ZA74951B - Bleaching of lignocellulosic pulp - Google Patents

Bleaching of lignocellulosic pulp

Info

Publication number
ZA74951B
ZA74951B ZA00740951A ZA74951A ZA74951B ZA 74951 B ZA74951 B ZA 74951B ZA 00740951 A ZA00740951 A ZA 00740951A ZA 74951 A ZA74951 A ZA 74951A ZA 74951 B ZA74951 B ZA 74951B
Authority
ZA
South Africa
Prior art keywords
bleaching
lignocellulosic pulp
lignocellulosic
pulp
Prior art date
Application number
ZA00740951A
Other languages
English (en)
Inventor
D Andrews
Original Assignee
Canadian Ind
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 Canadian Ind filed Critical Canadian Ind
Publication of ZA74951B publication Critical patent/ZA74951B/xx

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1057Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ZA00740951A 1973-03-16 1974-02-13 Bleaching of lignocellulosic pulp ZA74951B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA166,552A CA992265A (en) 1973-03-16 1973-03-16 Bleaching of lignocellulosic pulp

Publications (1)

Publication Number Publication Date
ZA74951B true ZA74951B (en) 1975-01-29

Family

ID=4096142

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00740951A ZA74951B (en) 1973-03-16 1974-02-13 Bleaching of lignocellulosic pulp

Country Status (5)

Country Link
JP (1) JPS5117605B2 (fr)
AU (1) AU477047B2 (fr)
BR (1) BR7401996D0 (fr)
CA (1) CA992265A (fr)
ZA (1) ZA74951B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61289193A (ja) * 1985-06-14 1986-12-19 神崎製紙株式会社 パルプの漂白方法

Also Published As

Publication number Publication date
CA992265A (en) 1976-07-06
AU477047B2 (en) 1976-10-14
AU6523874A (en) 1975-08-07
JPS5117605B2 (fr) 1976-06-03
BR7401996D0 (pt) 1974-11-05
JPS49125607A (fr) 1974-12-02

Similar Documents

Publication Publication Date Title
CA902861A (en) Bleaching of cellulosic pulp
PH10177A (en) Delignification and bleaching of wood pulp with oxygen
AU6883374A (en) Bleaching compositions
ZA747841B (en) Traetment of cellulosic materials
CA941655A (en) Pulp refiners
CA1019906A (fr) Procede de blanchiment de la pate a papier
CA933307A (en) Lignin-preserving bleaching of cellulose pulp
CA943707A (en) Delignification of chemical cellulosic pulp
CA949263A (en) Method of bleaching wood pulp
CA980513A (en) Bleaching of waste paper pulp
ZA747918B (en) Method for bleaching of material containing cellulose
AU514721B2 (en) Regeneration of pulping liquor
CA864409A (en) Pulp bleaching process
CA968507A (en) Bleaching of mechanical pulps
ZA74951B (en) Bleaching of lignocellulosic pulp
ZA757622B (en) Bleaching process for wood pulp with the use of considerably reduced amounts of chlorine
CA1004805A (en) Non-neutral bleaching of pulp
ZA696595B (en) Bleaching of wood pulp
CA975111A (en) Bleaching cellulosic pulp
ZA754902B (en) Pulp bleaching process
NO741270L (no) Fremgangsmåte for fremstilling av bleket sulfitmasse.
AU7370874A (en) Cellulose pulp
CA899005A (en) Bleaching of cellulosic pulp
CA897360A (en) Bleaching of wood pulp
CA973311A (en) Method of bleaching cellulose pulp