Process for the regeneration of mineral acids used to solubilize

Details Process for the regeneration of mineral acids used to solubilize Process for the regeneration of mineral acids used to solubilize

1981-03-19

1983-09-06

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 10, 423 18, 423319, 423320, 423522, 423132, C01G 4300, C01B 2516, C01B 1772, B01D 1100

Patent

active

044029195

ABSTRACT:
A process for solubilizing uranium and other values in an ore containing the same together with aluminum and phosphorus and effecting regeneration of a mineral acid employed to solubilize the ore. The regeneration is effected by heating the spent acid solution resulting from solubilization of the ore in a reaction zone to a temperature above 100.degree. C. while maintaining at least the autogenic pressure of the heated solution within the reaction zone. The treatment causes aluminum phosphate to precipitate from the solution while simultaneously causing regeneration of at least a portion of the mineral acid in the solution that was consumed to originally solubilize the ore. The dissolved uranium and other elements of value can be recovered from the solution, either before or after acid regeneration, by any known technique. The regenerated mineral acid then can be used to solubilize fresh ore.

REFERENCES:
patent: 2905526 (1959-09-01), McCullough

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