Reducing the radium radioactivity of aqueous effluents

Details Reducing the radium radioactivity of aqueous effluents Reducing the radium radioactivity of aqueous effluents

1988-04-26

1991-04-09

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210634, B01D 1100

Patent

active

050062549

ABSTRACT:
Prohibited radioactivity is removed from contaminated aqueous effluents containing both nitrate and radium values, by liquid/liquid extracting such effluents with an organic phase comprising at least one halogenated, preferably fluorinated .beta.-diketone.

REFERENCES:
patent: 3451807 (1969-06-01), Scribner et al.
patent: 4440646 (1984-04-01), Budnick
"Extraction of Alkaline Earth Metal and Magnesium Nitrates by Tri-n-butyl Phosphate" by Mikhailichenko et al. in the Russian Journal of Inorganic Chemistry, 16 (9), pp. 1363-1367 (1971).

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