FR842136A - Process for the disintegration of vegetable fibrous materials for the preparation of cellulose - Google Patents

Process for the disintegration of vegetable fibrous materials for the preparation of cellulose

Info

Publication number
FR842136A
FR842136A FR842136DA FR842136A FR 842136 A FR842136 A FR 842136A FR 842136D A FR842136D A FR 842136DA FR 842136 A FR842136 A FR 842136A
Authority
FR
France
Prior art keywords
disintegration
cellulose
preparation
fibrous materials
vegetable fibrous
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
Hanus Goldstein
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 FR842136A publication Critical patent/FR842136A/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/16—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides nitrogen oxides; nitric acid nitrates, nitrites
    • 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
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
FR842136D 1937-12-29 1938-04-05 Process for the disintegration of vegetable fibrous materials for the preparation of cellulose Expired FR842136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT842136X 1937-12-29

Publications (1)

Publication Number Publication Date
FR842136A true FR842136A (en) 1939-06-06

Family

ID=3682052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842136D Expired FR842136A (en) 1937-12-29 1938-04-05 Process for the disintegration of vegetable fibrous materials for the preparation of cellulose

Country Status (1)

Country Link
FR (1) FR842136A (en)

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