![]() ![]() Phase Equilibrium (Alternate Form VLE) Historically, when estimates were done by hand: Sometimes the K values are nearly composition independent “hand” techniques of design/solution have used DePriester Charts (hydrocarbons):ĭePriester Chart P = 2 bar T = 100 oC Isobutane others…. Download now of 4 K (or DePriester) Chart (low T range) in American Engineering Units from Introduction to Chemical Engineering Thermodynamics (7th ed) by Smith, J.M. END or go to step 2 if you want to repeat for another or, read, from DePriester chart See page 3 for the equations Approximate equation for binary equilibrium Read K values methane, ethylene, iso-propane and n-octane at 200 kPa and 50 oC Algorithm for phase equilibrium data. ![]() Phase Equilibrium (Alternate Form VLE) Historically, when estimates were done by hand: ![]()
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