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Oxidative dehydrogenation of ethylbenzene with carbon dioxide over zeolite-supported iron oxide catalysts

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Abstract

Oxidative dehydrogenation of ethylbenzene with carbon dioxide was carried out over ZSM-5 zeolite-supported iron oxide catalysts. In the presence of carbon dioxide, ethylbenzene was predominantly converted into styrene by oxidation. It was found that carbon dioxide in this reaction plays a role as a soft oxidant to greatly improve catalytic activity. An active phase for the dehydrogenation with carbon dioxide was suggested as rather reduced and isolated magnetite-like phase having oxygen deficiency in zeolite matrix.

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Park, M.S., Chang, JS., Kim, D.S. et al. Oxidative dehydrogenation of ethylbenzene with carbon dioxide over zeolite-supported iron oxide catalysts. Research on Chemical Intermediates 28, 461–469 (2002). https://doi.org/10.1163/156856702760346879

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