FR986688A - Process for finishing unbleached celluloses with a low pentosane content - Google Patents

Process for finishing unbleached celluloses with a low pentosane content

Info

Publication number
FR986688A
FR986688A FR986688DA FR986688A FR 986688 A FR986688 A FR 986688A FR 986688D A FR986688D A FR 986688DA FR 986688 A FR986688 A FR 986688A
Authority
FR
France
Prior art keywords
pentosane
unbleached
celluloses
finishing
content
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
Other languages
French (fr)
Inventor
Pierre Porphire
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.)
FR de la CELLULOSE SOC
Original Assignee
FR de la CELLULOSE SOC
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 FR de la CELLULOSE SOC filed Critical FR de la CELLULOSE SOC
Application granted granted Critical
Publication of FR986688A publication Critical patent/FR986688A/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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FR986688D 1943-12-07 1943-12-07 Process for finishing unbleached celluloses with a low pentosane content Expired FR986688A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986688T 1943-12-07

Publications (1)

Publication Number Publication Date
FR986688A true FR986688A (en) 1951-08-03

Family

ID=9538288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR986688D Expired FR986688A (en) 1943-12-07 1943-12-07 Process for finishing unbleached celluloses with a low pentosane content

Country Status (1)

Country Link
FR (1) FR986688A (en)

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