FI752334A - - Google Patents
Info
- Publication number
- FI752334A FI752334A FI752334A FI752334A FI752334A FI 752334 A FI752334 A FI 752334A FI 752334 A FI752334 A FI 752334A FI 752334 A FI752334 A FI 752334A FI 752334 A FI752334 A FI 752334A
- 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
- D21C9/1026—Other features in bleaching 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
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
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 |
|---|---|---|---|
| SE7411170A SE390178B (sv) | 1974-09-04 | 1974-09-04 | Sett vid blekning av lignocellulosahaltigt material med en kombination av gasfasklorering och ett system for fortrengningsblekning innehallande klordioxid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI752334A true FI752334A (US20030220297A1-20031127-C00033.png) | 1976-03-05 |
Family
ID=20322052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI752334A FI752334A (US20030220297A1-20031127-C00033.png) | 1974-09-04 | 1975-08-18 |
Country Status (9)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE451606B (sv) * | 1982-09-14 | 1987-10-19 | Sca Development Ab | Sett vid blekning av hogutbytesmassor medelst peroxider |
| SE516969C2 (sv) | 2000-08-14 | 2002-03-26 | Metso Paper Inc | Klordioxidblekning i två steg med återföring av filtrat |
-
1974
- 1974-09-04 SE SE7411170A patent/SE390178B/xx unknown
-
1975
- 1975-07-30 ZA ZA00754902A patent/ZA754902B/xx unknown
- 1975-07-31 AU AU83581/75A patent/AU8358175A/en not_active Expired
- 1975-08-18 FI FI752334A patent/FI752334A/fi not_active Application Discontinuation
- 1975-08-26 BR BR7505456*A patent/BR7505456A/pt unknown
- 1975-09-01 JP JP50106481A patent/JPS5153004A/ja active Pending
- 1975-09-02 NO NO753019A patent/NO753019L/no unknown
- 1975-09-02 FR FR7526852A patent/FR2330798A1/fr not_active Withdrawn
- 1975-09-04 DE DE19752539402 patent/DE2539402A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU8358175A (en) | 1977-02-03 |
| SE7411170L (sv) | 1976-03-05 |
| FR2330798A1 (fr) | 1977-06-03 |
| DE2539402A1 (de) | 1976-03-18 |
| ZA754902B (en) | 1976-07-28 |
| NO753019L (US20030220297A1-20031127-C00033.png) | 1976-03-05 |
| BR7505456A (pt) | 1976-08-03 |
| SE390178B (sv) | 1976-12-06 |
| JPS5153004A (US20030220297A1-20031127-C00033.png) | 1976-05-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD | Application lapsed |
Owner name: SUNDS AKTIEBOLAG |