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Question: exercises section 21 21 a hydrocarbon stream in a petroleum...

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EXERCISES Section 2.1 2.1 A hydrocarbon stream in a petroleum refinery is to be sepa- rated at 1,500 kPa into two products under the conditions shown below. Using the data given, compute the minimum work of sepa- ration, W,min, in kJ/h for To-: 298.15 K. kmol/h Component Feed Product 1 Ethane Propane n-Butane n-Pentane n-Hexane 30 200 370 350 50 30 192 4 0 Feed Product 1 Product 2 Phase condition Temperature, K Enthalpy, kJ/kmol Entropy, kJ/kmol-K Liquid 364 19,480 36.64 Vapor 313 25,040 33.13 Liquid 394 25,640 54.84
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