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CEB 1043 1. An engineer is designing an absorption system in order to remove sulfur dioxide (S0?) from wet flue gas mixture. The wet flue gas mixture stream containing 33 mol% 502, 7 mol% water vapor and the remaining is gas P, is firstly led to a , 7 dryer and 87% of water vapor is removed from the flue gas mixture in the dryer. The fluc gas mixture stream exiting from the dryer is then fod to the bottom of an absorption column. A feed solvent solution, containing 90 mol% solvent Y and 10 mol% SO2, is used to absorb only So, from the flue gas mixture in the absorption column. The absorption efficiency of the absorption column is 91%. The gas stream exit from the top of the absorption alumn and the liquid stream exit from the botlom of the absorption column. Given that the molecular weight of the pure solvent Y is 49 g/mol. Assume that cvaporation of the solvent Y in the absorption column can be neglected and the solvent solution only absorb SOfrom the flue gas mixture. TABLE Q1 show the flowrate of wetflue gas mixture fed to the dryer and the flowrate of solvent solution fod to the top of the absorption column. TABLE Q1 Flowrate of wet fluo gas mixture fod to the dryer (mos) Student with matric ID ending with respective number last digit number) 0,1,2,3 4.6.8 5,7,9 Flowrate of solvent solution fod to the absorption column (mols) 1500 2000 2500 250 360 470 a. By drawing a completely labeled flowchart for this system, write down FOUR (4) mass balance equations for the dryer and write down FIVE (5) mass balance equations for the absorption column. [34 marks] b. Determine the molar composition for all components in the exit gas stream and the exit liquid stream, respectively. (20 marks]