FR1202813A - Process for the bleaching of substances containing cellulose - Google Patents

Process for the bleaching of substances containing cellulose

Info

Publication number
FR1202813A
FR1202813A FR1202813DA FR1202813A FR 1202813 A FR1202813 A FR 1202813A FR 1202813D A FR1202813D A FR 1202813DA FR 1202813 A FR1202813 A FR 1202813A
Authority
FR
France
Prior art keywords
bleaching
containing cellulose
substances containing
substances
cellulose
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Application granted granted Critical
Publication of FR1202813A publication Critical patent/FR1202813A/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)
FR1202813D 1955-05-07 1956-05-07 Process for the bleaching of substances containing cellulose Expired FR1202813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE344896X 1955-05-07

Publications (1)

Publication Number Publication Date
FR1202813A true FR1202813A (en) 1960-01-13

Family

ID=6254259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1202813D Expired FR1202813A (en) 1955-05-07 1956-05-07 Process for the bleaching of substances containing cellulose

Country Status (3)

Country Link
CH (1) CH344896A (en)
FR (1) FR1202813A (en)
NL (1) NL206825A (en)

Also Published As

Publication number Publication date
NL206825A (en)
CH344896A (en) 1960-02-29

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