SE9603415L - Förfarande för framställning av cellulosamassa med högt utbyte - Google Patents
Förfarande för framställning av cellulosamassa med högt utbyteInfo
- Publication number
- SE9603415L SE9603415L SE9603415A SE9603415A SE9603415L SE 9603415 L SE9603415 L SE 9603415L SE 9603415 A SE9603415 A SE 9603415A SE 9603415 A SE9603415 A SE 9603415A SE 9603415 L SE9603415 L SE 9603415L
- Authority
- SE
- Sweden
- Prior art keywords
- cooking
- flow
- zone
- counter
- cellulose pulp
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title abstract 2
- 239000001913 cellulose Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000010411 cooking Methods 0.000 abstract 8
- 238000005470 impregnation Methods 0.000 abstract 3
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 239000002023 wood Substances 0.000 abstract 2
- 239000004155 Chlorine dioxide Substances 0.000 abstract 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 238000004061 bleaching Methods 0.000 abstract 1
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- 238000002203 pretreatment Methods 0.000 abstract 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 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
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- 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
- D21C3/24—Continuous processes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603415A SE9603415L (sv) | 1996-09-19 | 1996-09-19 | Förfarande för framställning av cellulosamassa med högt utbyte |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9603415A SE9603415L (sv) | 1996-09-19 | 1996-09-19 | Förfarande för framställning av cellulosamassa med högt utbyte |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9603415D0 SE9603415D0 (sv) | 1996-09-19 |
SE9603415L true SE9603415L (sv) | 1998-03-20 |
Family
ID=20403941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9603415A SE9603415L (sv) | 1996-09-19 | 1996-09-19 | Förfarande för framställning av cellulosamassa med högt utbyte |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE9603415L (sv) |
-
1996
- 1996-09-19 SE SE9603415A patent/SE9603415L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE9603415D0 (sv) | 1996-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |