SE9400383D0 (sv) | 1994-02-07 |
SE9400383L SE9400383L (sv) | 1995-08-08 |
Family
ID=20392823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9400383A SE9400383L (sv) | 1994-02-07 | 1994-02-07 | Sätt att rena en sulfidhaltig alkalisk lut från klorid |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0745155A1 (sv) |
AU (1) | AU1721595A (sv) |
CA (1) | CA2181584A1 (sv) |
SE (1) | SE9400383L (sv) |
WO (1) | WO1995021291A1 (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI122237B (sv) * | 2007-06-15 | 2011-10-31 | Andritz Oy | Förfarande för behandling av vätskeströmmar i cellulosafabriker |
AT514010B1 (de) * | 2013-02-26 | 2015-02-15 | Mondi Ag | Verfahren zur Kaustifizierung von Grünlauge |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2841561A (en) * | 1954-03-12 | 1958-07-01 | Rayonier Inc | Recovery of chemicals from smelt solutions |
US3210235A (en) * | 1963-04-08 | 1965-10-05 | Scott Paper Co | Pulping of cellulose materials in the presence of free sulfur in a kraft pulping system and cyclic liquor recovery therefor |
US3650888A (en) * | 1970-06-11 | 1972-03-21 | Combustion Eng | Pollution controlled polysulfide recovery process |
SE434860B (sv) * | 1976-11-15 | 1984-08-20 | Mo Och Domsjoe Ab | Forfarande for utstotning av klorider ur kemikalieatervinningssystem vid natriumbaserade massaframstellningsprocesser |
FI67732C (fi) * | 1982-10-20 | 1985-05-10 | Tampella Oy Ab | Saett att aotervinna kemikalier fraon kloridhaltig groenlut |
-
1994
- 1994-02-07 SE SE9400383A patent/SE9400383L/sv not_active Application Discontinuation
-
1995
- 1995-01-23 CA CA 2181584 patent/CA2181584A1/en not_active Abandoned
- 1995-01-23 WO PCT/SE1995/000059 patent/WO1995021291A1/en not_active Application Discontinuation
- 1995-01-23 AU AU17215/95A patent/AU1721595A/en not_active Abandoned
- 1995-01-23 EP EP95909161A patent/EP0745155A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA2181584A1 (en) | 1995-08-10 |
SE9400383L (sv) | 1995-08-08 |
WO1995021291A1 (en) | 1995-08-10 |
EP0745155A1 (en) | 1996-12-04 |
AU1721595A (en) | 1995-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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