Process of obtaining uranium and uranium compounds from phosphor

Details Process of obtaining uranium and uranium compounds from phosphor Process of obtaining uranium and uranium compounds from phosphor

1980-12-19

1983-05-24

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 10, C01G 4300

Patent

active

043850367

ABSTRACT:
The invention concerns a method for the liquid/liquid extraction of uranium from phosphoric acid with the aid of alkylamine polyphosphate and/or alkylamine metaphosphate compounds, dissolved in organic solvents insoluble in water. The uraniferous phosphoric acid is brought into contact with an organic phase compound of a long-chain alkylamine polyphosphate and/or alkylamine metaphosphate compound and an organic solvent, the alkylamine in the alkyl residue containing 8 to 30, preferably 8 to 18 C-atoms corresponding to the formula ##STR1## wherein R.sub.1 and R.sub.2 denote hydrogen or alkyl radicals and R.sub.3 denotes an alkyl radical, the polyphosphate and/or metaphosphate residue having 2 to 10,000 P-atoms per molecule and being of the straight-chain and/or linked-chain or cyclic chain type. The uranium is transferred from the aqueous into the organic phase from which the uranium is re-extracted in the known way.

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Chem. Abstr., vol. 85 (1976), 131296d.
Crouse et al., "The Amex Process," Ind. & Eng. Chem. 51, No. 12, pp. 1461-1464 (1964).

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