Question: Use a process simulator to model a two-stage compression system with an intercooler. The feed stream consists of 95 mol% hydrogen and 5 mol% methane

Use a process simulator to model a two-stage compression system with an intercooler. The feed stream consists of 95 mol% hydrogen and 5 mol% methane at 100 F and 30 psia; 440 lbmol/h is compressed to 569 psia. The outlet temperature of the intercooler is 100 F and its pressure drop is 2 psia. The centrifugal compressors each have an isentropic efficiency of 0.9 and a mechanical efficiency of 0.98.

Determine the power requirements (in consumed hp) and heat removed (in BTU/h) for three values of the intermediate pressure (i.e. outlet pressure of the first stage): 100, 130, and 160 psia. Use the Peng-Robinson equation of state

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