Acid wash of second cycle solvent in the recovery of uranium fro

Details Acid wash of second cycle solvent in the recovery of uranium fro Acid wash of second cycle solvent in the recovery of uranium fro

1981-08-12

1984-02-07

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 15, C01G 4300

Patent

active

044303092

ABSTRACT:
Entrainment of contaminated water in the organic phase and poor phase disengagement is prevented in the second cycle scrubber, in a two cycle uranium recovery process, by washing the organic solvent stream containing entrained H.sub.3 PO.sub.4 from the second cycle extractor, with a dilute aqueous sulfuric or nitric acid solution in an acid scrubber, prior to passing the solvent stream into the second cycle stripper.

REFERENCES:
patent: 3288568 (1966-11-01), Tomijima et al.
patent: 3711591 (1973-01-01), Hurst et al.
patent: 3966873 (1976-06-01), Elikan et al.
patent: 4002716 (1977-01-01), Sundar
patent: 4105741 (1978-08-01), Wiewiorowski et al.
patent: 4207294 (1980-06-01), Hirono
patent: 4258013 (1981-03-01), Pyrih et al.
Hurst et al., "Solvent Extraction of Uranium from Wet Process Phosphoric Acid", ORNL-TM-2522, pp. 15-16 (1969).

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