Exhaust gas purification

Details Exhaust gas purification Exhaust gas purification

1982-09-23

1984-10-23

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

502313, 502332, 502334, 502350, B01D 5336

Patent

active

044787979

ABSTRACT:
An oxidation catalyst for use in a catalytic exhaust gas purification unit comprises a substrate on which a refractory metal oxide is coated, a base metal component and one or more metals from the Platinum Group. The catalyst is highly effective when a metallic substrate is employed and the loading of the refractory metal oxide coating is relatively high. The base metal is useful for catalysts having a ceramic substrate and a relatively low coating loading.

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patent: 4117082 (1978-09-01), Matsuyama
patent: 4189405 (1980-02-01), Knapton et al.
patent: 4237032 (1980-12-01), Evans et al.

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