FR571716A - Process and apparatus for the continuous chlorination of crude celluloses to remove non-cellulosic compounds therefrom - Google Patents

Process and apparatus for the continuous chlorination of crude celluloses to remove non-cellulosic compounds therefrom

Info

Publication number
FR571716A
FR571716A FR571716DA FR571716A FR 571716 A FR571716 A FR 571716A FR 571716D A FR571716D A FR 571716DA FR 571716 A FR571716 A FR 571716A
Authority
FR
France
Prior art keywords
celluloses
crude
remove non
compounds therefrom
cellulosic compounds
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
Antoine-Regnouf De Vains
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 filed Critical
Application granted granted Critical
Publication of FR571716A publication Critical patent/FR571716A/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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR571716D 1922-12-18 1922-12-18 Process and apparatus for the continuous chlorination of crude celluloses to remove non-cellulosic compounds therefrom Expired FR571716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR571716T 1922-12-18

Publications (1)

Publication Number Publication Date
FR571716A true FR571716A (en) 1924-05-22

Family

ID=8950756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR571716D Expired FR571716A (en) 1922-12-18 1922-12-18 Process and apparatus for the continuous chlorination of crude celluloses to remove non-cellulosic compounds therefrom

Country Status (2)

Country Link
FR (1) FR571716A (en)
GB (1) GB208551A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730426A (en) * 1951-06-20 1956-01-10 Cellulose Dev Corp Ltd Treating vegetable fibrous material with chlorine gas

Also Published As

Publication number Publication date
GB208551A (en) 1924-06-05

Similar Documents

Publication Publication Date Title
FR571716A (en) Process and apparatus for the continuous chlorination of crude celluloses to remove non-cellulosic compounds therefrom
FR788692A (en) Process for obtaining transformation products of substances containing carbon and their application to the treatment of water and salt solutions
FR25603E (en) Method and device for the continuous treatment of woody materials for their transformation into cellulose
FR578306A (en) Continuous process and apparatus for the dehydration of organic liquids
FR498402A (en) Process for obtaining pure tungstates
FR711397A (en) Process for the preparation of a substance or filter for the purification of tobacco smoke
FR47433E (en) Process for obtaining transformation products of substances containing carbon and their application to the treatment of water and salt solutions
FR1063691A (en) Process to increase the detersive effect of chlorinated hydrocarbons for soiled textiles
FR571704A (en) Process for the continuous chlorination of cellulosic materials with chlorine hydrate
FR622452A (en) Process for the continuous treatment of crude carbon disulphide
FR592046A (en) Continuous refining process of vegetable oils
FR31868E (en) Process for treating marine algae for the production of crude agar
FR598295A (en) Process and apparatus for the continuous refining of oils or similar mixtures of hydrocarbons
FR584904A (en) Process for the improvement of cellulosic products
FR584033A (en) Process and apparatus for the dehydration of alcohol by hydrocarbons
FR779687A (en) Process for the purification of tar acids and product obtained by this process
FR26206E (en) Continuous method and apparatus for the production of large quantities of absolute alcohol
FR553666A (en) Continuous method and apparatus for the production of large quantities of absolute alcohol
FR542892A (en) Process for dyeing acetylcellulose and acetylcellulose products
FR497232A (en) Method and apparatus for ozonization of substances
FR546749A (en) Process for the improvement of heating coke
FR560077A (en) Process for the treatment of zinc dust and other similar materials to obtain liquid zinc
FR534573A (en) Continuous distillation process of tars and oils
FR559731A (en) New process for the preparation of alphanaphthilammine
FR548633A (en) Process for the continuous production of low boiling point hydrocarbons from petroleum oils