Process for cleaning the exhaust gas of a fusion reactor

Details Process for cleaning the exhaust gas of a fusion reactor Process for cleaning the exhaust gas of a fusion reactor

1988-09-19

1989-10-24

Behrend, Harvey E.

Induced nuclear reactions: processes, systems, and elements

Nuclear fusion

Including removal or use of impurities or reaction products

376314, 376324, 376325, 55 16, 423237, 423247, 423248, G21B 100

Patent

active

048759457

ABSTRACT:
The exhaust gas of a fusion reactor contains, besides non-burnt fuel (tritium and deuterium) and helium, the "ash" from the nuclear fusion reaction a number of impurities with the radioactive tritium and/or deuterium chemically bound to them. In order to clean the exhaust gas, both the elemental and the chemically bound tritium and/or deuterium fractions are separated from the exhaust gas. Separation is achieved exclusively by physical and catalytical process steps, namely a palladium/silver permeator, a CuO/Cr.sub.2 O.sub.3 /ZnO catalyst bed and a further palladium/silver permeator containing a nickel/aluminum oxide bulk catalyst.

REFERENCES:
patent: 4067702 (1978-01-01), Hickman
patent: 4673547 (1987-06-01), Iniotakis et al.
patent: 4774065 (1988-09-01), Penzhorn
Kerr et al., "Fuel Cleanup System for the Tritium Systems Test Assembly: Design and Experiments", Proceedings of Tritium Technology in Fission, Fusion and Isotopic Application, Dayton, Ohio, Apr. 29, 1980, pp. 115 to 118.
Dinner et al., "Tritium System Concepts for the Next European Torus Project", Fusion Technology, vol. 8, No. 2, Part 2, pp. 2228 to 2235.
H. Yoshida et al., Nucl. Technology/Fusion 5, 178 (1984).

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