Combustion goes into heating the combustion products

Reference no: EM13680945

A mixture of 75 mole% propane as well as 25 mole% hydrogen is burned with 25% excess air. Fractional conversions of 90% of the propane as well as 85% of the hydrogen are achieved of the propane that reacts, 95% reacts to form CO as well as the balance reacts to form CO. The hot combustion product gas passes through a boiler in which heat transferred from the gas converts boiler feed water into steam. a) Compute the concentration of CO (ppm) in the stack gas. b) The CO in the stack gas is a pollutant. Its concentration can be reduced by increasing the percent excess air fed to the furnace. Believe of at least two costs of doing so. The heat released by the combustion goes into heating the combustion products as well as the higher the combustion product temperature, the more steam is produced.

Reference no: EM13680945

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