MANUFACTURE OF STYRENE. Styrene is to be manufactured from ethylene and benzene by the following reactions. Synthesize the three species allocations you feel would lead to economic processing.

$()$ atm conversion $($benzene$)($ethylene$)($ethylbenzene$)$

$C_6{H}_5-(C_2{H}_5)+15H_{2}O{?}_{\text{l}\text{a}\text{t}\text{m}}^{{500}^{\text{@}}C}{C}_6{H}_5(C_2{H}_3)+H_2+15H_{2}O$

$($ethylbenzene$)$

$($styrene$)$

$($hydrogen$)$

trace $\{[$ methane $],[$ toluene $]\},60\%$ conversion

Additional information:

$($a$)$ Raw benzene contains $2$ per cent water.

$($b$)$ Only benzene and ethylene are allowed in reaction $1.$

$($c$)$ Only benzene, water, and trace toluene are allowed in reaction $2.$

$($d$)$ No impurities are allowed in product styrene.