Exhaust gas cleaner and method of cleaning exhaust gas catalyst

Details Exhaust gas cleaner and method of cleaning exhaust gas catalyst Exhaust gas cleaner and method of cleaning exhaust gas catalyst

1991-09-25

1993-05-04

Shine, W. J.

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

502303, 502304, 4232132, B01J 2304, B01J 2310

Patent

active

052082024

ABSTRACT:
The exhaust gas cleaner comprising a heat-resistant, porous body and a catalyst supported by the body for cleaning an exhaust gas containing substantially no fine carbonaceous particles, which is equivalent to an oxidizing atmosphere, the catalyst consisting essentially of (a) one or more alkali metal elements; (b) one or more transition metal elements in Group IB; Group IIB, Group VB, Group VIB, Group VIIB and Group VIII of the Periodic Table (excluding platinum-group elements), and Sn; and (c) one or more rare earth elements. The second catalyst consisting essentially of at least one platinum-group element, may be supported by the heat-resistant, porous body.

REFERENCES:
patent: 3896048 (1975-07-01), Mehalchick et al.
patent: 4001371 (1977-01-01), Remeika et al.
patent: 4291126 (1981-09-01), Sugier et al.
patent: 4742038 (1988-05-01), Matsumoto

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