Selective removal of nitrogen oxides from waste gases using V-Mo

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component

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252464, 252465, 252467, 423351, B01J 800, C01B 2100

Patent

active

040716015

ABSTRACT:
A process for selective removal of nitrogen oxides from waste gases containing 1,500 ppm or less (gas volume) of nitrogen oxides by contacting the waste gases with a metal oxide catalyst containing vanadium oxide and at least one of molybdenum oxide and tungsten oxide with an atomic ratio of the oxide forming elements of:

REFERENCES:
patent: 2885409 (1959-05-01), Ryder
patent: 3005831 (1961-10-01), Driebelbis
patent: 3279884 (1966-10-01), Nonnemacher
patent: 3397154 (1968-08-01), Talsma

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