Conversion of bio-oxygenates into hydrocarbons in the presence of a commercial Pt–Re/Al2O3 catalyst


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It was found that the preliminarily reduced commercial platinum–rhenium catalyst PR-71 exhibited high activity in the conversion of ethanol into C4–C12 olefins and in the cross-condensation reactions of ethanol with glycerol, acetone, n-propanol, and isopropanol. Acetone and glycerol exhibited the highest reactivity in the cross-condensation reactions; this manifested itself in an increase in the total yield of the target fraction of C4–C12 hydrocarbons and in a more than 10-fold increase in the yield of products containing the odd numbers of carbon atoms, as compared with the conversion of individual ethanol. The structural studies performed by extended X-ray absorption fine structure (EXAFS) spectroscopy and transmission electron microscopy showed that the high selectivity of PR-71 can be caused by the formation of bimetallic Pt–Re and Pt–Al clusters in the course of the prolonged preliminary reduction of the catalyst.

作者简介

P. Zharova

Topchiev Institute of Petrochemical Synthesis; Moscow State University

Email: chistyakov@ips.ac.ru
俄罗斯联邦, Moscow, 119991; Moscow, 119991

A. Gekhman

Moscow State University; Kurnakov Institute of General and Inorganic Chemistry

Email: chistyakov@ips.ac.ru
俄罗斯联邦, Moscow, 119991; Moscow, 119991

V. Kriventsov

Boreskov Institute of Catalysis, Siberian Branch

Email: chistyakov@ips.ac.ru
俄罗斯联邦, Novosibirsk, 630090

M. Tsodikov

Topchiev Institute of Petrochemical Synthesis

Email: chistyakov@ips.ac.ru
俄罗斯联邦, Moscow, 119991

A. Chistyakov

Topchiev Institute of Petrochemical Synthesis; Moscow State University

编辑信件的主要联系方式.
Email: chistyakov@ips.ac.ru
俄罗斯联邦, Moscow, 119991; Moscow, 119991

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