Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1990-12-07
1991-08-20
Hart, Charles
Gas separation
Means within gas stream for conducting concentrate to collector
55 58, 55208, B01D 5304
Patent
active
050411470
ABSTRACT:
Tritium and deuterium are separated from a gaseous mixture thereof, derived from a nuclear fusion reactor or some other source, by providing a casing with a bulk getter therein for absorbing the gaseous mixture to produce an initial loading of the getter, partially desorbing the getter to produce a desorbed mixture which is tritium-enriched, pumping the desorbed mixture into a separate container, the remaining gaseous loading in the getter being deuterium-enriched, desorbing the getter to a substantially greater extent to produce a deuterium-enriched gaseous mixture, and removing the deuterium-enriched mixture into another container. The bulk getter may comprise a zirconium-aluminum alloy, or a zirconium-vanadium-iron alloy. The partial desorption may reduce the loading by approximately fifty percent. The basic procedure may be extended to produce a multistage isotope separator, including at least one additional bulk getter into which the tritium-enriched mixture is absorbed. The second getter is then partially desorbed to produce a desorbed mixture which is further tritium-enriched. The last-mentioned mixture is then removed from the container for the second getter, which is then desorbed to a substantially greater extent to produce a desorbed mixture which is deuterium-enriched. The last-mentioned mixture is then removed so that the cycle can be continued and repeated. The method of isotope separation is also applicable to other hydrogen isotopes, in that the method can be employed for separating either deuterium or tritium from normal hydrogen.
REFERENCES:
patent: 3668881 (1972-06-01), Thibault et al.
patent: 4476100 (1984-10-01), Knize et al.
Cecchi Joseph L.
Knize Randall J.
Dvorscak Mark P.
Fisher Robert J.
Hart Charles
Moser William R.
The United States of America as represented by the United States
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