Method for removing cesium from a nuclear reactor coolant

Details Method for removing cesium from a nuclear reactor coolant Method for removing cesium from a nuclear reactor coolant

1983-08-10

1986-05-06

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Fission reactor material treatment

Impurity removal

210791, G21C 1942

Patent

active

045870837

ABSTRACT:
A method of and system for removing cesium from a liquid metal reactor coolant including a carbon packing trap in the primary coolant system for absorbing a major portion of the radioactive cesium from the coolant flowing therethrough at a reduced temperature. A regeneration subloop system having a secondary carbon packing trap is selectively connected to the primary system for isolating the main trap therefrom and connecting it to the regeneration system. Increasing the temperature of the sodium flowing through the primary trap diffuses a portion of the cesium inventory thereof further into the carbon matrix while simultaneously redispersing a portion into the regeneration system for absorption at a reduced temperature by the secondary trap.

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Takahashi et al., Regeneration of a Large Cold Trap, Nuclear Technology, vol. 54, Sep. 81.

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