Question

Please show all work to get to the following correct answer to this question. The answer is listed at the end of the question.

Natural gas composed of 60. mol% methane, 30. mol% ethane, and 10. mol% propane at 25 °C and 500. psia is fed at a rate of 50. m³/hr into a boiler. In the boiler it is blended with enough air to provide 20% excess oxygen and combusted. The exhaust gas is passed through several air pollution control unit operations before being released through a smokestack into the atmosphere at a temperature of 400 °C. Determine the flow rate (in m³/hr) of exhaust gas through the smokestack. {Answer: 79,400 m³/hr}

Answer 1