Contaminated air purifying apparatus

Details Contaminated air purifying apparatus Contaminated air purifying apparatus

1993-11-03

1996-02-20

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422169, 4221861, 95 61, 95 62, 95 98, 96 3, 96 17, 96 54, 96 55, 96 58, F01N 310, B01D 5000, B01J 1908, B03C 338

Patent

active

054926777

ABSTRACT:
A contaminated air purifying apparatus capable of decreasing particles such as dust floating in air, soot produced by a combustion engine and the like and air pollutants such as nitrogen oxides (NOx) contained in exhaust gas. Particulates such as dust, soot and the like are electrostatically negatively charged and collected in a purifying filter section by coulombic force. NOx is converted into N.sub.2 and CO.sub.2 by an action of carbon fiber or carbon particles, resulting in decreased in concentration. The carbon fiber and carbon particles are preferably modified into an increased surface area of 200 to 2000 m.sup.2 /g.

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