Reprocessing of spent plasma

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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203 5, 423580, C25F 104

Patent

active

043315224

ABSTRACT:
A process for removing helium and other impurities from a mixture containing deuterium and tritium, which process comprises the following steps: separating the isotopes of hydrogen from the impurity by catalytic oxidation; condensing out the oxides H.sub.2 O, D.sub.2 O and T.sub.2 O thus formed; separating by electrolysis a portion of the said oxides in an electrolytic cell in order to produce a protium-rich portion; distillating the protium-rich portion to separate deuterium and tritium oxides from a distillate rich in water; and electrolyzing the condensate of the distillation step and the non-electrolyzed portion of the first electrolyzing step in order to form a mixture of deuterium and tritium.
Preferably the impure mixture of deuterium and tritium is a waste product of a fusion reactor and the purified deuterium-tritium mixture is recycled to the reactor.

REFERENCES:
patent: 4191626 (1981-07-01), Andrews

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