Method of separating uranium from irradiated nuclear fuel

Details Method of separating uranium from irradiated nuclear fuel Method of separating uranium from irradiated nuclear fuel

2005-11-01

2005-11-01

Bos, Steven (Department: 1754)

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

C423S004000, C423S258000, C423S259000, C376S308000, C976SDIG028

Reexamination Certificate

active

06960326

ABSTRACT:
The invention provides a method of separating uranium from at least fission products in irradiated nuclear fuel, said method comprising reacting said irradiated nuclear fuel with a solution of ammonium fluoride in hydrogen fluoride fluorinating said reacted irradiated nuclear fuel to form a volatile uranium fluoride compound and separating said volatile uranium fluoride compound from involatile fission products. The invention thus provides a reprocessing scheme for irradiated nuclear fuel. The method is also capable of reacting, and breaking down Zircaloy cladding and stainless steel assembly components. Thus, whole fuel elements may be dissolved as one thereby simplifying procedures over conventional Purex processes.

REFERENCES:
patent: 3012849 (1961-12-01), Horn
patent: 3145078 (1964-08-01), Strickland et al.
patent: 3832439 (1974-08-01), Carter, Jr.
patent: 4212686 (1980-07-01), Lunde et al.
patent: 1588220 (1970-04-01), None
patent: 981044 (1965-01-01), None

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