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Re: What gases constitute the inert portion of exhaust gases?
Posted to Technical Theory Forum on 8/8/2004 2 Replies

Air is ABOUT 80% ntrogen (N2) and 20% oxygen (O2)

The 20% oxygen is necessary for the oxidation of HC into H2O and CO2.

These are the desired reactions.

NO production actually competes with HC for oxygen. (Most NOx is NO).

The exhaust gas that is recyc... Login to read more.

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