You are requested as a process engineer to perform the analysis on both dry and wet basis of the product stream generated from the combustion unit of your plant. Butane $(C_4{H}_{10})$ is burnt in the combustion chamber at a rate of $250$ mole$/$hr with $150\%$ excess air. $80$mol$\%$ of the feed goes to complete combustion while $15$mol $\%$ goes to incomplete combustion and the balance remains unburnt.

$9\mathrm{.}1$ Draw and completely label the process flow diagram.

$9\mathrm{.}2$ Calculate the mass flow rate of the air stream entering the combustion chamber.

$9\mathrm{.}3$Perform the analysis of the flue gas on both dry and wet basis.