FR1219948A - Improvements to the wood pulp bleaching process - Google Patents

Improvements to the wood pulp bleaching process

Info

Publication number
FR1219948A
FR1219948A FR792118A FR792118A FR1219948A FR 1219948 A FR1219948 A FR 1219948A FR 792118 A FR792118 A FR 792118A FR 792118 A FR792118 A FR 792118A FR 1219948 A FR1219948 A FR 1219948A
Authority
FR
France
Prior art keywords
wood pulp
bleaching process
pulp bleaching
wood
pulp
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
FR792118A
Other languages
French (fr)
Inventor
Luigi Merlo
Tommaso Cubeddu
Giulio Calmanti
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA filed Critical Montedison SpA
Application granted granted Critical
Publication of FR1219948A publication Critical patent/FR1219948A/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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FR792118A 1958-04-18 1959-04-15 Improvements to the wood pulp bleaching process Expired FR1219948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1219948X 1958-04-18

Publications (1)

Publication Number Publication Date
FR1219948A true FR1219948A (en) 1960-05-20

Family

ID=10883558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR792118A Expired FR1219948A (en) 1958-04-18 1959-04-15 Improvements to the wood pulp bleaching process

Country Status (1)

Country Link
FR (1) FR1219948A (en)

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