Effect of surface properties of TiO2 on the performance of Pt/TiO2 catalysts for furfural hydrogenation

被引：29
作者：
Byun, Mi Yeon [1 ,2 ]
Kim, Ye Eun [1 ,4 ]
Baek, Jae Ho [1 ]
Jae, Jungho [3 ]
Lee, Man Sig [1 ,5 ]
机构：
[1] Korea Inst Ind Technol KITECH, Ulsan Div, Ulsan 44413, South Korea
[2] Pusan Natl Univ, Dept Polymer Sci & Chem Engn, Busan 46241, South Korea
[3] Pusan Natl Univ, Sch Chem Engn, Busan 46241, South Korea
[4] Korea Univ, Dept Chem & Biol Engn, Seoul 02841, South Korea
[5] Univ Sci & Technol UST, Dept Green Proc & Syst Engn, Ulsan 44413, South Korea
来源：
RSC ADVANCES | 2021年 / 12卷 / 02期
关键词：
HIGHLY SELECTIVE REARRANGEMENT; COBALT CATALYSTS; CO OXIDATION; CONVERSION; PD; ALCOHOL; PHASE; METAL; NANOWIRES; CYCLOPENTANOL;
D O I：
10.1039/d1ra07220j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hydrogenation of biomass-derived furfural is an important process in biofuel production. Herein, different Pt-supported TiO2 morphologies: nanorod (NR), nanoparticle (NP), and hollow microsphere (HMS) were prepared by the impregnation-chemical reduction method. The furfural conversion increased with an increase of Pt dispersion. However, cyclopentanone selectivity was affected by TiO2 properties, the strong metal-support interaction (SMSI) effect, and the reaction conditions. The Pt/TiO2 NR catalyst exhibited the highest cyclopentanone selectivity of 50.4%. Based on the H-2-temperature programmed desorption (H-2-TPD) and X-ray photoelectron spectroscopy (XPS) results, the Pt/TiO2 NR catalyst showed a SMSI effect, which was introduced by the chemical reduction method. We suggest that electron charge transfer from Ti species to Pt in the Pt/TiO2 NR catalyst affects the cyclopentanone selectivity by controlling the adsorption strength between the reactant and the Pt surface, thus retarding the formation of byproducts.
引用
收藏
页码：860 / 868
页数：9
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