SE7511293L - Massaframstellningsprocess - Google Patents
MassaframstellningsprocessInfo
- Publication number
- SE7511293L SE7511293L SE7511293A SE7511293A SE7511293L SE 7511293 L SE7511293 L SE 7511293L SE 7511293 A SE7511293 A SE 7511293A SE 7511293 A SE7511293 A SE 7511293A SE 7511293 L SE7511293 L SE 7511293L
- Authority
- SE
- Sweden
- Prior art keywords
- production process
- mass production
- lignocellulosic material
- pulp
- cooking treatment
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000010411 cooking Methods 0.000 abstract 2
- 239000012978 lignocellulosic material Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 229920002488 Hemicellulose Polymers 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 229920005610 lignin Polymers 0.000 abstract 1
- AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 abstract 1
- -1 quinone compound Chemical class 0.000 abstract 1
- 239000000126 substance Substances 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
- D21C3/003—Pulping cellulose-containing materials with organic 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
-
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11548674A JPS5143403A (en) | 1974-10-09 | 1974-10-09 | Arukariparupuno seizohoho |
JP3645075A JPS51112903A (en) | 1975-03-26 | 1975-03-26 | Process for digesting lignocellulose material with sulphites |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7511293L true SE7511293L (sv) | 1976-04-12 |
SE452342B SE452342B (sv) | 1987-11-23 |
Family
ID=26375511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7511293A SE452342B (sv) | 1974-10-09 | 1975-10-08 | Forfarande for framstellning av massa, varvid man underkastar lignocellulosamaterial kemisk kokningsbehandling |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA1079906A (sv) |
SE (1) | SE452342B (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5728265A (en) * | 1995-06-12 | 1998-03-17 | Henkel Corporation | Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane |
-
1975
- 1975-10-08 SE SE7511293A patent/SE452342B/sv not_active IP Right Cessation
- 1975-10-09 CA CA237,371A patent/CA1079906A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE452342B (sv) | 1987-11-23 |
CA1079906A (en) | 1980-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
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NUG | Patent has lapsed |
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