FI85728C - Tryckklorering av massa och inmatning av klor i form av mycket smao bubblor. - Google Patents
Tryckklorering av massa och inmatning av klor i form av mycket smao bubblor. Download PDFInfo
- Publication number
- FI85728C FI85728C FI862082A FI862082A FI85728C FI 85728 C FI85728 C FI 85728C FI 862082 A FI862082 A FI 862082A FI 862082 A FI862082 A FI 862082A FI 85728 C FI85728 C FI 85728C
- Authority
- FI
- Finland
- Prior art keywords
- mixer
- chlorine gas
- slurry
- chlorine
- pulp
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74467885A | 1985-06-14 | 1985-06-14 | |
US74467885 | 1985-06-14 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI862082A0 FI862082A0 (fi) | 1986-05-19 |
FI862082A FI862082A (fi) | 1986-12-15 |
FI85728B FI85728B (fi) | 1992-02-14 |
FI85728C true FI85728C (fi) | 1992-05-25 |
Family
ID=24993592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI862082A FI85728C (fi) | 1985-06-14 | 1986-05-19 | Tryckklorering av massa och inmatning av klor i form av mycket smao bubblor. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0207062B1 (fr) |
JP (1) | JPS61289192A (fr) |
AT (1) | ATE48452T1 (fr) |
BR (1) | BR8602738A (fr) |
CA (1) | CA1276408C (fr) |
DE (1) | DE3667310D1 (fr) |
FI (1) | FI85728C (fr) |
NO (1) | NO168123C (fr) |
SE (1) | SE466459B (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US56833A (en) * | 1866-07-31 | Improvement in bleaching paper-stock | ||
US1971241A (en) * | 1933-04-01 | 1934-08-21 | Pennsylvania Salt Mfg Co | Method of chlorination |
DE1621684A1 (de) * | 1967-10-04 | 1971-07-08 | Bellmer Geb Kg Maschf | Maschinenkombination fuer die Leitungsstrecke in Zellstoffaufbereitungsanlagen |
SE387671B (sv) * | 1973-04-27 | 1976-09-13 | Mo Och Domsjoe Ab | Anordning for blekning av kompakt, icke fluffat vetskehaltigt lignocellulosamaterial med gasformiga blekmedel, foretredesvis syrgas |
-
1985
- 1985-10-25 CA CA000493830A patent/CA1276408C/fr not_active Expired - Fee Related
-
1986
- 1986-05-19 FI FI862082A patent/FI85728C/fi not_active IP Right Cessation
- 1986-05-28 NO NO862116A patent/NO168123C/no unknown
- 1986-06-04 JP JP61128270A patent/JPS61289192A/ja active Pending
- 1986-06-06 AT AT86890168T patent/ATE48452T1/de not_active IP Right Cessation
- 1986-06-06 EP EP86890168A patent/EP0207062B1/fr not_active Expired
- 1986-06-06 DE DE8686890168T patent/DE3667310D1/de not_active Expired - Fee Related
- 1986-06-10 SE SE8602592A patent/SE466459B/sv not_active IP Right Cessation
- 1986-06-11 BR BR8602738A patent/BR8602738A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS61289192A (ja) | 1986-12-19 |
FI862082A (fi) | 1986-12-15 |
FI85728B (fi) | 1992-02-14 |
EP0207062A1 (fr) | 1986-12-30 |
NO168123C (no) | 1992-01-15 |
SE8602592L (sv) | 1986-12-15 |
NO168123B (no) | 1991-10-07 |
DE3667310D1 (de) | 1990-01-11 |
SE8602592D0 (sv) | 1986-06-10 |
BR8602738A (pt) | 1987-02-10 |
FI862082A0 (fi) | 1986-05-19 |
EP0207062B1 (fr) | 1989-12-06 |
NO862116L (no) | 1986-12-15 |
CA1276408C (fr) | 1990-11-20 |
ATE48452T1 (de) | 1989-12-15 |
SE466459B (sv) | 1992-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: KAMYR INC. |