FR2286234A1 - Fabrication de pate de cellulose blanchie - Google Patents
Fabrication de pate de cellulose blanchieInfo
- Publication number
- FR2286234A1 FR2286234A1 FR7529671A FR7529671A FR2286234A1 FR 2286234 A1 FR2286234 A1 FR 2286234A1 FR 7529671 A FR7529671 A FR 7529671A FR 7529671 A FR7529671 A FR 7529671A FR 2286234 A1 FR2286234 A1 FR 2286234A1
- Authority
- FR
- France
- Prior art keywords
- paste
- liquor
- carpet
- bleaching
- solns
- 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.)
- Granted
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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1031—Pulse, dynamic, displacement 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA210200 | 1974-09-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2286234A1 true FR2286234A1 (fr) | 1976-04-23 |
FR2286234B1 FR2286234B1 (fr) | 1979-01-05 |
Family
ID=4101229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7529671A Granted FR2286234A1 (fr) | 1974-09-27 | 1975-09-26 | Fabrication de pate de cellulose blanchie |
Country Status (2)
Country | Link |
---|---|
BR (1) | BR7506255A (fr) |
FR (1) | FR2286234A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2524025A1 (fr) * | 1982-03-29 | 1983-09-30 | Kamyr Ab | Methode de traitement de pulpe par deplacement de liquides par d'autres liquides |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1443743A (fr) * | 1964-08-13 | 1966-06-24 | Electric Reduction Co | Procédé de blanchiment des pâtes cellulosiques |
FR2210695A1 (fr) * | 1972-12-15 | 1974-07-12 | Erco Envirotech Ltd |
-
1975
- 1975-09-26 BR BR7506255A patent/BR7506255A/pt unknown
- 1975-09-26 FR FR7529671A patent/FR2286234A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1443743A (fr) * | 1964-08-13 | 1966-06-24 | Electric Reduction Co | Procédé de blanchiment des pâtes cellulosiques |
FR2210695A1 (fr) * | 1972-12-15 | 1974-07-12 | Erco Envirotech Ltd |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2524025A1 (fr) * | 1982-03-29 | 1983-09-30 | Kamyr Ab | Methode de traitement de pulpe par deplacement de liquides par d'autres liquides |
Also Published As
Publication number | Publication date |
---|---|
BR7506255A (pt) | 1976-08-31 |
AU8524475A (en) | 1977-04-07 |
FR2286234B1 (fr) | 1979-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |