FR619861A - Process for the recovery of by-products contained in bisulphite liquors from the chemical treatment of wood in the pulp and cellulose industries - Google Patents

Process for the recovery of by-products contained in bisulphite liquors from the chemical treatment of wood in the pulp and cellulose industries

Info

Publication number
FR619861A
FR619861A FR619861DA FR619861A FR 619861 A FR619861 A FR 619861A FR 619861D A FR619861D A FR 619861DA FR 619861 A FR619861 A FR 619861A
Authority
FR
France
Prior art keywords
pulp
wood
recovery
chemical treatment
products contained
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
Louis Petit-Devaucelle
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 FR619861A publication Critical patent/FR619861A/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09F—NATURAL RESINS; FRENCH POLISH; DRYING-OILS; OIL DRYING AGENTS, i.e. SICCATIVES; TURPENTINE
    • C09F1/00—Obtaining purification, or chemical modification of natural resins, e.g. oleo-resins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR619861D 1925-12-14 1925-12-14 Process for the recovery of by-products contained in bisulphite liquors from the chemical treatment of wood in the pulp and cellulose industries Expired FR619861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR619861T 1925-12-14

Publications (1)

Publication Number Publication Date
FR619861A true FR619861A (en) 1927-04-11

Family

ID=8983977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR619861D Expired FR619861A (en) 1925-12-14 1925-12-14 Process for the recovery of by-products contained in bisulphite liquors from the chemical treatment of wood in the pulp and cellulose industries

Country Status (1)

Country Link
FR (1) FR619861A (en)

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