ZA744650B - Process for the defluorination of phosphoric acid-waste gypsum - Google Patents

Process for the defluorination of phosphoric acid-waste gypsum

Info

Publication number
ZA744650B
ZA744650B ZA00744650A ZA744650A ZA744650B ZA 744650 B ZA744650 B ZA 744650B ZA 00744650 A ZA00744650 A ZA 00744650A ZA 744650 A ZA744650 A ZA 744650A ZA 744650 B ZA744650 B ZA 744650B
Authority
ZA
South Africa
Prior art keywords
defluorination
phosphoric acid
waste gypsum
gypsum
waste
Prior art date
Application number
ZA00744650A
Inventor
H Marecek
H Stitch
W Binder
J Hutter
Original Assignee
Chemie Linz Ag
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
Priority claimed from DE19732337608 external-priority patent/DE2337608C3/en
Application filed by Chemie Linz Ag filed Critical Chemie Linz Ag
Publication of ZA744650B publication Critical patent/ZA744650B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/468—Purification of calcium sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Treating Waste Gases (AREA)
ZA00744650A 1973-07-24 1974-07-19 Process for the defluorination of phosphoric acid-waste gypsum ZA744650B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732337608 DE2337608C3 (en) 1973-07-24 Process for the defluorination of phosphoric acid waste gypsum

Publications (1)

Publication Number Publication Date
ZA744650B true ZA744650B (en) 1975-08-27

Family

ID=5887861

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00744650A ZA744650B (en) 1973-07-24 1974-07-19 Process for the defluorination of phosphoric acid-waste gypsum

Country Status (6)

Country Link
JP (1) JPS5050291A (en)
BE (1) BE818062A (en)
BR (1) BR7406106D0 (en)
GB (1) GB1432110A (en)
NL (1) NL7409988A (en)
ZA (1) ZA744650B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020100260A1 (en) * 2020-01-08 2021-07-08 Thyssenkrupp Ag Integrated process for the production of sulfuric acid process-suitable sulfur dioxide quality from calcium sulfate / phosphogypsum from phosphoric acid production

Also Published As

Publication number Publication date
GB1432110A (en) 1976-04-14
DE2337608B2 (en) 1975-11-20
JPS5050291A (en) 1975-05-06
DE2337608A1 (en) 1975-03-06
BE818062A (en) 1975-01-24
NL7409988A (en) 1975-01-28
BR7406106D0 (en) 1975-05-13

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