A 100 kmol/h stream that is 97 mole% carbon tetrachloride (CCI14) and 3% carbon disulphide (CS2) is to be recovered from the bottom of a distillation column. The feed to the column is 16 mole% CS2 and 84% CC14, and 2.5% of the CC14 entering the column leaves in the overhead (top of column). a) Draw and label a flowchart of the process and do the degree-of-freedom analysis. b) Calculate the mass and mole fractions of CC14 in the overhead stream and determine the molar flow rates of CCl4 and CS2 (kmol/h) in the overhead and feed streams

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