For extracting acetic acid (A) from a dilute water solution (C)into ethyl acetate (S) at 25oC, estimate or obtain data for (KA)D, (KC)D, (KS)D, and βAC. Does this system exhibit: (a) high selectivity,(b) high solvent capacity, and (c) easy solvent recovery? Can you select a better solvent than ethyl acetate?
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For extracting acetic acid (A) from a dilute water solution (C)into ethyl acetate (S) at 25oC, estimate or obtain data for (KA)D, (KC)D, (KS)D, and βAC. Does this system exhibit: (a) high selectivity,(b) high solvent capacity, and (c) easy solvent recovery? Can you select a better solvent than ethyl acetate?
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- A chart is prepared by plotting In Ksp versus 1/T, using data obtained by performing a lab experiment. Refer to the attached photo for reference on how to solve these equations. Particularly #5 should be useful: A linear fit of the data in the chart yields the equation y = (-5.0020x10^3)x+(2.100x10^1) with an R2 value of 0.9922. Determine the enthalpy (deltaH in kJ) associated with dissolving KNO3. Answer in scientific notation with appropriate sigfigs.The aqueous solution of acetic with a flow rate of 1000 kg/hr contains 30% acetic acid by mass and will be extracted in a countercurrent multistage process with pure isopropyl ether (IPE) to reduce the acetic acid concentration in the final raffinate phase (LN) to 2% by mass. a) Calculate the minimum solvent flow. b) Determine the theoretical number of steps required when using a solvent of 1.5 minimum solvent flow rate. c) Determine the number of theoretical steps using the McCabe-Thiele method. Chart. Acetic acid (A)-Water (B)-isopropyl ether (IPE) (C) LIQUID-Liquid Balances at 1 atm pressure and 293 K Water layer (%) Water (B) Isopropyl ether layer (%) Water (B) 0.6 Acetic acid (A) IPE (C) Acetic acid (A) IPE (C) 98.8 1.2 99.4 99.3 98.9 0.69 98.1 1.2 0.18 0.5 1.41 97.1 1.5 0.37 0.7 2.89 95.5 1.6 0.79 98.4 91.7 1.9 1.0 97.1 6.42 13.30 25.50 36.70 1.9 93.3 4.82 11.40 2.3 84.4 71.1 3.4 3.9 84.7 71.5 21.60 31.10 58.9 4.4 6.9 58.1 48.7 10.6 10.8 45.1 37.1 44.30 46.40 16.5 36.20 15.1…The following concentrations of the vapour at two consecutive trays in the rectifying section of a column have been measured: y3 = 0.94 and y4 = 0.925. The equation of the operating line is y = 0.6667x + 0.32. The relative volatility at the liquid composition on the third tray is α = 1.85. Calculate the Murphree efficiency of the tray.