SE9704273L - Nytt förfarande vid framställning av kemisk massa - Google Patents
Nytt förfarande vid framställning av kemisk massaInfo
- Publication number
- SE9704273L SE9704273L SE9704273A SE9704273A SE9704273L SE 9704273 L SE9704273 L SE 9704273L SE 9704273 A SE9704273 A SE 9704273A SE 9704273 A SE9704273 A SE 9704273A SE 9704273 L SE9704273 L SE 9704273L
- Authority
- SE
- Sweden
- Prior art keywords
- chemical pulp
- preparation
- new process
- liquor
- ion content
- Prior art date
Links
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 abstract 2
- 150000004056 anthraquinones Chemical class 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 2
- 239000002023 wood Substances 0.000 abstract 2
- 238000010411 cooking Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/08—Pretreatment of the finely-divided materials before digesting with oxygen-generating 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Landscapes
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9704273A SE9704273L (sv) | 1997-11-21 | 1997-11-21 | Nytt förfarande vid framställning av kemisk massa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9704273A SE9704273L (sv) | 1997-11-21 | 1997-11-21 | Nytt förfarande vid framställning av kemisk massa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE9704273D0 SE9704273D0 (sv) | 1997-11-21 |
| SE9704273L true SE9704273L (sv) | 1999-05-22 |
Family
ID=20409065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9704273A SE9704273L (sv) | 1997-11-21 | 1997-11-21 | Nytt förfarande vid framställning av kemisk massa |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE9704273L (sv) |
-
1997
- 1997-11-21 SE SE9704273A patent/SE9704273L/sv not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| SE9704273D0 (sv) | 1997-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |