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CH315608A - Process for bleaching cellulose pulp with sulphite or sulphate - Google Patents

Process for bleaching cellulose pulp with sulphite or sulphate

Info

Publication number
CH315608A
CH315608A CH315608DA CH315608A CH 315608 A CH315608 A CH 315608A CH 315608D A CH315608D A CH 315608DA CH 315608 A CH315608 A CH 315608A
Authority
CH
Switzerland
Prior art keywords
sulphite
sulphate
cellulose pulp
bleaching cellulose
bleaching
Prior art date
Application number
Other languages
French (fr)
Inventor
A Stone William
G Matarese John
Original Assignee
Electro Chimie Metal
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 Electro Chimie Metal filed Critical Electro Chimie Metal
Publication of CH315608A publication Critical patent/CH315608A/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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CH315608D 1952-03-26 1953-03-26 Process for bleaching cellulose pulp with sulphite or sulphate CH315608A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US315608XA 1952-03-26 1952-03-26

Publications (1)

Publication Number Publication Date
CH315608A true CH315608A (en) 1956-08-31

Family

ID=21860133

Family Applications (1)

Application Number Title Priority Date Filing Date
CH315608D CH315608A (en) 1952-03-26 1953-03-26 Process for bleaching cellulose pulp with sulphite or sulphate

Country Status (2)

Country Link
CH (1) CH315608A (en)
GB (1) GB751854A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL134770C (en) * 1963-07-12

Also Published As

Publication number Publication date
GB751854A (en) 1956-07-04

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