Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1991-09-24
1994-03-22
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422173, 422174, 422177, 60299, 60300, 228203, 228176, 502 62, B01D 5000, B01D 5334
Patent
active
052961982
ABSTRACT:
A heater is composed of (a) a honeycomb structure having a large number of passages, (b) an adsorbent composed mainly of zeolite or an adsorbent-catalyst composition comprising adsorbent and a catalyst component supported on the adsorbent, the adsorbent or adsorbent-catalyst composition being coated on the honeycomb structure and (c) at least two electrodes fixed to the honeycomb structure for electrification of the honeycomb structure, wherein a gas is flowed through the passages in the honeycomb structure and is heated. A catalytic converter has at least one main monolith catalyst and the above heater provided upstream or downstream of the main monolith catalyst or between two main monolith catalysts. A catalytic converter for purification of automobile exhaust gas, has (a) at least one main monolith catalyst, (b) a honeycomb heater comprising a honeycomb structure having a large number of passages and at least two electrodes for electrification fixed to the honeycomb structure, and (c) an adsorbent composed mainly of zeolite. Each of the at least one main monolith catalyst (a), the honeycomb heater (b) and the adsorbent (c) being provided in the exhaust gas system of an automobile.
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Abe Fumio
Noda Keiji
Bhat N.
Housel James C.
NGK Insulators Ltd.
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