FR986615A - Improvements in the treatment of plant materials to obtain cellulose - Google Patents

Improvements in the treatment of plant materials to obtain cellulose

Info

Publication number
FR986615A
FR986615A FR986615DA FR986615A FR 986615 A FR986615 A FR 986615A FR 986615D A FR986615D A FR 986615DA FR 986615 A FR986615 A FR 986615A
Authority
FR
France
Prior art keywords
treatment
plant materials
obtain cellulose
cellulose
plant
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.)
Cellulose du Pin SA
Original Assignee
Cellulose du Pin SA
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 Cellulose du Pin SA filed Critical Cellulose du Pin SA
Application granted granted Critical
Publication of FR986615A publication Critical patent/FR986615A/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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FR986615D 1943-11-24 1943-11-24 Improvements in the treatment of plant materials to obtain cellulose Expired FR986615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986615T 1943-11-24

Publications (1)

Publication Number Publication Date
FR986615A true FR986615A (en) 1951-08-02

Family

ID=9538217

Family Applications (2)

Application Number Title Priority Date Filing Date
FR56443D Expired FR56443E (en) 1943-11-24
FR986615D Expired FR986615A (en) 1943-11-24 1943-11-24 Improvements in the treatment of plant materials to obtain cellulose

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR56443D Expired FR56443E (en) 1943-11-24

Country Status (2)

Country Link
FR (2) FR986615A (en)
NL (1) NL116882C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171722B (en) * 1957-10-05 1964-06-04 Hodogaya Chemical Co Ltd Process for the production of cellulose rich in alpha-cellulose with simultaneous extraction of furfural from hardwood

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171722B (en) * 1957-10-05 1964-06-04 Hodogaya Chemical Co Ltd Process for the production of cellulose rich in alpha-cellulose with simultaneous extraction of furfural from hardwood

Also Published As

Publication number Publication date
NL116882C (en)
FR56443E (en) 1952-10-07

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