CA1145106A - Procede d'amelioration des pates mecaniques - Google Patents
Procede d'amelioration des pates mecaniquesInfo
- Publication number
- CA1145106A CA1145106A CA000356023A CA356023A CA1145106A CA 1145106 A CA1145106 A CA 1145106A CA 000356023 A CA000356023 A CA 000356023A CA 356023 A CA356023 A CA 356023A CA 1145106 A CA1145106 A CA 1145106A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- mechanical
- temperature
- treatment
- effected
- 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
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- 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 |
---|---|---|---|
CA000356023A CA1145106A (fr) | 1980-07-11 | 1980-07-11 | Procede d'amelioration des pates mecaniques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000356023A CA1145106A (fr) | 1980-07-11 | 1980-07-11 | Procede d'amelioration des pates mecaniques |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1145106A true CA1145106A (fr) | 1983-04-26 |
Family
ID=4117404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000356023A Expired CA1145106A (fr) | 1980-07-11 | 1980-07-11 | Procede d'amelioration des pates mecaniques |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1145106A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0199481A1 (fr) * | 1985-04-04 | 1986-10-29 | Caxton Paper Limited | Procédé de fabrication de pâtes cellulosiques |
-
1980
- 1980-07-11 CA CA000356023A patent/CA1145106A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0199481A1 (fr) * | 1985-04-04 | 1986-10-29 | Caxton Paper Limited | Procédé de fabrication de pâtes cellulosiques |
AU585331B2 (en) * | 1985-04-04 | 1989-06-15 | Caxton Paper Ltd. | A process for the manufacture of cellulose pulps and cellulose pulps obtained thereby |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |