Recalculate the required flow rate of methane for the afterburner of Problem 11.2 if the exit temperature of the exhaust gases from the outlet must be 750 °C, the heat losses are 12%, and the pollutant (1000 ppm toluene) is 96% combusted in the device. 11.2The desired gas temperature exiting the flame mixing chamberand entering the reaction chamber of a thermal incinerator is750 *C. The polluted airflow rate is 500 m /min at 77 *C, Thefuel gas (methane) is available at 20 °C and the burner draws insupplemental air (at 25 °C) nt the rate of 14 kg air/kg fuel gas.Calculate the required low rate of methane. Ignore heat lossesand heat generation from pollutant combustion. Giveanswer in kg/min and in m'/min.your

The basis of the calculation is taken as 500 m3/min of pollutant airflow rate at 77°C Heat losses…

Answered: 11.2 The desired gas temperature…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

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Recalculate the required flow rate of methane for the afterburner of Problem 11.2 if the exit temperature of the exhaust gases from the outlet must be 750 °C, the heat losses are 12%, and the pollutant (1000 ppm toluene) is 96% combusted in the device.

11.2
The desired gas temperature exiting the flame mixing chamber
and entering the reaction chamber of a thermal incinerator is
750 *C. The polluted airflow rate is 500 m /min at 77 *C, The
fuel gas (methane) is available at 20 °C and the burner draws in
supplemental air (at 25 °C) nt the rate of 14 kg air/kg fuel gas.
Calculate the required low rate of methane. Ignore heat losses
and heat generation from pollutant combustion. Give
answer in kg/min and in m'/min.
your

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