FR93286E - Delignification and bleaching of chemical and semi-chemical cellulose pastes. - Google Patents

Delignification and bleaching of chemical and semi-chemical cellulose pastes.

Info

Publication number
FR93286E
FR93286E FR125964A FR125964A FR93286E FR 93286 E FR93286 E FR 93286E FR 125964 A FR125964 A FR 125964A FR 125964 A FR125964 A FR 125964A FR 93286 E FR93286 E FR 93286E
Authority
FR
France
Prior art keywords
chemical
delignification
bleaching
semi
cellulose pastes
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
FR125964A
Other languages
French (fr)
Inventor
Andre Robert
Philippe Traynard
Odette Martin-Borret
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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
Priority claimed from FR947956A external-priority patent/FR1387853A/en
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to FR125964A priority Critical patent/FR93286E/en
Application granted granted Critical
Publication of FR93286E publication Critical patent/FR93286E/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FR125964A 1963-09-19 1967-10-26 Delignification and bleaching of chemical and semi-chemical cellulose pastes. Expired FR93286E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR125964A FR93286E (en) 1963-09-19 1967-10-26 Delignification and bleaching of chemical and semi-chemical cellulose pastes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR947956A FR1387853A (en) 1963-09-19 1963-09-19 Delignification and bleaching of chemical and semi-chemical cellulose pulps
FR125964A FR93286E (en) 1963-09-19 1967-10-26 Delignification and bleaching of chemical and semi-chemical cellulose pastes.

Publications (1)

Publication Number Publication Date
FR93286E true FR93286E (en) 1969-03-07

Family

ID=32963858

Family Applications (1)

Application Number Title Priority Date Filing Date
FR125964A Expired FR93286E (en) 1963-09-19 1967-10-26 Delignification and bleaching of chemical and semi-chemical cellulose pastes.

Country Status (1)

Country Link
FR (1) FR93286E (en)

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