Method of cleaning a spent fuel assembly

Details Method of cleaning a spent fuel assembly Method of cleaning a spent fuel assembly

1988-02-08

1989-05-09

Maples, John S.

Compositions

Radioactive compositions

252626, 376310, 34 15, 134 2215, 134 30, 134 21, G21C 1948, B08B 902

Patent

active

048287601

ABSTRACT:
A method of cleaning a fuel assembly contaminated with a radioactive alkali metal in which the fuel assembly is subjected to heating with an inert gas followed by being placed under vacuum and finally cooled with an inert gas; the latter two steps being performed in repetitive cycles.

REFERENCES:
patent: 3479679 (1969-11-01), Vogel
patent: 4141373 (1979-02-01), Kartanson et al.
patent: 4285891 (1981-08-01), Bray et al.
patent: 4621652 (1986-11-01), Ozawa
"RDT Standard Sodium Removal Processes", #RDT F5-9t, Oak Ridge National Laboratory, Apr. 1977.
Van Dievoet et al., "Sodium Evaporation in an Argon Flow", pp. 418-425, Feb. 1988.
Gabler, M. J. "In Situ Evaporative Cleaning of NDHX", #128RFT000003, Mar. 1985.

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