Catalytic plasma exhaust converter

Details Catalytic plasma exhaust converter Catalytic plasma exhaust converter

1998-02-23

1999-08-24

Tran, Hien

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422171, 422177, 422186, 42218604, 60275, F01N 310, B01J 1912

Patent

active

059421959

ABSTRACT:
A catalytic plasma converter combines oxidation and reduction of exhaust gas emissions such as HC, CO, NO and NOx by providing a pair of catalytic metallic porous elements, such as electrically conductive metal matrix material, spaced apart to define an intermediate reaction chamber. High voltage electric charges of opposite polarity applied to the two elements generate a gas plasma in exhaust gases passing through the converter reaction chamber. Passage of gases through the catalytic elements oxidizes CO and HC emissions present in the exhaust gases while the gas plasma in the reaction chamber causes reduction of NO and NOx and further reaction of HC and CO exhaust emissions.

REFERENCES:
patent: 5131941 (1992-07-01), Lemelson
patent: 5236672 (1993-08-01), Nunez et al.
Vehicle Exhaust Treatment Using Electrical Discharge Methods; R. Tonkyn, S. Barlow, M. L. Balmer & T. Orlando; Pacific Northwest Nat'l Laboratory and D. Goulette, No Date.
Delphi Energy & Engine Management Systems; SAE Paper #971716; May 5-8, 1997 .

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