Selective removal of nitrogen oxides from waste gases containing

Details Selective removal of nitrogen oxides from waste gases containing Selective removal of nitrogen oxides from waste gases containing

1974-07-25

1978-02-21

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423351, 252456, 252458, 252467, B01J 800, C01B 2100

Patent

active

040752836

ABSTRACT:
A process for the selective removal of nitrogen oxides from waste gases containing sulfur oxides as well as nitrogen oxides, which comprises contacting the waste gases with a catalyst comprising active metal oxides consisting of vanadium oxide and at least one of molybdenum oxide and tungsten oxide as a catalytically active component and .alpha.-alumina having a specific surface area of 0.3 to 12 m.sup.2 /g and a pore volume of 0.1 cm.sup.3 /g or more as a carrier wherein the atomic ratio of the vanadium, molybdenum, tungsten and aluminum contained in the carrier alumina is

REFERENCES:
patent: 2885409 (1959-05-01), Ryper
patent: 3005831 (1961-10-01), Dreibelbis
patent: 3279884 (1966-10-01), Nonnenmacher
patent: 3328115 (1967-06-01), Keith et al.
patent: 3397154 (1968-08-01), Talsma
patent: 3701718 (1972-10-01), Papee et al.

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