Question: A column is to be designed to separate a mixture of ethyl benzene and styrene. The feed will contain 0 . 5 mol fraction styrene,

A column is to be designed to separate a mixture of ethyl benzene and styrene. The feed will contain 0.5mol fraction styrene, and a styrene purity of 99.5% is required, with a recovery of 85%. Estimate the number of equilibrium stages required at a reflux ratio of 8. Maximum column bottom pressure 0.20 bar.

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