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5. Determine the required flow rate of methane for an incinerator that will remove 96% of toluene which is present at a mixing ratio of 1000 ppm in the exhaust gas (96% removal means Xi=0.96). Heat losses from the incinerator are 12% and the exit gas temperature is 750 °C. The polluted air flow rate is 500 m3 /min at 77 °C. Methane and burner air are available at typical ambient temperature (~25 °C). Burner air is supplied at a ratio of 14 kg air/kg fuel.
5. Determine the required flow rate of methane for an incinerator that will remove 96% of toluene which is present at a mixing ratio of 1000 ppm in the exhaust gas (96% removal means Xi=0.96). Heat losses from the incinerator are 12% and the exit gas temperature is 750 °C. The polluted air flow rate is 500 m3 /min at 77 °C. Methane and burner air are available at typical ambient temperature (~25 °C). Burner air is supplied at a ratio of 14 kg air/kg fuel.
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