Browse Publications Technical Papers 2002-01-0905
2002-03-04

Theoretical and Experimental Investigation on Current Generation Pd/Rh Catalytic Converter 2002-01-0905

Performance of a Current generation catalytic converter using Pd/Rh (10:1) as binary catalyst impeded on an ultra thin ceramic substrate and alumina wash coat is modeled for performance prediction and parametric optimization. Kinetic rates for the catalyst are reduced after conducting series of experiments on a passenger car engine.
A new concept in mass transfer coefficient is introduced for improving accuracy of the model prediction.
In order to take care of the precious metal resources and to become independent of precious metal price fluctuation, a new pattern of loading of precious metal is suggested for optimum performance and metal savings about 46 percent was observed.
Experimental investigations were carried out to validate the established kinetic rates over a wide range operation of the engine and for the model validation. Satisfactory agreements are observed for the model prediction and experimental results.

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