Ethanol conversion at low temperature over CeO 2 —Supported Ni-based catalysts. Effect of Pt addition to Ni catalyst

Tamara Siqueira Moraes,Raimundo Crisostomo Rabelo Neto,Mauro C Ribeiro,Lisiane V Mattos,Marios Kourtelesis,Spyros Ladas,Xenophon E Verykios,Fabio B Noronha

Applied Catalysis B: Environmental（2016）

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摘要

•Pt promoted the decomposition reaction to H2, CH4, CO and carbonate species.•Pt surface enrichment demonstrated by in situ XPS determined product distribution.•The presence of Pt reduced catalyst deactivation.•In situ XAS studies revealed the formation of nickel carbide for over Ni/CeO2.•Pt decreased the formation of nickel carbide and promoted catalyst stability.

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关键词

Hydrogen production,Steam reforming of ethanol at low temperature,Bimetallic catalyst,Deactivation mechanism

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