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METHOD OF PRODUCING STRONTIUM CARBONATE AND STRONTIUM SULFATE FROM BRINES CONTAINING CALCIUM AND STRONTIUM HALIDES

Patent ·
OSTI ID:4797808
A simple method is given for producing high-purity SrSO/sub 4/ or SrCO/ sub 3/ from brines containing calcium salts. The method comprises treating the brine wtth a soluble sulfate, heating to 105 deg C for l5 min, settling out the solids, leaching the solids with dilute HCl, and washing and drying the purified SrSO/sub 4/. For production of SrCO/sub 3/, the washed acid-leached sulfate is mixed with a solution of a soluble carbonate. (D.L.C.)
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-16-014764
Assignee:
Dow Chemical Co.
Patent Number(s):
US 3029133
OSTI ID:
4797808
Country of Publication:
United States
Language:
English

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Related Subjects

CALCIUM COMPOUNDS
CARBONATES
CHEMISTRY
EVAPORATION
HALIDES
HEATING
HYDROCHLORIC ACID
IMPURITIES
LEACHING
MIXING
PRODUCTION
SOLIDS
SOLUBILITY
SOLUTIONS
STRONTIUM CARBONATES
STRONTIUM COMPOUNDS
STRONTIUM SULFATES
SULFATES
TEMPERATURE