SE8703541L - Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning - Google Patents
Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekningInfo
- Publication number
- SE8703541L SE8703541L SE8703541A SE8703541A SE8703541L SE 8703541 L SE8703541 L SE 8703541L SE 8703541 A SE8703541 A SE 8703541A SE 8703541 A SE8703541 A SE 8703541A SE 8703541 L SE8703541 L SE 8703541L
- Authority
- SE
- Sweden
- Prior art keywords
- works
- combination
- paper pulp
- bleaching process
- oxygen delignification
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052760 oxygen Inorganic materials 0.000 title abstract 2
- 239000001301 oxygen Substances 0.000 title abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 title abstract 2
- 229920001131 Pulp (paper) Polymers 0.000 title 1
- 238000004061 bleaching Methods 0.000 title 1
- 238000009835 boiling Methods 0.000 title 1
- 239000003513 alkali Substances 0.000 abstract 2
- 230000029087 digestion Effects 0.000 abstract 1
- 150000002681 magnesium compounds Chemical class 0.000 abstract 1
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
- D21C3/263—Multistage processes at least one stage being in presence of oxygen
Landscapes
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8703541A SE8703541L (sv) | 1987-09-14 | 1987-09-14 | Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8703541A SE8703541L (sv) | 1987-09-14 | 1987-09-14 | Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8703541D0 SE8703541D0 (sv) | 1987-09-14 |
| SE8703541L true SE8703541L (sv) | 1989-03-15 |
Family
ID=20369555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8703541A SE8703541L (sv) | 1987-09-14 | 1987-09-14 | Pappersmassakokning enligt sulfatmetoden i kombination med alkalisk oxygendelignifiering och aatfoeljande slutblekning |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE8703541L (sv) |
-
1987
- 1987-09-14 SE SE8703541A patent/SE8703541L/sv not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| SE8703541D0 (sv) | 1987-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
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