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Agenzia Nazionale per le Nuove Tecnologie lEnergia e lo Sviluppo Economico Sostenibile ENEA
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Comitato Nazionale per lEnergia Nucleare CNEN
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Application filed by Comitato Nazionale per lEnergia Nucleare CNENfiledCriticalComitato Nazionale per lEnergia Nucleare CNEN
Publication of ES279169A1publicationCriticalpatent/ES279169A1/en
Process for the production of mixed oxide of thorium and uranium, ceramic grade from a solution of uranyl nitrate and thorium nitrate, containing less than 1.5 gram-molecules per liter of free nitric acid, characterized by succession of the following steps: reduction of uranyl nitrate to uranous nitrate with gaseous hydrogen in the presence of a catalyst consisting of a metal of the finely divided platinum group or deposited on an inert support; cold precipitation with oxalic acid in excess of a mixed oxalate of thorium and uranosus; calcining of the filtered precipitate at a temperature above 400º C. (Machine-translation by Google Translate, not legally binding)
ES0279169A1961-12-051962-07-12Procedure of mixed oxide duction of torio and uranium (Machine-translation by Google Translate, not legally binding)
ExpiredES279169A1
(en)
Procedure for the preparation of an adequate uranium nitrate solution for use as a plutonium reducing agent in an irradiated fuel treatment plan (Machine-translation by Google Translate, not legally binding)