Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Halogenous component
Patent
1976-11-02
1978-05-09
Thomas, Earl C.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Halogenous component
423241, 423487, 55 71, 55 75, 2523011W, 176 37, B01D 5334
Patent
active
040887375
ABSTRACT:
Fission product iodine is removed from a waste gas stream and stored by passing the gas stream through a bed of silver-exchanged zeolite until the zeolite is loaded with iodine, passing dry hydrogen gas through the bed to remove the iodine and regenerate the bed, and passing the hydrogen stream containing the hydrogen iodide thus formed through a lead-exchanged zeolite which adsorbs the radioactive iodine from the gas stream and permanently storing the lead-exchanged zeolite loaded with radioactive iodine.
REFERENCES:
patent: 3658467 (1972-04-01), Maeck
Sneed et al., "Comprehensive Inorganic Chemistry," vol. 2, 1954, D. Van Nostrand Co. Inc., N.Y. 1954, p. 160.
Murphy Llewellyn P.
Staples Bruce A.
Thomas Thomas R.
Carlson Dean E.
Jackson Frank H.
The United States of America as represented by the United States
Thomas Earl C.
Weinberger James W.
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