FI793720A - Foerfarande foer faergfoerbaettring och luktborttagning av sulfatmassa - Google Patents
Foerfarande foer faergfoerbaettring och luktborttagning av sulfatmassaInfo
- Publication number
- FI793720A FI793720A FI793720A FI793720A FI793720A FI 793720 A FI793720 A FI 793720A FI 793720 A FI793720 A FI 793720A FI 793720 A FI793720 A FI 793720A FI 793720 A FI793720 A FI 793720A
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- sulfatmassa
- luktborttagning
- faergfoerbaettring
- och
- Prior art date
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)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Artificial Filaments (AREA)
- Saccharide Compounds (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2905936 | 1979-02-16 | ||
DE2905936A DE2905936B1 (de) | 1979-02-16 | 1979-02-16 | Verfahren zum Aufhellen und Desodorieren von Sulfatzellstoff |
Publications (3)
Publication Number | Publication Date |
---|---|
FI793720A true FI793720A (fi) | 1980-08-17 |
FI68684B FI68684B (fi) | 1985-06-28 |
FI68684C FI68684C (fi) | 1985-10-10 |
Family
ID=6063083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI793720A FI68684C (fi) | 1979-02-16 | 1979-11-27 | Foerfarande foer faergfoerbaettring och luktborttagning av sulfatmassa |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0014753B1 (fi) |
AT (1) | ATE2019T1 (fi) |
CA (1) | CA1129157A (fi) |
DE (2) | DE2905936B1 (fi) |
FI (1) | FI68684C (fi) |
NO (1) | NO793959L (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0073872A1 (en) * | 1981-09-03 | 1983-03-16 | Billerud Uddeholm AB | Chemical process in the manufacture of paper |
SE442414B (sv) * | 1981-09-22 | 1985-12-23 | Holmens Bruk Ab | Sett att minska eller inhibera morkfergningen av massa eller papper i bakvattensystem |
US4559103A (en) * | 1982-08-05 | 1985-12-17 | Honshu Seishi Kabushiki Kaisha | Packaging paper and packaging material for packaging metallic material and method of producing the same |
RU2504375C1 (ru) * | 2012-05-23 | 2014-01-20 | Галина Викторовна Сукоян | Фармацевтический состав для лечения заболеваний, связанных с эндотелиальной дисфункцией |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1454339A (en) * | 1921-11-28 | 1923-05-08 | Brown Co | Method of treating cellulose pulp to remove odors therefrom |
US1632802A (en) * | 1926-08-10 | 1927-06-21 | Brown Co | Process of and apparatus for treating fiber |
US1774403A (en) * | 1926-09-16 | 1930-08-26 | Brown Co | Process of producing fiber of high alpha cellulose content |
US2030384A (en) * | 1934-10-18 | 1936-02-11 | Nekoosa Edwards Paper Co | Method of bleaching pulp |
BE450336A (fi) * | 1942-12-09 | 1943-05-31 | ||
FR2192981B1 (fi) * | 1972-07-21 | 1988-11-10 | Air Liquide Fr | |
IT1071347B (it) * | 1976-03-12 | 1985-04-02 | Interox Sa | Processo per la disinfezione di carta vecchia |
-
1979
- 1979-02-16 DE DE2905936A patent/DE2905936B1/de not_active Withdrawn
- 1979-11-27 FI FI793720A patent/FI68684C/fi not_active IP Right Cessation
- 1979-12-04 EP EP79104899A patent/EP0014753B1/de not_active Expired
- 1979-12-04 AT AT79104899T patent/ATE2019T1/de not_active IP Right Cessation
- 1979-12-04 DE DE7979104899T patent/DE2964319D1/de not_active Expired
- 1979-12-05 NO NO793959A patent/NO793959L/no unknown
-
1980
- 1980-02-13 CA CA345,493A patent/CA1129157A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2964319D1 (en) | 1983-01-20 |
ATE2019T1 (de) | 1982-12-15 |
EP0014753B1 (de) | 1982-12-15 |
NO793959L (no) | 1980-08-19 |
CA1129157A (en) | 1982-08-10 |
DE2905936B1 (de) | 1980-04-30 |
FI68684C (fi) | 1985-10-10 |
FI68684B (fi) | 1985-06-28 |
EP0014753A1 (de) | 1980-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: DEGUSSA AKTIENGESELLSCHAFT |