SE9604217D0 - Method and apparatus for delignifying chemical pu lp - Google Patents
Method and apparatus for delignifying chemical pu lpInfo
- Publication number
- SE9604217D0 SE9604217D0 SE9604217A SE9604217A SE9604217D0 SE 9604217 D0 SE9604217 D0 SE 9604217D0 SE 9604217 A SE9604217 A SE 9604217A SE 9604217 A SE9604217 A SE 9604217A SE 9604217 D0 SE9604217 D0 SE 9604217D0
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- delignification
- alkali
- steps
- relates
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI955519A FI955519A (sv) | 1995-11-16 | 1995-11-16 | Förfarande och anordning för delignifiering av kemisk massa |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9604217D0 true SE9604217D0 (sv) | 1996-11-18 |
SE9604217A0 SE9604217A0 (sv) | 1997-05-17 |
SE9604217L SE9604217L (sv) | 1997-05-17 |
Family
ID=8544398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9604217A SE9604217L (sv) | 1995-11-16 | 1996-11-18 | Förfarande och anordning för delignifiering av kemisk massa |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA2190573A1 (sv) |
FI (1) | FI955519A (sv) |
SE (1) | SE9604217L (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE540043C2 (sv) * | 2015-11-27 | 2018-03-06 | Valmet Oy | Method and system for oxygen delignification of cellulose pulp |
-
1995
- 1995-11-16 FI FI955519A patent/FI955519A/sv unknown
-
1996
- 1996-11-18 CA CA002190573A patent/CA2190573A1/en not_active Abandoned
- 1996-11-18 SE SE9604217A patent/SE9604217L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI955519A (sv) | 1997-05-17 |
SE9604217A0 (sv) | 1997-05-17 |
FI955519A0 (sv) | 1995-11-16 |
SE9604217L (sv) | 1997-05-17 |
CA2190573A1 (en) | 1997-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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