CA973311A - Method of bleaching cellulose pulp - Google Patents

Method of bleaching cellulose pulp

Info

Publication number
CA973311A
CA973311A CA132,429A CA132429A CA973311A CA 973311 A CA973311 A CA 973311A CA 132429 A CA132429 A CA 132429A CA 973311 A CA973311 A CA 973311A
Authority
CA
Canada
Prior art keywords
cellulose pulp
bleaching cellulose
bleaching
pulp
cellulose
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA132,429A
Other versions
CA132429S (en
Inventor
Goran E. Annergren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Svenska Cellulosa AB
Original Assignee
Svenska Cellulosa AB
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 Svenska Cellulosa AB filed Critical Svenska Cellulosa AB
Application granted granted Critical
Publication of CA973311A publication Critical patent/CA973311A/en
Expired legal-status Critical Current

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
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
CA132,429A 1971-01-15 1972-01-14 Method of bleaching cellulose pulp Expired CA973311A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE00497/71A SE369086B (en) 1971-01-15 1971-01-15

Publications (1)

Publication Number Publication Date
CA973311A true CA973311A (en) 1975-08-26

Family

ID=20256660

Family Applications (1)

Application Number Title Priority Date Filing Date
CA132,429A Expired CA973311A (en) 1971-01-15 1972-01-14 Method of bleaching cellulose pulp

Country Status (2)

Country Link
CA (1) CA973311A (en)
SE (1) SE369086B (en)

Also Published As

Publication number Publication date
SE369086B (en) 1974-08-05

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