FI48367C - Bleaching method for cellulose pulp. - Google Patents
Bleaching method for cellulose pulp.Info
- Publication number
- FI48367C FI48367C FI670438A FI43867A FI48367C FI 48367 C FI48367 C FI 48367C FI 670438 A FI670438 A FI 670438A FI 43867 A FI43867 A FI 43867A FI 48367 C FI48367 C FI 48367C
- Authority
- FI
- Finland
- Prior art keywords
- cellulose pulp
- bleaching method
- bleaching
- pulp
- cellulose
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
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 |
---|---|---|---|
SE2506/66A SE313985B (en) | 1966-02-25 | 1966-02-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI48367B FI48367B (en) | 1974-05-31 |
FI48367C true FI48367C (en) | 1974-09-10 |
Family
ID=20260076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI670438A FI48367C (en) | 1966-02-25 | 1967-02-15 | Bleaching method for cellulose pulp. |
Country Status (4)
Country | Link |
---|---|
US (1) | US3560330A (en) |
FI (1) | FI48367C (en) |
GB (1) | GB1170686A (en) |
SE (1) | SE313985B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA989112A (en) * | 1972-05-30 | 1976-05-18 | Pulp And Paper Research Institute Of Canada | Bleaching of textiles with chlorine monoxide |
US4255013A (en) * | 1979-05-17 | 1981-03-10 | John E. McNair | Rifle scope having compensation for elevation and drift |
SE458209B (en) * | 1987-06-04 | 1989-03-06 | Nils Bertil Carnoe | SET TO REDUCE DANGEROUS CHLORPHENOL COMPOUNDS BY CHLOROSAMASSA |
-
1966
- 1966-02-25 SE SE2506/66A patent/SE313985B/xx unknown
-
1967
- 1967-02-03 GB GB5361/67A patent/GB1170686A/en not_active Expired
- 1967-02-03 US US613733A patent/US3560330A/en not_active Expired - Lifetime
- 1967-02-15 FI FI670438A patent/FI48367C/en active
Also Published As
Publication number | Publication date |
---|---|
SE313985B (en) | 1969-08-25 |
US3560330A (en) | 1971-02-02 |
FI48367B (en) | 1974-05-31 |
GB1170686A (en) | 1969-11-12 |
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