Process for producing honeycomb catalyst for exhaust gas convers

Details Process for producing honeycomb catalyst for exhaust gas convers Process for producing honeycomb catalyst for exhaust gas convers

1984-05-03

1985-03-12

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502304, 4232135, B01J 2104, B01J 2106, B01J 2310, B01J 2389

Patent

active

045045984

ABSTRACT:
A process for producing a high-temperature resistant honeycomb catalyst, which comprises admixing cerium, zirconium, at least one metal selected from the group consisting of iron and nickel, at least one metal selected from the group consisting of platinum, palladium and rhodium, and optionally at least one metal selected from the group consisting of neodymium, lanthanum and praseodymium, each in the form of an aqueous solution or dispersion of a soluble or easily water-dispersible compound of the metal, with active alumina, drying the mixture, calcining it, dispersing the resulting catalyst composition in an aqueous medium, and depositing the dispersion on a monolithic honeycomb carrier. The resulting catalyst is useful for simultaneous conversion of hydrocarbons, carbon monoxide and nitrogen oxides in an exhaust gas.

REFERENCES:
patent: 4294726 (1981-10-01), Bozon et al.
patent: 4316822 (1982-02-01), Fujitani et al.
patent: 4448895 (1984-05-01), Ono et al.

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