hw10key - HOMEWORK# 10 SOLUTION KEY 13-8. Molecular weight...

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HOMEWORK# 10 SOLUTION KEY 13-8. Compostition of K j K j x j Molecular weight y spj M j separator, zj z j /(1+ñ g (K j - 1)), x j y j M j Methane 0.2648 27 0.023203198 0.626486 16.043 10.0507 Ethane 0.0951 5.4 0.034430724 0.185926 30.07 5.59079 Propane 0.0961 1.55 0.078753805 0.122068 44.097 5.38285 i-Butane 0.0173 0.72 0.01948487 0.014029 58.123 0.81541 n-Butane 0.0501 0.54 0.06141333 0.033163 58.123 1.92754 i-Pentane 0.0188 0.23 0.027181846 0.006252 72.15 0.45107 n-Pentane 0.0281 0.18 0.041839472 0.007531 72.15 0.54337 Hexane 0.0378 0.062 0.060542078 0.003754 86.177 0.32347 Heptane plus 0.3919 0.0012 0.653155167 0.000784 218 0.17087 1.000004489 Σ = 25.2561 n g1 = 0.40047 Σ zj/(1+ñg(Kj-1) γ SP = 0.8709 n L1 = 0.59953 Therefore, specific gravity of the separator gas, γ sp = 0.8709 Composition of Compostition Weight Liquid density Liquid volume stock tank feed, z j K-factor at 14.7 psia 100 ºF z j /(1+ñ g (K j - 1)), x j K j x j , y j x j M j ρ oj xjMj/ ρ oj methane 0.023203198 200 0.000768083 0.153616664 0.01232 ethane 0.034430724 38 0.005353984 0.203451404 0.16099 propane 0.078753805 10 0.033930688 0.339306878 1.49624 31.62 0.047319467 i-butane 0.01948487 4 0.013527965 0.054111861 0.78629 35.12 0.022388552 n-butane 0.06141333 3.2 0.046422698 0.148552635 2.69823 36.42 0.074086395 i-pentane 0.027181846 1.25 0.026219713 0.032774641 1.89175 38.96 0.048556271 n-pentane 0.041839472 1.05 0.041534649 0.043611381 2.99672 39.36 0.076136304 hexane 0.060542078 0.32 0.067254808 0.021521538 5.79582 41.4 0.139995593 heptane plus 0.653155167 0.004 0.764991473 0.003059966 166.768 53.11 3.140051614 1.000004062 M STO = 182.607 3.548534194 n g2 = 0.14678 n L2 = 0.85322
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density of propane plus = 51.41085867lb/cu ft W2 = 0.088170557 % W1= 0.00674804 % ρ po/ ρ C3+ = 0.9999 figure 11-6 pseudoliquid density = 51.40571758lb/cu ft specific gravity of stock tank oil = 51.406/62.37 = 0.824205829 Gravity of stock tank oil = 141.5/0.824-131.5 = 40.1804164API
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This note was uploaded on 09/14/2009 for the course PGE 312 taught by Professor Peters during the Spring '08 term at University of Texas at Austin.

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hw10key - HOMEWORK# 10 SOLUTION KEY 13-8. Molecular weight...

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