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 (un) | 1976-03-05 |
Family
ID=20322052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI752334A FI752334A (un) | 1974-09-04 | 1975-08-18 |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5153004A (un) |
AU (1) | AU8358175A (un) |
BR (1) | BR7505456A (un) |
DE (1) | DE2539402A1 (un) |
FI (1) | FI752334A (un) |
FR (1) | FR2330798A1 (un) |
NO (1) | NO753019L (un) |
SE (1) | SE390178B (un) |
ZA (1) | ZA754902B (un) |
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 |
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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 |
---|---|
SE390178B (sv) | 1976-12-06 |
JPS5153004A (un) | 1976-05-11 |
NO753019L (un) | 1976-03-05 |
SE7411170L (sv) | 1976-03-05 |
FR2330798A1 (fr) | 1977-06-03 |
DE2539402A1 (de) | 1976-03-18 |
AU8358175A (en) | 1977-02-03 |
BR7505456A (pt) | 1976-08-03 |
ZA754902B (en) | 1976-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: SUNDS AKTIEBOLAG |