FI43525B - - Google Patents
Info
- Publication number
- FI43525B FI43525B FI0410/64A FI41064A FI43525B FI 43525 B FI43525 B FI 43525B FI 0410/64 A FI0410/64 A FI 0410/64A FI 41064 A FI41064 A FI 41064A FI 43525 B FI43525 B FI 43525B
- Authority
- FI
- Finland
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
- D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
-
- 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
- D21C9/1047—Conserving the bleached pulp
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26342463A | 1963-03-07 | 1963-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI43525B true FI43525B (no) | 1970-12-31 |
Family
ID=23001721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI0410/64A FI43525B (no) | 1963-03-07 | 1964-02-27 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE656601A (no) |
| DE (1) | DE1546249A1 (no) |
| FI (1) | FI43525B (no) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2639371B1 (fr) * | 1988-11-24 | 1995-04-14 | Atochem | Procede de blanchiment de pates desencrees |
-
1964
- 1964-02-27 FI FI0410/64A patent/FI43525B/fi active
- 1964-02-28 DE DE19641546249 patent/DE1546249A1/de active Pending
- 1964-12-03 BE BE656601A patent/BE656601A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE656601A (no) | 1964-12-31 |
| DE1546249A1 (de) | 1970-03-26 |