Natural Gas processing

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400 mmscfd of gas of the following composition is stripped of CO2 and Ethane. Calculate the Densities, Mass flow rates, Gross Heating Values and Wobbe Indices of the Deethanizer Overhead and Bottom streams. The separation efficiency of the stripper is 75% with a pressure and temperature drop of 25 psig and 15F respectively, The separation efficiency of the de-ethanizer is 70% with a pressure and temperature drop of 20 psig and 10F respectively. The gas enters the stripper at 1400psig and 120F. Assume 14.7 psia and 60F for standard conditions. 81 CO2 C2,C1 Overhead 82.5 C2 18.63 C3 2.6 iC4 10.32 nC4 0.35 iC5 0.15 nC5 0.14 C6 0.111 C7 0 C8 0 CO2 De- Stripper Etharlier CO2 3.5 JH2S 0 N2 1.65 He 0 H2 0 H2O 0.05) Total 100 Raw Gas 400 MMscfd 1400 psig 120 F Bottom