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Catalysts 2017, 7(8), 226; doi:10.3390/catal7080226

Renewable Hydrogen from Ethanol Reforming over CeO2-SiO2 Based Catalysts

Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II 132, 83040 Fisciano (SA), Italy
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Received: 14 June 2017 / Revised: 19 July 2017 / Accepted: 26 July 2017 / Published: 27 July 2017
(This article belongs to the Special Issue Catalysis in Membrane Reactors)
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Abstract

In this research, a bimetallic Pt-Ni/CeO2-SiO2 catalyst, synthetized via wet impregnation, was successfully employed for the oxidative steam reforming of ethanol between 300 and 600 °C. The reaction performance of the Pt-Ni catalyst was investigated and compared with the Ni/CeO2-SiO2, Pt/CeO2-SiO2 as well as CeO2-SiO2 sample. The bimetallic catalyst displayed the best results in terms of hydrogen yield and by-products selectivity, thus highlighting the crucial role of active species (Pt and Ni) in promoting ethanol conversion and reaching the products distribution predicted by thermodynamics. The most promising sample, tested at 500 °C for more than 120 h, assured total conversion and no apparent deactivation, demonstrating the stability of the selected formulation. By changing contact time, the dependence of carbon formation rate on space velocity was also investigated. View Full-Text
Keywords: hydrogen; ethanol oxidative steam reforming; ceria; coke hydrogen; ethanol oxidative steam reforming; ceria; coke
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Palma, V.; Ruocco, C.; Meloni, E.; Ricca, A. Renewable Hydrogen from Ethanol Reforming over CeO2-SiO2 Based Catalysts. Catalysts 2017, 7, 226.

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