ZA802215B - Process for the delignification of unbleached chemical pulp - Google Patents

Process for the delignification of unbleached chemical pulp

Info

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
Application number
ZA00802215A
Inventor
Jacques Carles
Carles Jacques
H Lemoyne
Original Assignee
Europeen Cellulose
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Europeen Cellulose filed Critical Europeen Cellulose
Publication of ZA802215B publication Critical patent/ZA802215B/en

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)
ZA00802215A 1979-04-17 1980-04-14 Process for the delignification of unbleached chemical pulp ZA802215B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7909642A FR2454479A1 (en) 1979-04-17 1979-04-17 Delignification of chemical pulp - by peroxide oxidation in alkaline medium followed by mechanical pressing

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2454479B1 (en) 1982-09-03
JPS564793A (en) 1981-01-19
FR2454479A1 (en) 1980-11-14

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