2 35 Pts An Inlet Water Solution At A Total Entering Flow Rate Of 800 Kg H Contains 12 0 Wt Acetone And Is To Be Ex 1 (31.55 KiB) Viewed 46 times
2 35 Pts An Inlet Water Solution At A Total Entering Flow Rate Of 800 Kg H Contains 12 0 Wt Acetone And Is To Be Ex 2 (31.55 KiB) Viewed 46 times
2. (35 pts.) An inlet water solution at a total entering flow rate of 800 kg/h contains 12.0 wt% acetone and is to be extracted with a trichloroethane solvent that contains 0.5 wt% acetone in a a countercurrent contacting tower. The total entering flow of the solvent stream is 620 kg/hr. Water and trichloroethane are essentially immiscible. The exit concentration of the water (raffinate) stream is to be reduced to 1.0 wt% acetone. The equilibrium data can be described as: (kg acetone / kg trichloroethane) = 1.65 x (kg acetone / kg water) a. What is the composition of the exiting extract stream? b. How many theoretical (equilibrium) stages are required for the extraction? (A blank sheet of paper follows for your work up, and a piece of graph paper on p. 7 is attached if you wish to perform a graphical analysis.)
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