Engineering, 03.12.2019 07:31, sleimanabir
A50 mol% mixture of propane (1) and n-butane (2) enters an isothermal flash drum at 37°c. if the flash drum is maintained at 0.6 mpa, what fraction of the feed exits as liquid? what are the compositions of the phases exiting the flash drum?
work the problem in the following two ways.
a. use raoult’s law (use the peng-robinson equation to calculate pure component vapor pressures).
b. assume ideal mixtures of vapor and liquid. (use the peng-robinson equation to obtain fsat for each component.)
Answers: 2
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An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
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A50 mol% mixture of propane (1) and n-butane (2) enters an isothermal flash drum at 37°c. if the fla...
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