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Re: 91 prizism nox fed no egr failure
Posted to Emissions Forum on 5/2/1999 1 Reply

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The efficiency of the CAT is dependent on the composition of the feedgas.

NOx reduction will drop from +90% to near 0% as the O2 level rises from under 0.5% to ove 2.0% combined with a drop in CO. ... Login to read more.

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