Innovative sol-gel routes to mesoporous bifunctional catalysts for the upgrading of bioethanol to butadiene

Dochain, Denis D.;Debecker, Damien
(2021) 2021 AIChE Annual Meeting — Location: Boston, USA (7.November.2021)

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Here, we present the first example of the preparation of bifunctional Ta-Ag-SiO2 and Ta-Cu-SiO2 mesoporous catalysts synthesized by AASG. After calcination, the catalysts display advantageous texture (SSA≈450 m2 g–1; Vp≈0.5 mL g–1; Dp≈4.5 nm) with good incorporation and dispersion of Ta atoms compared to impregnated counterparts as shown by XPS, IR and STEM-EDS. The best catalyst tested in the ethanol-to-butadiene reaction (2 wt.% Ta and 5 wt.% Cu) reached a 20 % butadiene yield at 325 °C.
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Dochain, D. D., & Debecker, D. (2021). Innovative sol-gel routes to mesoporous bifunctional catalysts for the upgrading of bioethanol to butadiene. 2021 AIChE Annual Meeting, Boston, USA. https://hdl.handle.net/2078.5/27048