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A preheater and a distillation column are maintained by engineers Marcella and Julius. A stream of pure acetone ( A , C 3 H 6
A preheater and a distillation column are maintained by engineers Marcella and Julius. A stream of pure acetone and a stream containing acetone, ethanol and butanol enter the preheater. One stream exits the preheater containing butanol, some acetone, and some ethanol; the mole fractions of butanol and ethanol are and respectively. The stream of pure acetone entering the preheater is times larger than the component flow rate of acetone in the other stream entering the preheater. The stream exiting the preheater enters a distillation column, and all of the entering butanol exits in the bottom product stream. The recoveries in the overhead product, which is defined and the ratio of component flow rate exiting to component flow rate entering the distillation column, of acetone and ethanol are and respectively. Determine the following three unknowns.
Component flow rate of pure acetone entering the preheater
Component flow rate of ethanol exiting in the bottom product of the distillation column
Component flow rate of acetone exiting in the overhead product of the distillation column
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