HW11ChE+150B+F2010 - ChE 150B Problem Set 11 Due November...

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ChE 150B Problem Set 11 Due November 19, 2010 Problem 1 . (20 Points) Using the data below, construct the following graphs: (a) An equilateral ternary diagram of acetone as the solute, water as the carrier, and 1,1,2-trichloroethane as the solvent. Be sure to include the tie lines on the graph. (b) Compute the selectivity of the solute (pure acetone) for solvent (pure 1,1,2- trichloroethane) at each tie line. Then, plot selectivity versus the concentration of 1,1,2-trichloroethane in the carrier (pure water). Acetone-Water-1,1,2-Trichloroethane Compositions on Phase Boundary: Extract, wt% Raffinate, wt% Acetone Water Trichloroethane Acetone Water Trichloroethane 60 13 27 55 35 10 50 4 46 50 43 7 40 3 57 40 57 3 30 2 68 30 68 2 20 1.5 78.5 20 79 1 10 1 89 10 89.5 0.5 Tie-line Data: Extract, wt% Acetone Raffinate, wt% Acetone 56 44 40 29 18 12 Problem 2. (35 Points) One thousand kilograms per hour of a 45 wt% acetone-in-water solution is to be extracted at 25 o C in a continuous countercurrent system with pure 1,1,2- trichloroethane to obtain a raffinate containing 10 wt% acetone.
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HW11ChE+150B+F2010 - ChE 150B Problem Set 11 Due November...

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