FI46757B - - Google Patents
Info
- Publication number
- FI46757B FI46757B FI00931/66A FI93166A FI46757B FI 46757 B FI46757 B FI 46757B FI 00931/66 A FI00931/66 A FI 00931/66A FI 93166 A FI93166 A FI 93166A FI 46757 B FI46757 B FI 46757B
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE4782/65A SE307727B (en, 2012) | 1965-04-12 | 1965-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI46757B true FI46757B (en, 2012) | 1973-02-28 |
| FI46757C FI46757C (fi) | 1973-06-11 |
Family
ID=20264965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI660931A FI46757C (fi) | 1965-04-12 | 1966-04-12 | Tapa valkaista selluloosapitoista ainetta. |
Country Status (2)
| Country | Link |
|---|---|
| FI (1) | FI46757C (en, 2012) |
| SE (1) | SE307727B (en, 2012) |
-
1965
- 1965-04-12 SE SE4782/65A patent/SE307727B/xx unknown
-
1966
- 1966-04-12 FI FI660931A patent/FI46757C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| FI46757C (fi) | 1973-06-11 |
| SE307727B (en, 2012) | 1969-01-13 |