CA1249403A - Avivage des pates a rendement eleve et tres eleve - Google Patents
Avivage des pates a rendement eleve et tres eleveInfo
- Publication number
- CA1249403A CA1249403A CA000486331A CA486331A CA1249403A CA 1249403 A CA1249403 A CA 1249403A CA 000486331 A CA000486331 A CA 000486331A CA 486331 A CA486331 A CA 486331A CA 1249403 A CA1249403 A CA 1249403A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- high yield
- reaction
- minutes
- pulps
- 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
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000486331A CA1249403A (fr) | 1985-07-04 | 1985-07-04 | Avivage des pates a rendement eleve et tres eleve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000486331A CA1249403A (fr) | 1985-07-04 | 1985-07-04 | Avivage des pates a rendement eleve et tres eleve |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1249403A true CA1249403A (fr) | 1989-01-31 |
Family
ID=4130929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000486331A Expired CA1249403A (fr) | 1985-07-04 | 1985-07-04 | Avivage des pates a rendement eleve et tres eleve |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1249403A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5205907A (en) * | 1991-11-25 | 1993-04-27 | Macmillan Bloedel Limited | Removal of manganese from pulp using a chelating agent and magnesium sulphate |
-
1985
- 1985-07-04 CA CA000486331A patent/CA1249403A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5205907A (en) * | 1991-11-25 | 1993-04-27 | Macmillan Bloedel Limited | Removal of manganese from pulp using a chelating agent and magnesium sulphate |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |