ZA802215B - Process for the delignification of unbleached chemical pulp - Google Patents
Process for the delignification of unbleached chemical pulpInfo
- Publication number
- ZA802215B ZA802215B ZA00802215A ZA802215A ZA802215B ZA 802215 B ZA802215 B ZA 802215B ZA 00802215 A ZA00802215 A ZA 00802215A ZA 802215 A ZA802215 A ZA 802215A ZA 802215 B ZA802215 B ZA 802215B
- Authority
- ZA
- South Africa
- Prior art keywords
- delignification
- chemical pulp
- unbleached chemical
- unbleached
- 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
- D21C9/16—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7909642A FR2454479A1 (en) | 1979-04-17 | 1979-04-17 | PROCESS FOR THE DELIGNIFICATION OF CHEMICAL PAPER PULP |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA802215B true ZA802215B (en) | 1981-04-29 |
Family
ID=9224385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00802215A ZA802215B (en) | 1979-04-17 | 1980-04-14 | Process for the delignification of unbleached chemical pulp |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS564793A (en) |
FR (1) | FR2454479A1 (en) |
ZA (1) | ZA802215B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6456775U (en) * | 1987-10-02 | 1989-04-10 | ||
AT395180B (en) * | 1989-08-16 | 1992-10-12 | Andritz Ag Maschf | METHOD FOR CRUSHING MATERIALS AND SYSTEM FOR IMPLEMENTING IT |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1203592B (en) * | 1962-02-23 | 1965-10-21 | Rudolf Bott Dipl Ing | Process for the bleaching of cellulosic fibers |
SE413684C (en) * | 1974-09-23 | 1987-05-18 | Mo Och Domsjoe Ab | PROCEDURE FOR PREPARING CELLULOSAMASSA IN THE REPLACEMENT AREA 65-95% |
SE415581B (en) * | 1977-04-18 | 1980-10-13 | Mo Och Domsjoe Ab | PROCEDURE FOR PEROCID WHITING OF HOG REPLACEMENT MASS |
-
1979
- 1979-04-17 FR FR7909642A patent/FR2454479A1/en active Granted
-
1980
- 1980-04-14 ZA ZA00802215A patent/ZA802215B/en unknown
- 1980-04-15 JP JP5023880A patent/JPS564793A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS564793A (en) | 1981-01-19 |
FR2454479B1 (en) | 1982-09-03 |
FR2454479A1 (en) | 1980-11-14 |
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