High temperature attack of ores by means of a liquor essentially

Details High temperature attack of ores by means of a liquor essentially High temperature attack of ores by means of a liquor essentially

1979-01-31

1981-10-20

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 17, 423 61, 423 68, C01G 4300

Patent

active

042960738

ABSTRACT:
A process for the oxidizing attack at high temperature of ores containing at least one metal belonging to the group formed by uranium, vanadium and molybdenum, by means of an aqueous liquor containing a majority of sodium bicarbonate and a minority of sodium carbonate according to a ratio by weight of sodium bicarbonate to sodium carbonate of at least 1.5, in the presence of free oxygen injected into the reaction medium, this medium being maintained at a temperature of between 160.degree. C. and 300.degree. C. for at most six hours.

REFERENCES:
patent: 2815263 (1957-12-01), Eldredge
patent: 2979378 (1961-04-01), Koble
patent: 2992887 (1961-07-01), Thunaes et al.
patent: 3017241 (1962-01-01), McLean
patent: 3022135 (1962-02-01), Hart
patent: 3429693 (1969-02-01), Bauer et al.
patent: 4046852 (1977-09-01), Vertes et al.
patent: 4061711 (1977-12-01), Morgan et al.
"Int. Conf. on Peaceful Uses of Atomic Energy", vol. 8, pp. 8,9, 18-22, 28, 32-37, (1955).

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