Page 378 - Chemical engineering design
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352                                   CHEMICAL ENGINEERING




                                                    Use sour  water system  Use tabular  data  Use γ i  correlations  Use  UNIFAC







                                                      Y             Y            Y             Y


                                                     Sour water  N  Experimental  data  N  γ i  Experimental  data  N  P < 4 bar  C T < 150 °  N








                                                      Y
                                                                                                                      method


                                     Start         Special  case  (polar)                                  Further  experimental  work required  equilibria






                                                      N                                                               phase  of
                                                                                                            N
                                                                                                                      selection
                                                   Hydrocarbon  C 5  or lighter  N  H 2  present  N  P < 1 bar  N  0 < T < 750K  N  P < 350 bar  the  for




                                                                                                                      chart


                                                                   Y          Y            Y                Y
                                                   Y                                                                  Flow

                                                                    Use G−S     Use B−K10   P < 200 bar  N            8.4.  Figure







                                                                                           Y                  Use R−K−S
                                              T < 250K   H 2  present  T < 250K
                                       N            Y            N           N




                                               Y                         Y                  Use G−S



                                              Use G−S    Use P−R  or R−K−S  Use B−W−R
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