PORE-MOUTH POISONING OF NON-UNIFORM CATALYSTS |
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| Authors: | Darí o R Ardiles Alberto A Castro |
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| Abstract: | Impurity poisoning of a catalyst particle having a non-uniform activity distribution is analyzed. Equations that relate the position of the poison-front with time for different activity profiles are derived. It is shown that the effect of the activity distribution on the poisoning rate is apparent in the case of intraparticle-diffusion control. The performance of a non-uniform bifunctional catalyst in such conditions is also studied. |
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| Keywords: | Catalyst deactivation Activity distribution Pore-mouth poisoning |
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