Page 91 - Handbook of Natural Gas Transmission and Processing Principles and Practices
P. 91

•       mole fractions


                 The dof of this problem is thus







                                                                                                  (2.21)





                 By specifying   (i.e.,    mole fractions), T, and P, the PT-flash problem is thus perfectly
               determined.
                 Efficient PT-flash algorithms can be found in the reference book by Michelsen and Mollerup
               (2007).






























































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