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250   Cha p te r  T e n




                           800






                         C [ppm]  400                          45.7 t/h




                           100

                            50
                                        90 t/h

                                                  m [kg/h]

                     FIGURE 10.33  Water Pinch diagram used to target the minimum water fl ow
                     rate in Problem 9.




                              800                                     45.7 t/h
                                                                      800 ppm


                          C [ppm]  400


                              100
                                                    45.7 t/h 100 ppm
                               50                            44.3 t/h100 ppm
                                     90 t/h
                               90 t/h
                                               m [kg/h]

                     FIGURE 10.34  Design strategy for Problem 9.
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