Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Radioactive metal
Patent
1973-10-23
1976-11-09
Miller, Edward A.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Radioactive metal
423 9, 423 10, 423 20, C01G 4300
Patent
active
039911543
ABSTRACT:
A method of regenerating fuel and/or breeder elements with thorium as brer material for nuclear reactors. The fuel and/or breeder material is dissolved in an acid such as nitric acid, sulfuric acid or the like and the thus obtained solution is subjected to a liquid-liquid reaction with an extraction substance such as tributyl phosphate dissolved in an organic solvent. The fuel material and breeder material are enriched in the organic phase and the fission products remain in the aqueous phase, whereafter the fuel material and/or breeder material are converted into oxides, carbides etc. Prior to the above mentioned liquid-liquid extraction, the acid solution containing the fuel material and/or breeder material is passed over a sorption column in such a way that the number of mols of adsorbed .sup.233 Pa per time unit equals the number of mols of .sup.233 Pa disintegrating per time unit in the sorption column to form .sup.233 U.
REFERENCES:
patent: 3664964 (1972-05-01), Haney et al.
patent: 3825649 (1974-07-01), Gresky et al.
Coenegracht Octave
Zimmer Erich
Becker Walter
Kernforschungsanlage Julich Gesellschaft mit beschrankter Haftun
Miller Edward A.
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