RECOVERY OF URANIUM FROM SOLUTIONS

RECOVERY OF URANIUM FROM SOLUTIONS

For the recovery of uranium from a solution in which the uranium is in valence (VI), a solution is formed containing ammonium (NH4+), fluoride (F-) and sodium hydrosulfite (Na2S2O4). This forms a precipitate (NaNH4UF6), a previously unreported compound. It can be dissolved in an aqueous solution of...

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Bibliographische Detailangaben
Hauptverfasser: KENDALL, JACK B, HERMENS, RICHARD A, PARTRIDGE, JERRY A
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
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Zusammenfassung:For the recovery of uranium from a solution in which the uranium is in valence (VI), a solution is formed containing ammonium (NH4+), fluoride (F-) and sodium hydrosulfite (Na2S2O4). This forms a precipitate (NaNH4UF6), a previously unreported compound. It can be dissolved in an aqueous solution of aluminum nitrate nonahydrate, Al(NO3)3 ? 9h2O. This produces uranyl nitrate hexahydrate, which can be extracted in solutions conventionally used for that purpose.