Process for the catalytic reduction of nitric oxide

Details Process for the catalytic reduction of nitric oxide Process for the catalytic reduction of nitric oxide

1976-02-12

1978-05-16

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

252439, 423351, B01J 800, C01B 2100

Patent

active

040899306

ABSTRACT:
Base metal catalysts are pretreated with selenium, sulfur or sulfur compounds. Subsequently, a gaseous stream comprising nitric oxide, oxygen and ammonia is passed over the pretreated catalysts. The nitric oxide is reduced to nitrogen and no nitrous oxide is formed.

REFERENCES:
patent: 3563912 (1971-02-01), Young
patent: 3850846 (1974-11-01), Kravitz et al.
patent: 3857921 (1974-12-01), Tamura et al.
patent: 3864451 (1975-02-01), Lee et al.
patent: 3914390 (1975-10-01), Kudo et al.
patent: 3933979 (1976-01-01), Eisenloher et al.
patent: 3981971 (1976-09-01), Saito et al.
Chemical Abstracts, vol. 84, 1976, 84:34895v; 84:21719r.

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