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Ethanol to 1,3-Butadiene Conversion by using ZrZn-Containing MgO/SiO 2 Systems Prepared by Co-precipitation and Effect of Catalyst Acidity Modification

Da Ros, S; Jones, MD; Mattia, D; Pinto, JC; Schwaab, M; Noronha, FB; Kondrat, SA; ... Taylor, SH; + view all (2016) Ethanol to 1,3-Butadiene Conversion by using ZrZn-Containing MgO/SiO 2 Systems Prepared by Co-precipitation and Effect of Catalyst Acidity Modification. ChemCatChem , 8 (14) pp. 2376-2386. 10.1002/cctc.201600331. Green open access

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Abstract

The conversion of ethanol to 1,3-butadiene(1,3-BD)has beeninvestigated over ZrO2-and ZnO-containing magnesia silicaoxides prepared by aco-precipitation method at different Mg-to-Si molar ratios. The effect of reactiontemperature and etha-nol flow rate was investigated. The catalyst acidity was modi-fied throughthe addition of alkali metals (Na, Kand Li)tothefinal materials.Catalysts were characterised by nitrogen physi-sorptionanalysis, X-ray diffraction, scanning electron microsco-py with energy dispersive X-ray,temperature-programmed de-sorptionofammonia, infraredspectroscopy and29Si/(7Li)NMRspectroscopy.The catalytic results showed that the controlledreduction of catalyst acidity allows ethanol dehydration to besuppressed, whilst increasing 1,3-BD selectivity.The bestcata-lytic performance achieved72mol%for the combined 1,3-BDand acetaldehyde selectivity.

Type: Article
Title: Ethanol to 1,3-Butadiene Conversion by using ZrZn-Containing MgO/SiO 2 Systems Prepared by Co-precipitation and Effect of Catalyst Acidity Modification
Open access status: An open access version is available from UCL Discovery
DOI: 10.1002/cctc.201600331
Publisher version: http://doi.org/10.1002/cctc.201600331
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: 1,3-butadiene; ethanol; green chemistry; heterogeneous catalysis; silica magnesia catalyst
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10038221
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