Process for removing hydrogen phosphide from waste air

Details Process for removing hydrogen phosphide from waste air Process for removing hydrogen phosphide from waste air

1989-06-22

1990-12-04

Russell, Jeffrey E.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

B01D 5336

Patent

active

049752545

ABSTRACT:
For removing hydrogen phosphide from waste air, the hydrogen phosphide-containing waste air is passed at temperatures from 50.degree. to 350.degree. C. over a catalyst which is composed, at least on its surface, of at least one metal which, in a 1-molar acidic aqueous solution, has a potential which is at least 200 mV more positive than that of the standard hydrogen electrode.

REFERENCES:
patent: 1325145 (1919-12-01), Davis
patent: 4156697 (1979-05-01), Hestermann et al.
patent: 4355010 (1982-10-01), Jodden et al.
patent: 4910001 (1990-03-01), Kitahara et al.
Journal of Applied Chemistry, U.S.S.R., Dec. 10, 1987, pp. 1340-1341.
V. M. Bogdanov et al. Zhurnal Prikladnoi Khimii 60:1055-1058 (1987), Moscow.
P. G. Hall et al, Carbon 23:353-371 (1985), Great Britain.

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