Q. The ammonia (NH3) oxidation process occurs over a catalyst as
4 NH3 + 5O2 —-> 6H2O + 4 NO
Air is supplied such that oxygen (O2) is 20% in excess of that required for complete conversion of NH3. The mole fraction of O2 in inlet gas mixture (NH3 + air) is _________________(rounded off to third decimal place)
Ans: 0.170 to 0.200
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