FR872300A - Cellulose bleaching process - Google Patents

Cellulose bleaching process

Info

Publication number
FR872300A
FR872300A FR872300DA FR872300A FR 872300 A FR872300 A FR 872300A FR 872300D A FR872300D A FR 872300DA FR 872300 A FR872300 A FR 872300A
Authority
FR
France
Prior art keywords
bleaching process
cellulose bleaching
cellulose
bleaching
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.)
Aschaffenburger Zellstoffwerke AG
Original Assignee
Aschaffenburger Zellstoffwerke AG
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 Aschaffenburger Zellstoffwerke AG filed Critical Aschaffenburger Zellstoffwerke AG
Application granted granted Critical
Publication of FR872300A publication Critical patent/FR872300A/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR872300D 1937-07-23 1941-05-20 Cellulose bleaching process Expired FR872300A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE841027X 1937-07-23
DEA772D DE948299C (en) 1937-07-23 1938-10-28 Process and apparatus for bleaching pulp

Publications (1)

Publication Number Publication Date
FR872300A true FR872300A (en) 1942-06-05

Family

ID=25760429

Family Applications (2)

Application Number Title Priority Date Filing Date
FR841027D Expired FR841027A (en) 1937-07-23 1938-07-22 Process for bleaching cellulose using chlorine, especially chlorine gas
FR872300D Expired FR872300A (en) 1937-07-23 1941-05-20 Cellulose bleaching process

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR841027D Expired FR841027A (en) 1937-07-23 1938-07-22 Process for bleaching cellulose using chlorine, especially chlorine gas

Country Status (4)

Country Link
US (1) US2193301A (en)
CH (2) CH208757A (en)
DE (1) DE948299C (en)
FR (2) FR841027A (en)

Also Published As

Publication number Publication date
FR841027A (en) 1939-05-09
DE948299C (en) 1956-08-30
CH208757A (en) 1940-02-29
US2193301A (en) 1940-03-12
CH215082A (en) 1941-05-31

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