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Ethyl benzene and heptane mixture is fed with heptane composition of $0\mathrm{.}5$ and a flowrate of $1$kmo$\frac{l}{h}r$ to an atmospheric enriching column with a side stream $(0)$ as shown in the figure below:Ethyl benzene and heptane mixture is fed at a super heated condition with a q value as $-0\mathrm{.}3.$ The side stream heptane composition is $0\mathrm{.}75$ and the distillate heptane composition leaving the total condenser is $0\mathrm{.}98.$a$)$ Determine the minimum reflux ratio $($Rmin$)$ if the side stream is $0\mathrm{.}2$kmol$//$hr$..\mathrm{.}20$ptsb$)$ Determine the maximum side stream flow rate for R$=2**$R min $($Rmin which was determined in part a$)).\mathrm{.}20$ ptsc$)$ For R$=2**$R min $($ R min which was determined in part a$)$ and O$=0$max$//1\mathrm{.}5($Omax which was determined in part b$))$ determine the number of ideal stages and the stage where the side stream is located..... $20$ pts bonus

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Equilibrium data for ethyl benzene$-$heptane system

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