Chemistry of inorganic compounds – Oxygen or compound thereof
Patent
1977-12-30
1980-06-17
Meros, Edward J.
Chemistry of inorganic compounds
Oxygen or compound thereof
423219, 423242, 423481, 423522, C01B 1300
Patent
active
042083966
ABSTRACT:
Substantially pure O.sub.2 is recovered from a gaseous mixture containing O.sub.2 and another gas, such as SO.sub.2 or NH.sub.3. An O.sub.2 --SO.sub.2 mixture is injected into a substantially vertical reaction zone to which I.sub.2 and H.sub.2 O are continuously supplied at an upper location. By injecting the gas mixture at a lower location and at a preselected rate, substantially all of the SO.sub.2 in the mixture either reacts chemically or is dissolved in the H.sub.2 O. I.sub.2 may be supplied in particulate form and in substantial excess with respect to water so that the intermediate zone resembles a packed bed of wet iodine, in which case the gaseous mixture flows in the interstices of the packed bed. Electrolysis or an other chemical reaction wherein O.sub.2 does not take part can also be used.
REFERENCES:
patent: 3318662 (1967-05-01), Pauling
patent: 4056607 (1977-01-01), Behr
patent: 4080436 (1978-03-01), Fremery et al.
patent: 4089939 (1978-05-01), Norman et al.
patent: 4089940 (1978-05-01), Norman et al.
General Atomic Company
Meros Edward J.
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