Question 2. (65 marks) There is a feed mixture containing 35 mol% of isopropanol and 65 mol% of water. The feed flowrate is 16000 Kg/hr. Benzene is suggested as the entrainer to produce an isopropanol product of at least 99.9 mol% and a water product of at least 99.9mol%. You may have to find the other required thermodynamics data. Component Water (W) Isopropanol (IPA) Benzene (B) W-IPA azeotrope mol% 100 100 100 33 (W) Boiling TC) 100 82.5 80.1 80.4 (a) Sketch and explain the system residue curve map (RCM). [8 marks] (b) By analysing and applying RCM, propose and design a system to meet the above separation requirements. Include the process flow diagram and a complete mass balance for all the streams. Show key calculations. [35 marks]