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An acrolein production route from ethanol and methanol mixtures over FeMo-based catalysts

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Abstract

Acrolein is the simplest unsaturated aldehyde, which – due to its high reactivity – has found application as an intermediate in the chemical industry. Nowadays, this chemical is commercially obtained by propylene oxidation, which is based on fossil resources. Herein, an alternative production method starting from methanol and ethanol mixtures is presented. The reaction was performed over FeMo-based catalysts synthesized at different Mo/Fe ratios (i.e., 1.5, 2.0 and 2.5) and calcined at different temperatures (i.e., 350, 400 and 450 °C). The operational conditions were found by a Design of Experiments method, which showed that the most important factor influencing the acrolein yield was the reaction temperature. During these studies the best catalytic performance was observed for FeMo2.5 calcined at 400 °C (i.e., 39%). Catalysts were characterised by different methods (e.g., TGA-DSC, XRD, etc.). Advanced quasi in situ XPS studies have shown that the molybdenum present on the catalyst surface performs the redox cycle during the reaction.

Graphical abstract: An acrolein production route from ethanol and methanol mixtures over FeMo-based catalysts

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Publication details

The article was received on 30 Jan 2017, accepted on 25 Apr 2017 and first published on 25 Apr 2017


Article type: Paper
DOI: 10.1039/C7GC00341B
Citation: Green Chem., 2017, Advance Article
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    An acrolein production route from ethanol and methanol mixtures over FeMo-based catalysts

    A. Borowiec, J. F. Devaux, J. L. Dubois, L. Jouenne, M. Bigan, P. Simon, M. Trentesaux, J. Faye, M. Capron and F. Dumeignil, Green Chem., 2017, Advance Article , DOI: 10.1039/C7GC00341B

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