SE8106203L - Sett for polysulfidbehandling av lignocellulosamaterial vid alkalisk massaframstellning - Google Patents
Sett for polysulfidbehandling av lignocellulosamaterial vid alkalisk massaframstellningInfo
- Publication number
- SE8106203L SE8106203L SE8106203A SE8106203A SE8106203L SE 8106203 L SE8106203 L SE 8106203L SE 8106203 A SE8106203 A SE 8106203A SE 8106203 A SE8106203 A SE 8106203A SE 8106203 L SE8106203 L SE 8106203L
- Authority
- SE
- Sweden
- Prior art keywords
- liquor
- polysulphide
- wood chips
- wood
- chips
- 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
- D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8106203A SE8106203L (sv) | 1981-10-21 | 1981-10-21 | Sett for polysulfidbehandling av lignocellulosamaterial vid alkalisk massaframstellning |
PCT/SE1982/000330 WO1983001469A1 (en) | 1981-10-21 | 1982-10-13 | A method of polysulphide treatment in alkaline pulping of lignocellulose material |
DE8282903084T DE3274887D1 (en) | 1981-10-21 | 1982-10-13 | A method of polysulphide treatment in alkaline pulping of lignocellulose material |
AT82903084T ATE24556T1 (de) | 1981-10-21 | 1982-10-13 | Verfahren zur polysulfidbehandlung im alkalischen pulpverfahren von lignocellulosematerial. |
EP82903084A EP0091457B1 (en) | 1981-10-21 | 1982-10-13 | A method of polysulphide treatment in alkaline pulping of lignocellulose material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8106203A SE8106203L (sv) | 1981-10-21 | 1981-10-21 | Sett for polysulfidbehandling av lignocellulosamaterial vid alkalisk massaframstellning |
Publications (1)
Publication Number | Publication Date |
---|---|
SE8106203L true SE8106203L (sv) | 1983-04-22 |
Family
ID=20344836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8106203A SE8106203L (sv) | 1981-10-21 | 1981-10-21 | Sett for polysulfidbehandling av lignocellulosamaterial vid alkalisk massaframstellning |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0091457B1 (sv) |
AT (1) | ATE24556T1 (sv) |
DE (1) | DE3274887D1 (sv) |
SE (1) | SE8106203L (sv) |
WO (1) | WO1983001469A1 (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI122841B (sv) * | 2004-10-04 | 2012-07-31 | Metso Paper Inc | Förfarande och anordning för tillverkning av cellulosamassa |
US8940129B2 (en) * | 2010-12-30 | 2015-01-27 | Uop Llc | Process for reducing one or more insoluble solids in a black liquor |
SE538792C2 (sv) | 2015-02-06 | 2016-11-29 | Stora Enso Oyj | Apparatus and method for component assembly |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI40677B (sv) * | 1961-05-27 | 1968-12-31 | Papirind Forskningsinst | |
NO123511C (sv) * | 1966-05-14 | 1976-07-22 | Domtar Ltd | |
US3567572A (en) * | 1967-09-06 | 1971-03-02 | Pulp Paper Res Inst | Polysulfide liquor impregnation of lignocellulose materials in a multistage pulping process |
US3723242A (en) * | 1971-04-01 | 1973-03-27 | Union Camp Corp | Oxidation of sulfide pulping liquor to form polysulfide liquor in situ |
NO142408C (no) * | 1972-04-11 | 1980-08-20 | Rosenlew Ab Oy W | Fremgangsmaate ved alkalisk cellulosekoking. |
CA1013903A (en) * | 1973-06-04 | 1977-07-19 | Union Camp Corporation | Method of pulping with polysulfide |
-
1981
- 1981-10-21 SE SE8106203A patent/SE8106203L/sv not_active Application Discontinuation
-
1982
- 1982-10-13 AT AT82903084T patent/ATE24556T1/de not_active IP Right Cessation
- 1982-10-13 EP EP82903084A patent/EP0091457B1/en not_active Expired
- 1982-10-13 WO PCT/SE1982/000330 patent/WO1983001469A1/en active IP Right Grant
- 1982-10-13 DE DE8282903084T patent/DE3274887D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ATE24556T1 (de) | 1987-01-15 |
EP0091457B1 (en) | 1986-12-30 |
WO1983001469A1 (en) | 1983-04-28 |
EP0091457A1 (en) | 1983-10-19 |
DE3274887D1 (en) | 1987-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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