Exhaust gas-purifying catalyst and process for purifying exhaust

Details Exhaust gas-purifying catalyst and process for purifying exhaust Exhaust gas-purifying catalyst and process for purifying exhaust

1989-10-17

1991-09-10

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

And group viii containing

502 60, B01J 2906

Patent

active

050473786

ABSTRACT:
An exhaust gas-purifying catalyst capable of carrying out the CO-oxidizing reaction and the reduction reaction of NO.sub.x with NH.sub.3 in the same reactor and with good efficiency, and a process for purifying exhaust gases using the catalyst are provided, which catalyst comprises Cu and/or Co supported by Zr oxide or Ti oxide mixed with a Cu-substituted type zeolite.

REFERENCES:
patent: 4331644 (1982-05-01), Ritscher
patent: 4798813 (1989-01-01), Kato et al.

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