Page 215 - Principles of Catalyst Development
P. 215

204                                                       CHAPTER  8






                      >-
                      f-
                      >                                   HIGH
                      f-                                 R
                      o
                      «
                      w  0.5
                      >
                      i=
                      «
                      ....J
                      UJ
                      a:




                                              0.5                1.0
                              FRACTION  OF  SURFACE  POISONED
                    Figure 8.14.  Activity  decline  for  nondiffusional resi,tance of poison.




                         1.0
                                                   cl>p  HIGH

                     >-
                     f-
                     >
                     f-
                     0
                     «
                     w   0.5
                     >
                     f-
                     «
                     ....J
                     W
                     a:






                             FRACTION  OF  SURFACE  POISONED
                Figure 8.15.  Activity  decline  for  increasing diffusional  resistance of a  poison.
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