Honeycomb heater and catalytic converter

Details Honeycomb heater and catalytic converter Honeycomb heater and catalytic converter

1993-02-24

1994-06-07

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422173, 422177, 502349, 60299, 60300, F01N 310

Patent

active

053187571

ABSTRACT:
A honeycomb heater has a honeycomb structure having a number of passages defined by partition walls, at least two electrodes in electrical contact with the honeycomb structure, a catalyst composition formed on partition walls of the honeycomb structure, including zirconia powder loaded with Rh, an inorganic heat-resistant oxide and a rare earth element oxide. A catalytic converter has at least one or two main monolithic catalyst(s) and a honeycomb heater disposed upstream, downstream or between the main monolithic catalysts.

REFERENCES:
patent: 3956614 (1976-05-01), Hervert
patent: 4675308 (1987-06-01), Wan et al.
patent: 4976929 (1990-12-01), Cornelison et al.
patent: 5039647 (1991-08-01), Ihara et al.
patent: 5063029 (1991-11-01), Mizuno et al.

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