Removal of radium from aqueous sulphate solutions

Details Removal of radium from aqueous sulphate solutions Removal of radium from aqueous sulphate solutions

C - Chemistry, Metallurgy

02

F

53/179, 362/54

C02F 1/62 (2006.01) C02F 9/00 (2006.01) G21F 9/10 (2006.01)

Patent

CA 1145487

ABSTRACT OF THE DISCLOSURE A process for removing radium from a radium-contain- ing aqueous sulphate solution also containing dissolved magnesium at a pH not greater than about 10 comprises treating the solution with a soluble barium salt to precipitate radium as barium radium sulphate. The pH of the solution is raised to at least about 11 to precipitate an insoluble magnesium compound which collects the barium radium sulphate precipitate, and substantially all of the precipitates are separated from the solution.

358965

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