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Coke and Product Profiles Along Catalyst Bed in Reforming Reactions

Elsevier Science & Technology
DOI: 10.1016/s0167-2991(08)62626-9


Summary The deactivation of a Pt-Re/Al2O3-Cl reforming catalyst was studied at moderate pressure using n-heptane as feed. A reactor which allows the analysis of the reaction products along the catalyst bed and the discharge of deactivated catalyst in discrete sections was used in this study. The coke was characterized by temperature-programmed oxidation (TPO). It was found that toluene production rate exibited a maximum near the inlet of the catalyst bed and the maximun rate moved down the bed as the catalyst deactivated. TPO analysis showed that the distribution of the coke on the different catalytic functions changes along the reactor.

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