Exhaust gas cleaner and method of cleaning exhaust gas

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

1992-12-18

1995-01-24

Lewis, Michael

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

B01J 2304

Patent

active

053841107

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 VA, Group VIA, Group VIIA, 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: 4268488 (1981-05-01), Ginger
patent: 4291126 (1981-09-01), Sugier et al.
patent: 4742038 (1988-05-01), Matsumoto
patent: 5075274 (1991-12-01), Kiyohide et al.
patent: 5154901 (1992-10-01), Yoshida et al.

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