FR917992A - New developments in the treatment of crushed wood pulp - Google Patents

New developments in the treatment of crushed wood pulp

Info

Publication number
FR917992A
FR917992A FR917992DA FR917992A FR 917992 A FR917992 A FR 917992A FR 917992D A FR917992D A FR 917992DA FR 917992 A FR917992 A FR 917992A
Authority
FR
France
Prior art keywords
treatment
wood pulp
new developments
crushed wood
crushed
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.)
Buffalo Electro-Chemical Co Inc
Original Assignee
Buffalo Electro-Chemical Co Inc
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 Buffalo Electro-Chemical Co Inc filed Critical Buffalo Electro-Chemical Co Inc
Application granted granted Critical
Publication of FR917992A publication Critical patent/FR917992A/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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR917992D 1945-01-10 1945-11-26 New developments in the treatment of crushed wood pulp Expired FR917992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US251133XA 1945-01-10 1945-01-10

Publications (1)

Publication Number Publication Date
FR917992A true FR917992A (en) 1947-01-27

Family

ID=21824117

Family Applications (1)

Application Number Title Priority Date Filing Date
FR917992D Expired FR917992A (en) 1945-01-10 1945-11-26 New developments in the treatment of crushed wood pulp

Country Status (3)

Country Link
CH (1) CH251133A (en)
FR (1) FR917992A (en)
GB (1) GB604050A (en)

Also Published As

Publication number Publication date
GB604050A (en) 1948-06-28
CH251133A (en) 1947-10-15

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