Catalyst and a method for its production and use of same

Details Catalyst and a method for its production and use of same Catalyst and a method for its production and use of same

1998-12-07

1999-10-12

Bell, Mark L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Mixture is exhaust from internal-combustion engine

423212, 502304, 502524, 502303, 502307, 502308, 502309, 502312, 502313, 502325, 502321, 502329, 502317, 502318, 502346, B01J 802, B01J 2300, B01J 2342, B01D 4700

Patent

active

059650990

ABSTRACT:
A catalyst and a method for producing the catalyst, for catalytic reduction of NO.sub.x and oxidation of hydrocarbons, the catalyst comprises a zinc, copper and aluminum spinel to which, at least one element selected from palladium, platinum, rhodium, ruthenium, osmium, iridium, rhenium and/or rare earth metals, such as lanthanum and cerium, vanadium, titanium, niobium, molybdenum, tungsten and/or salts thereof and/or oxides thereof has been added.

REFERENCES:
patent: 3903020 (1975-09-01), Sergeys et al.
patent: 4140655 (1979-02-01), Chabot et al.
patent: 5580534 (1996-12-01), Hartweg et al.

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