FR808215A - Process for the production of calcium sulphide from gypsum - Google Patents

Process for the production of calcium sulphide from gypsum

Info

Publication number
FR808215A
FR808215A FR808215DA FR808215A FR 808215 A FR808215 A FR 808215A FR 808215D A FR808215D A FR 808215DA FR 808215 A FR808215 A FR 808215A
Authority
FR
France
Prior art keywords
gypsum
production
calcium sulphide
sulphide
calcium
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
Paul Martial Frederic C Girard
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 FR808215A publication Critical patent/FR808215A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/42—Sulfides or polysulfides of magnesium, calcium, strontium, or barium
    • C01B17/44—Sulfides or polysulfides of magnesium, calcium, strontium, or barium by reduction of sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
FR808215D 1935-10-17 1935-10-17 Process for the production of calcium sulphide from gypsum Expired FR808215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR808215T 1935-10-17

Publications (1)

Publication Number Publication Date
FR808215A true FR808215A (en) 1937-02-01

Family

ID=9252846

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808215D Expired FR808215A (en) 1935-10-17 1935-10-17 Process for the production of calcium sulphide from gypsum

Country Status (1)

Country Link
FR (1) FR808215A (en)

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