Recovery of organic extractant from secondary emulsions formed i

Details Recovery of organic extractant from secondary emulsions formed i Recovery of organic extractant from secondary emulsions formed i

1980-05-14

1984-01-03

Kyle, Deborah L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423321R, 423321S, C01B 25234

Patent

active

044241950

ABSTRACT:
Uranium in wet-process phosphoric acid is extracted with an organic extractant. The pregnant extractant is then centrifuged to separate contaminants from the extractant. Secondary emulsions obtained by separating the contaminants following centrifugation are mixed with water or an acid leaching solution. After mixing, the mixture is centrifuged to separate and recover extractant which is recycled for stripping.

REFERENCES:
patent: 3835214 (1974-09-01), Hurst et al.
patent: 4087512 (1978-05-01), Reese et al.
patent: 4190633 (1980-02-01), Smith et al.
Chemical Engineers' Handbook 5th Ed., McGraw-Hill Book Company, N.Y. (1973) pp. 21-11 to 21-12.
Landis, D. M., "Centrifugal Coalescers" Chem. Eng. Progr. 61 (10) pp. 58-63 (1965).

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