Page 128 - Principles of Catalyst Development
P. 128

116                                                      CHAPTER  6








                           DEHYDRA.ED
                                              /      PORE-FILLING
                             PELLETS
                                                      SOLUTION


                                                    PORE-SATURATED
                                                       PELLETS




                                            j """








                                    IMPREGNATED  PELLETS
                       Figure 6.18.  Steps in  impregnation  of the  active  component.


















                        -- INCREASING  RATE  OF  DRYING  _
                                          o  o





                          Figure 6.19.  Pore  and  particle  profiles  after drying.
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