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This paper concerns research aimed at developing high temperature metallic melting processes related to the detritiation of exhausted control rods. The objectives of the study are to demonstrate the feasibility of two processes aimed at reducing to the maximum practicable extent the level of tritium contamination and at conditioning wastes by compacting and converting them to a suitable form so that all the subsequent waste management is facilitated. The alternative options are discussed and major constraints concerning the mechanical parcelling of B(4)C rods and chemical attack by alkaline fusion are described. Laboratory experiments involving the selection of the ternary eutectic and testing on BN crucibles are presented.

Additional information

Authors: MODICA G, JRC Ispra (IT);DWORSCHAK H, JRC Ispra (IT);MANNONE F, JRC Ispra (IT);NANNICINI R, ENEA, Centro Ricerche Energia Frascati, Roma (IT)
Bibliographic Reference: Paper presented: PSAM II International Conference, San Diego (US), March 20-25, 1994
Availability: Available from (1) as Paper EN 38253 ORA
Record Number: 199410557 / Last updated on: 1994-11-28
Original language: en
Available languages: en