Chemistry of inorganic compounds – Radioactive – Uranium compound
Patent
1993-10-27
1995-05-02
Wasil, Daniel D.
Chemistry of inorganic compounds
Radioactive
Uranium compound
423301, 423261, C01G 4300
Patent
active
054117224
ABSTRACT:
The invention is a specialized reaction cell for converting uranium metal to uranium oxide. In a preferred form, the reaction cell comprises a reaction chamber with increasing diameter along its length (e.g. a cylindrical chamber having a diameter of about 2 inches in a lower portion and having a diameter of from about 4 to about 12 inches in an upper portion). Such dimensions are important to achieve the necessary conversion while at the same time affording criticality control and transportability of the cell and product. The reaction chamber further comprises an upper port and a lower port, the lower port allowing for the entry of reactant gasses into the reaction chamber, the upper port allowing for the exit of gasses from the reaction chamber. A diffuser plate is attached to the lower port of the reaction chamber and serves to shape the flow of gas into the reaction chamber. The reaction cell further comprises means for introducing gasses into the reaction chamber and a heating means capable of heating the contents of the reaction chamber.
The present invention also relates to a method for converting uranium metal to uranium oxide in the reaction cell of the present invention.
The invention is useful for down-blending highly enriched uranium metal by the simultaneous conversion of highly enriched uranium metal and natural or depleted uranium metal to uranium oxide within the reaction cell.
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patent: 5009817 (1991-04-01), Hodgson
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Horton James A.
McLean, II William
Miller Philip E.
Chelliah Meena
Gaither Roger S.
Moser William R.
The United States of America as represented by the United States
Valdes Miguel A.
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