Question: Redo Problem 5.20 using Aspen Plus. Problem 5.20 N-butane is to be liquefied to make liquid petroleum gas (LPG). The butane is available at 25

Redo Problem 5.20 using Aspen Plus.

Problem 5.20

N-butane is to be liquefied to make liquid petroleum gas (LPG). The butane is available at 25^◦C and 1 bar, it will be compressed to 15 bar in a compressor that has an isentropic efficiency of 85%, cooled to 0^◦C in a heat exchanger, and then expanded adiabatically to 1 bar, with the vapor recycled to the compressor. Determine the work required per kg of LPG produced.

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