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

1980-04-23

1982-07-06

Miller, Edward A.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 11, 423 15, 423 16, 252627, C01G 5600, C01F 1500

Patent

active

043382860

ABSTRACT:
A process for recovering uranium and/or thorium from a liquid containing uranium and/or thorium is disclosed, which comprises making a precipitate composed mainly of amorphous silica formed by adding water glass to the liquid containing uranium and/or thorium, capturing the uranium and/or thorium in the liquid by the precipitate, treating the precipitate with acid to elute the captured uranium and/or thorium, adding ammonia or hydrogen peroxide to an acidic solution containing the eluted uranium and/or thorium to form a precipitate composed of ammonium salt or peroxide of the uranium and/or thorium, and filtering out the ammonium salt or peroxide precipitate. Thus, high purity solid uranium and/or thorium reutilizable for manufacture of nuclear fuel material can be recovered in high yield.

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

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