Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1976-07-22
1978-01-10
Behrend, Harvey E.
Gas separation
Means within gas stream for conducting concentrate to collector
55 17, 250281, 176 1, 176 9, B01D 5700
Patent
active
040677028
ABSTRACT:
A deuterium-tritium separation system wherein a source beam comprised of positively ionized deuterium (D.sup.+) and tritium (T.sup.+) is converted at different charge-exchange cell sections of the system to negatively ionized deuterium (D.sup.-) and tritium (T.sup.-). First, energy is added to the beam to accelerate the D.sup.+ ions to the velocity that is optimum for conversion of the D.sup.+ ions to D.sup.- ions in a charge-exchange cell. The T.sup.+ ions are accelerated at the same time, but not to the optimum velocity since they are heavier than the D.sup.+ ions. The T.sup.+ ions are, therefore, not converted to T.sup.- ions when the D.sup.+ ions are converted to D.sup.- ions. This enables effective separation of the beam by deflection of the isotopes with an electrostatic field, the D.sup.- ions being deflected in one direction and the T.sup.+ ions being deflected in the opposite direction. Next, more energy is added to the deflected beam of T.sup.+ ions to bring the T.sup.+ ions to the optimum velocity for their conversion to T.sup.- ions. In a particular use of the invention, the beams of D.sup.- and T.sup.- ions are separately further accelerated and then converted to energetic neutral particles for injection as fuel into a thermonuclear reactor. The reactor exhaust of D.sup.+ and T.sup.+ and the D.sup.+ and T.sup.+ that was not converted in the respective sections is combined with the source beam and recycled through the system to increase the efficiency of the system.
REFERENCES:
patent: 2758006 (1956-08-01), Carter et al.
patent: 3424904 (1969-01-01), Donnally
Helv-Phys. Acta, 43, 1970, pp. 254-271, by Gruebler et al.
UCID-15893, 8/18/71, pp. 1-11, by Osher.
UCRL-74057, Rev. 1, 9/15/72, pp. 1-36, Figs. 1-10, by Hickman.
Behrend Harvey E.
Carlson Dean E.
Clouse, Jr. Clifton E.
Gaither Roger S.
The United States of America as represented by the United States
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