Abstract

The purpose of this work has been to determine rate expressions, kinetic rate coefficients, and constants, for the overall reactions of exhaust gas and air that take place under conditions existing in engine exhaust reactor systems. For this aim, actual exhaust gas was generated in situ by a spark ignition engine. The gas was then mixed and reacted with air in a tubular reactor, whose diameter, flow rates, and temperatures of operation were of the same order of magnitude as those found in experimental engine exhaust reactor systems designed to reduce exhaust gas emissions. Specifically, the reactions investigated were those of air with the carbon monoxide, hydrogen, and total hydrocarbons contained in the exhaust gas.

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