Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Radioactive metal
Patent
1984-06-01
1987-03-10
Miller, Edward A.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Radioactive metal
423 54, 423 70, C01G 4300, C01G 3900, C01G 2500, C01G 2700
Patent
active
046490302
ABSTRACT:
A process for the purification by selective separation of uranium and/or molybdenum from zirconium and/or hafnium among other impurities contained in an amino organic phase by bringing them together with an aqueous sulphuric re-extraction solution, characterized in that, with a view to increasing the separation factor of the zirconium and/or hafnium on the one hand and the uranium and/or molbydenum on the other hand, the aqueous sulphuric re-extraction solution contains at least one alkali or equivalent sulphate.
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Coleman et al., Industrial & Engineering Chem., 50 (#12) 1756-1762 (Dec. 1958).
Miller Edward A.
Uranium Pechiney
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