Method of recovering uranium

Details Method of recovering uranium Method of recovering uranium

1973-07-27

1976-06-22

Padgett, Benjamin R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 18, 423 21, 423 24, 423 34, 423 42, 423 55, 423 63, 423 65, 423 70, 423 85, 423112, 423122, 423157, 423158, B01D 1104

Patent

active

039652386

ABSTRACT:
Uranium values are obtained from phosphate rock by acidifying phosphate rock containing uranium values and at least one other heavy metal with a mineral acid so as to obtain a crude acid, solvent extracting the crude acid with an organic solvent so as to separate a raffinate from a relatively pure, wet process phosphoric acid and treating said raffinate with a base so as to raise the pH to 1-2 whereby uranium hydroxide or phosphate and other heavy metal hydroxides or phosphates are coprecipitated. The uranium content of the coprecipitate after drying is at least as high as 0.3% which is comparable to that of uranium ores of the highest quality.

REFERENCES:
patent: 2743157 (1956-04-01), Hagemann
patent: 2859092 (1958-11-01), Bailes et al.
patent: 2882123 (1959-04-01), Long
patent: 2901314 (1959-08-01), Vavalides
patent: 2953432 (1960-09-01), Hart et al.
patent: 2978294 (1961-04-01), Hyde et al.
patent: 3052514 (1962-09-01), Schmitt
patent: 3320033 (1967-05-01), Goren
patent: 3825649 (1974-07-01), Gresky et al.

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