FI770150A - - Google Patents
Info
- Publication number
- FI770150A FI770150A FI770150A FI770150A FI770150A FI 770150 A FI770150 A FI 770150A FI 770150 A FI770150 A FI 770150A FI 770150 A FI770150 A FI 770150A FI 770150 A FI770150 A FI 770150A
- 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
- D21C9/16—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)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7601285A SE407091B (sv) | 1976-02-05 | 1976-02-05 | Sett att peroxidbleka genom raffinering framstelld cellulosamassa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI770150A true FI770150A (de) | 1977-08-06 |
Family
ID=20326919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI770150A FI770150A (de) | 1976-02-05 | 1977-01-19 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5296204A (de) |
| AT (1) | AT357864B (de) |
| BR (1) | BR7700715A (de) |
| DE (1) | DE2704758B2 (de) |
| FI (1) | FI770150A (de) |
| FR (1) | FR2340399A1 (de) |
| NO (1) | NO770384L (de) |
| NZ (1) | NZ183120A (de) |
| SE (1) | SE407091B (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE452346C (sv) * | 1982-12-17 | 1990-03-26 | Sunds Defibrator | Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg |
| US4849053A (en) * | 1985-09-20 | 1989-07-18 | Scott Paper Company | Method for producing pulp using pre-treatment with stabilizers and defibration |
| US5002635A (en) * | 1985-09-20 | 1991-03-26 | Scott Paper Company | Method for producing pulp using pre-treatment with stabilizers and refining |
| DE69004492T3 (de) * | 1989-06-06 | 2001-11-15 | Eka Nobel Ab, Bohus | Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen. |
| DE4035813A1 (de) * | 1990-11-10 | 1992-05-14 | Akzo Gmbh | Sauerstoffbleichung |
-
1976
- 1976-02-05 SE SE7601285A patent/SE407091B/xx unknown
-
1977
- 1977-01-12 JP JP284577A patent/JPS5296204A/ja active Pending
- 1977-01-19 FI FI770150A patent/FI770150A/fi unknown
- 1977-01-19 NZ NZ183120A patent/NZ183120A/xx unknown
- 1977-01-27 AT AT50877A patent/AT357864B/de not_active IP Right Cessation
- 1977-02-02 FR FR7702850A patent/FR2340399A1/fr not_active Withdrawn
- 1977-02-04 NO NO770384A patent/NO770384L/no unknown
- 1977-02-04 DE DE2704758A patent/DE2704758B2/de not_active Withdrawn
- 1977-02-04 BR BR7700715A patent/BR7700715A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT357864B (de) | 1980-08-11 |
| DE2704758A1 (de) | 1977-08-11 |
| SE407091B (sv) | 1979-03-12 |
| SE7601285L (sv) | 1977-08-06 |
| AU2157077A (en) | 1978-08-03 |
| DE2704758B2 (de) | 1978-05-11 |
| NO770384L (no) | 1977-08-08 |
| ATA50877A (de) | 1979-12-15 |
| JPS5296204A (en) | 1977-08-12 |
| BR7700715A (pt) | 1977-10-11 |
| FR2340399A1 (fr) | 1977-09-02 |
| NZ183120A (en) | 1978-09-20 |