Filter for treatment of carbon-based particles in exhaust gas an

Details Filter for treatment of carbon-based particles in exhaust gas an Filter for treatment of carbon-based particles in exhaust gas an

1996-09-24

1998-09-01

Cain, Edward J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422175, 422178, F01N 310

Patent

active

058007903

ABSTRACT:
A filter is provided for treating carbon-based particles in exhaust gas discharged from a diesel internal combustion engine, etc., said filter providing in addition to a high throughput capacity, excellent durability, and good economic and maintenance properties, and a device for treating carbon-based particles in exhaust gas having a high throughput capacity, the regeneration of which is easy. This filter is obtained by cutting an end face of a coiled material that is obtained by winding a sheet of a high-temperature resistant stainless steel having resistance heat-generating properties to produce fibers, gathering the thus-produced fibers to form a web, sintering the web, heat-treating the sintered web to form an alumina film on the surface of the sintered fibers, and optionally supporting a catalyst on the alumina film. In the device electrodes are fixed to the free ends of the filter and, when necessary, an electric current is applied from an electric current-supplying device to the electrodes to cause the filter to generate heat.

REFERENCES:
patent: 4362016 (1982-12-01), Papadopulos
patent: 5405422 (1995-04-01), Ueda et al.
patent: 5409669 (1995-04-01), Smith et al.

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