Flame spray-synthesized Pt-Co/TiO2 catalysts for the selective hydrogenation of furfural to furfuryl alcohol

被引：23
|
作者：
Tolek, Weerachon [1 ]
Khruechao, Kitima [1 ]
Pongthawornsakun, Boontida [1 ]
Mekasuwandumrong, Okorn [2 ]
Aires, Francisco Jose Cadete Santos [3 ,4 ]
Weerachawanasak, Patcharaporn [5 ]
Panpranot, Joongjai [1 ,6 ]
机构：
[1] Chulalongkorn Univ, Fac Engn, Ctr Excellence Catalysis & Catalyt React Engn, Dept Chem Engn, Bangkok 10330, Thailand
[2] Silpakorn Univ, Fac Engn & Ind Technol, Dept Chem Engn, Nakhon Pathom 73000, Thailand
[3] Univ Lyon, Univ Claude Bernard Lyon 1, CNRS, UMR 5256,IRCELYON, 2 Ave Albert Einstein, F-69626 Villeurbanne, France
[4] Natl Res Tomsk State Univ, Lab Catalyt Res, 36 Lenin Ave, Tomsk 634050, Russia
[5] King Mongkuts Inst Technol Ladkrabang, Fac Sci, Dept Chem, Bangkok 10520, Thailand
[6] Chulalongkorn Univ, Fac Engn, Biocircular Green Econ Technol & Engn Ctr, Dept Chem Engn,BCGeTEC, Bangkok 10330, Thailand
来源：
CATALYSIS COMMUNICATIONS | 2021年 / 149卷
关键词：
Selective hydrogenation; Furfural; Furfuryl alcohol; Pt/TiO2; Flame spray pyrolysis; Co addition; LIQUID-PHASE HYDROGENATION; ANATASE; ADSORPTION; CO; TRANSFORMATION; NANOPARTICLES; SPECTROSCOPY; PERFORMANCE; CONVERSION; PYROLYSIS;
D O I：
10.1016/j.catcom.2020.106246
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Flame spray-synthesized Pt/TiO2 and PtCo/TiO2 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 degrees C and 2 MPa H-2. Particle formation under high temperature flame facilitated high Pt dispersion and formation of Pt-TiOx interface sites, which were beneficial for furfural conversion to FA. Modifying with Co accelerated rutile phase TiO2 formation, which strongly diminished hydrogenation activity on the (FSP)-PtCo/TiO2. On the other hand, (I)-PtCo/TiO2 prepared by conventional impregnation, anatase phase TiO2 was preserved (> 85%) and both furfural conversion and FA selectivity increased upon increasing Co loading.
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页数：6
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