CA965220A - Process for decomposing calcium sulfate - Google Patents

Process for decomposing calcium sulfate

Info

Publication number
CA965220A
CA965220A CA117,539A CA117539A CA965220A CA 965220 A CA965220 A CA 965220A CA 117539 A CA117539 A CA 117539A CA 965220 A CA965220 A CA 965220A
Authority
CA
Canada
Prior art keywords
calcium sulfate
decomposing calcium
decomposing
sulfate
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
CA117,539A
Other versions
CA117539S (en
Inventor
William R. Brade
George F. Rotter
Austin M. Hanson
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.)
Grain Processing Corp
Original Assignee
Grain Processing Corp
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 Grain Processing Corp filed Critical Grain Processing Corp
Application granted granted Critical
Publication of CA965220A publication Critical patent/CA965220A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/48Sulfur dioxide; Sulfurous acid
    • C01B17/50Preparation of sulfur dioxide
    • C01B17/501Preparation of sulfur dioxide by reduction of sulfur compounds
    • C01B17/506Preparation of sulfur dioxide by reduction of sulfur compounds of calcium sulfates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/02Oxides or hydroxides
    • C01F11/08Oxides or hydroxides by reduction of sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Treating Waste Gases (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
CA117,539A 1970-07-29 1971-07-06 Process for decomposing calcium sulfate Expired CA965220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5907270A 1970-07-29 1970-07-29

Publications (1)

Publication Number Publication Date
CA965220A true CA965220A (en) 1975-04-01

Family

ID=22020674

Family Applications (1)

Application Number Title Priority Date Filing Date
CA117,539A Expired CA965220A (en) 1970-07-29 1971-07-06 Process for decomposing calcium sulfate

Country Status (5)

Country Link
CA (1) CA965220A (en)
DE (1) DE2136864A1 (en)
FR (1) FR2112189B1 (en)
GB (1) GB1346659A (en)
ZA (1) ZA713975B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735733A1 (en) * 1977-08-08 1979-02-15 Exxon Research Engineering Co Elemental sulphur prodn. from solid sulphur cpd. - in fluidised bed having cpd. in lower layer and char in upper layer

Also Published As

Publication number Publication date
FR2112189A1 (en) 1972-06-16
GB1346659A (en) 1974-02-13
FR2112189B1 (en) 1974-03-29
DE2136864A1 (en) 1972-02-03
ZA713975B (en) 1972-01-26

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