Adsorbent-catalyst for exhaust gas purification, adsorbent for e

Details Adsorbent-catalyst for exhaust gas purification, adsorbent for e Adsorbent-catalyst for exhaust gas purification, adsorbent for e

1994-12-22

1996-07-23

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422169, 422177, 422180, 422211, 422222, 422174, 422199, 4232137, 423212, 60297, 60294, 502527, B01D 5334, F01N 328

Patent

active

055386970

ABSTRACT:
An adsorbent-catalyst for exhaust gas purification, has a honeycomb structure having a large number of passages divided by partition walls, substantially parallel to the flow direction of an exhaust gas to be purified, an adsorbent layer having a hydrocarbon adsorbability, supported on the honeycomb structure, and a catalyst layer having a three-way catalytic activity or an oxidizing ability, supported on the honeycomb structure, in which adsorbent-catalyst the adsorbent layer and the catalyst layer are separately supported on the honeycomb structure in all or part of the cross sections of the adsorbent-catalyst perpendicular to the flow direction of the exhaust gas.

REFERENCES:
patent: 5067319 (1991-11-01), Moser
patent: 5112790 (1992-05-01), Watanabe et al.
patent: 5125231 (1992-06-01), Patil et al.
patent: 5315824 (1994-05-01), Takeshima
Cold-Start Hydrocarbon Collection for Advanced Exhaust Emission Control, Martin J. Heimrich et al., Society of Automotive Engineers, Paper No. 920847, 1992, pp. 1-12.

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