Method and apparatus for producing uranyl peroxide (U0.sub.4.2H.

Details Method and apparatus for producing uranyl peroxide (U0.sub.4.2H. Method and apparatus for producing uranyl peroxide (U0.sub.4.2H.

1987-01-20

1988-12-27

Terapane, John F.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423260, 423 20, C01G 4301

Patent

active

047939788

ABSTRACT:
A method and apparatus are provided for producing uranyl peroxide (UO.sub.4.2H.sub.2 O) from uranium-bearing metal pieces. The uranium-bearing metal pieces are dissolved in a first aqueous solution containing nitric acid and between 0.5% and 5.0% fluoboric acid to provide a second aqueous solution which includes uranyl ions (UO.sub.2.sup.+2) and nitric and fluoboric acids. Hydrogen peroxide is added to the second aqueous solution to precipitate uranyl peroxide out of that solution and provide a third aqueous solution which contains nitric and fluoboric acids. The uranyl peroxide is then separated from the third aqueous solution.

REFERENCES:
patent: 2723181 (1955-11-01), Larson
patent: 3037840 (1962-06-01), Gregory
patent: 4152395 (1979-05-01), Borner et al.
Barkman, Y-MA-YSO Union Carbide Corp, Oakridge, Tenn., Feb. 1, 1966, p. 2.
Hydrogen Peroxide Precipitation of Uranium Shaldar, M. et al., Salt Lake City Metallurgy Research Center, Salt Lake City, Utah, Report of Investigations 7931, 1974.

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