Process for recovering uranium and/or thorium from a liquid cont

Details Process for recovering uranium and/or thorium from a liquid cont Process for recovering uranium and/or thorium from a liquid cont

1980-05-05

1982-09-14

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 11, 423 15, 423 16, 252631, C01G 5600, C01F 1500

Patent

active

043495133

ABSTRACT:
A process for recovering uranium and/or thorium from a liquid containing uranium and/or thorium is disclosed, which comprises capturing the uranium and/or thorium in the liquid by an amorphous silica precipitate formed by adding water glass to the liquid, making the captured uranium and/or thorium eluted from the precipitate by acid-treatment, recovering the eluted uranium and/or thorium as an acidic solution, and regenerating the precipitate to water glass by use of an alkali metal hydroxide solution. Thus, the uranium and/or thorium can be recovered in high yield and the amorphous silica precipitate, that is, a formed radioactive solid waste can be remarkably reduced.

REFERENCES:
patent: 2839358 (1958-06-01), Price
patent: 2878100 (1959-03-01), Googin
patent: 3238014 (1966-03-01), Gens

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