Weerachawanasak, Patcharaporn

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Weerachawanasak, Patcharaporn
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Email
patcharaporn.we@kmitl.ac.th

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    Item type:Publication,
    Flame spray-synthesized Pt-Co/TiO2 catalysts for the selective hydrogenation of furfural to furfuryl alcohol
    (2021-01-15)
    Tolek, Weerachon
    ;
    Khruechao, Kitima
    ;
    Pongthawornsakun, Boontida
    ;
    Mekasuwandumrong, Okorn
    ;
    Cadete Santos Aires, Francisco José
    Flame spray-synthesized Pt/TiO<inf>2</inf> and PtCo/TiO<inf>2</inf> catalysts with 0.7 wt% Pt and 0–0.4 wt% Co were studied in the hydrogenation of furfural to furfuryl alcohol (FA) at 50 °C and 2 MPa H<inf>2</inf>. Particle formation under high temperature flame facilitated high Pt dispersion and formation of Pt-TiO<inf>x</inf> interface sites, which were beneficial for furfural conversion to FA. Modifying with Co accelerated rutile phase TiO<inf>2</inf> formation, which strongly diminished hydrogenation activity on the (FSP)-PtCo/TiO<inf>2</inf>. On the other hand, (I)-PtCo/TiO<inf>2</inf> prepared by conventional impregnation, anatase phase TiO<inf>2</inf> was preserved (> 85%) and both furfural conversion and FA selectivity increased upon increasing Co loading.