Use the following reduced form of R-R equation for a binary mixture: 2 of Text book, Ps (benzene) are 20, 23Īnd 23 psia, respectively and Ps (toluene) are 8, 9 and 9 psia, respectively.] The problemĭo your calculations for T=195, 205 and 205, [From Fig. Solution and use vapor pressure data from Figure 2. If 90% of the toluene entering in the feed leaves in the liquid? Assume the mixture to be an ideal What percent of benzene in the feed leaves in the vapor Table 1: Antoine’s constant for ethane, n-butane and n-propane, Psat is in and T is in K]Ī liquid containing 40 mol% benzene and 60 mol% toluene is continuously distilled in a singleequilibrium-stage unit at atmospheric pressure. The Antoine’s equation and the values of the constants for ethane, n-butane and n-pentane are given Find the bubble point temperature for the feed flash at drum Ī feed that is 45 mole% ethane, 30 mole% n-butane and 25 mole% n-pentane is flashed distilled. Drum pressure = 250 kPa, and drum temperature is = 30° C. Preview text DEPARTMENT OF CHEMICAL & amp MATERIALS ENGINEERINGĪ feed that is 50 mole% methane, 10 mole% butane, 15 mole% n-pentene, and 25 mole% n-hexane isįlashed distilled. Exam Winter 2017, questions and answers.
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