Structure sensitivity and coke formation on Pt/Al2O3 catalysts |
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| Authors: | J Barbier G Corro P Marecot J P Bournonville and J P Franck |
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| Institution: | (1) Laboratoire Associé au CNRS 350, Faculté des Sciences, 40, Avenue du Recteur Pineau, 86022 Poitiers, France;(2) Institut Francais du Pétrole, 1-4 Avenue Bois Préau, 92506 Rueil Malmaison, France |
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| Abstract: | The initial rate of carbon formation during cyclopentane reaction has been studied on different Pt/Al2O3 catalysts of varying metal dispersity. It has been shown that coke deposition on the metal is a structure sensitive reaction which is preferably produced on large metallic particles. On the other hand, coke deposition on the whole catalyst is relevant to cyclopentadiene formation and is a structure insensitive reaction since the initial rate of coke deposition on the whole catalyst is proportional to the metallic surface area.
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