Uranium recovery process

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Radioactive metal

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423 15, C01G 4300

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active

043561535

ABSTRACT:
Process for the recovery of the uranium present in a phosphoric acid solution by bringing the said solution into contact with an organic solvent suitable for extracting the uranium, wherein the organic solvent comprises a system of extractants constituted by an acid organophosphorus compound and by a neutral phosphine oxide of formula: ##STR1## in which the radicals R.sub.1, R.sub.2 and R.sub.3 are identical or different alkyl, aryl or alkoxyalkyl radicals, at least one of the radicals R.sub.1, R.sub.2 and R.sub.3 being an alkoxyalkyl radical.

REFERENCES:
patent: 2859094 (1958-11-01), Schmitt et al.
patent: 2902454 (1959-09-01), Moore
patent: 3230036 (1966-01-01), Kappelmann et al.
patent: 3711591 (1973-01-01), Hurst et al.
patent: 4012480 (1977-03-01), Delvalle
patent: 4243637 (1981-01-01), Bradford et al.

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