FR1019584A - Manufacture of crushed and bleached wood pulp - Google Patents

Manufacture of crushed and bleached wood pulp

Info

Publication number
FR1019584A
FR1019584A FR1019584DA FR1019584A FR 1019584 A FR1019584 A FR 1019584A FR 1019584D A FR1019584D A FR 1019584DA FR 1019584 A FR1019584 A FR 1019584A
Authority
FR
France
Prior art keywords
crushed
manufacture
wood pulp
bleached wood
bleached
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)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR1019584A publication Critical patent/FR1019584A/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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FR1019584D 1946-02-21 1947-07-09 Manufacture of crushed and bleached wood pulp Expired FR1019584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1019584XA 1946-02-21 1946-02-21

Publications (1)

Publication Number Publication Date
FR1019584A true FR1019584A (en) 1953-01-23

Family

ID=22287378

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1019584D Expired FR1019584A (en) 1946-02-21 1947-07-09 Manufacture of crushed and bleached wood pulp

Country Status (1)

Country Link
FR (1) FR1019584A (en)

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