Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1974-12-26
1977-10-18
Wyse, Thomas G.
Gas separation
Means within gas stream for conducting concentrate to collector
55 58, 55 66, B01D 5302
Patent
active
040544273
ABSTRACT:
A method of recovering krypton and xenon nuclides from waste gases of nuclear power plants which comprises conveying a stream of waste gas at atmospheric pressure through a bed of activated carbon in an adsorber until the nuclides begin to issue at the outlet of the adsorber. The bed is thereupon regenerated by reducing the pressure therein to 10-300 torr to obtain a desorption gas which can be admixed to waste gas by rinsing the bed with a fluid (preferably an inert gas) at a pressure of 10-400 torr to obtain a stream of product gas which contains a high concentration of nuclides, and by thereupon raising the pressure in the adsorber with an inert gas back to atmospheric pressure.
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patent: 3680288 (1972-08-01), Eluard
patent: 3703797 (1972-11-01), Lepold et al.
patent: 3797201 (1974-03-01), Tamura
patent: 3923477 (1975-12-01), Armond et al.
Cryogenic Rare Gas Recovery in Nuclear Fuel Reprocessing, Chem. Engr., vol. 78, No. 22, pp. 55-57.
Juentgen Harald
Knoblauch Karl
Kronauer Peter
Schroeter Hans-Juergen
Bergwerksverband GmbH
Lander Ferris H.
Striker Michael J.
Wyse Thomas G.
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