Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Mixture is exhaust from internal-combustion engine
423239, 4232135, 252470, B01D 5300
Catalyst for the decomposition of nitrogen oxides, particularly for use in catalytic exhaust boxes in view of decomposing the nitrogen oxides contained in the exhaust gases from internal combustion engines, comprising, deposited on a carrier, from 3 to 20% of an active phase of the formula Ni.sub.x (Fe.sub.y Cr.sub.z)O.sub.t, in which x has a value from 0.5 to 1.5, y + z a value from 1.5 to 3, the ratio ##EQU1## A VALUE FROM 0.01 TO 0.9 AND T A VALUE LOWER THAN 10.
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Hearn Brian E.
Societe Francaise des Produits pour Catalyse
Vertiz O. R.
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