Method for removing gaseous pollutants in highly dilute concentr

Details Method for removing gaseous pollutants in highly dilute concentr Method for removing gaseous pollutants in highly dilute concentr

1983-06-29

1984-10-02

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423236, 423402, 423573G, B01D 5336

Patent

active

044747390

ABSTRACT:
Hydrogen sulfide and hydrogen cyanide are catalytically removed from air at room temperatures. Air containing H.sub.2 S and HCN in dilute concentrations is contacted with a dry, activated catalyst formed of palladium (II) and copper (II) salts such as chlorides, on an alumina substrate, at a temperature in the range of -20.degree. C. to 85.degree. C. The catalyst may also contain nickel (II) chloride.

REFERENCES:
patent: 2743153 (1956-04-01), Marsh et al.
patent: 3790662 (1974-02-01), Lloyd et al.
patent: 3849336 (1974-11-01), Lloyd et al.
patent: 3859415 (1975-01-01), Nicklin et al.
patent: 3988423 (1976-10-01), Ohrui et al.
patent: 4310497 (1982-01-01), Deschamps et al.

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