CA1179807A - Methode de digestion des matieres cellulosiques - Google Patents
Methode de digestion des matieres cellulosiquesInfo
- Publication number
- CA1179807A CA1179807A CA000396961A CA396961A CA1179807A CA 1179807 A CA1179807 A CA 1179807A CA 000396961 A CA000396961 A CA 000396961A CA 396961 A CA396961 A CA 396961A CA 1179807 A CA1179807 A CA 1179807A
- Authority
- CA
- Canada
- Prior art keywords
- digester
- liquor
- liquid
- temperature
- spent liquor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- D21C3/00—Pulping cellulose-containing materials
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
-
- 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
-
- 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
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24080481A | 1981-03-05 | 1981-03-05 | |
| US240,804 | 1981-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1179807A true CA1179807A (fr) | 1984-12-27 |
Family
ID=22908014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000396961A Expired CA1179807A (fr) | 1981-03-05 | 1982-02-24 | Methode de digestion des matieres cellulosiques |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS57176282A (fr) |
| BR (1) | BR8201145A (fr) |
| CA (1) | CA1179807A (fr) |
| FI (1) | FI79724C (fr) |
| SE (1) | SE463267B (fr) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR7406365D0 (pt) * | 1974-08-02 | 1974-11-19 | Suzano Papel & Celulose | Equipamento e metodo para delignificar materiais fibrosos com solucoes alcalinas |
| CA1079008A (fr) * | 1975-10-24 | 1980-06-10 | Cp Associates Limited | Procede de fabrication de pate a papier au solvant |
-
1982
- 1982-02-24 CA CA000396961A patent/CA1179807A/fr not_active Expired
- 1982-02-25 FI FI820643A patent/FI79724C/fi not_active IP Right Cessation
- 1982-03-04 BR BR8201145A patent/BR8201145A/pt not_active IP Right Cessation
- 1982-03-04 JP JP57034512A patent/JPS57176282A/ja active Granted
- 1982-03-04 SE SE8201334A patent/SE463267B/sv not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| SE8201334L (sv) | 1982-09-06 |
| JPS57176282A (en) | 1982-10-29 |
| FI79724C (fi) | 1992-12-29 |
| BR8201145A (pt) | 1983-01-11 |
| SE463267B (sv) | 1990-10-29 |
| FI820643L (fi) | 1982-09-06 |
| FI79724B (fi) | 1989-10-31 |
| JPH0244957B2 (fr) | 1990-10-05 |
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| US20060175029A1 (en) | Batch process for preparing pulp | |
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| US1653416A (en) | Method and apparatus for treating fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |