Effects of TiO2 structure and Co addition as a second metal on Ru-based catalysts supported on TiO2 for selective hydrogenation of furfural to FA

被引：35
作者：
Tolek, Weerachon [1 ]
Nanthasanti, Natdanai [1 ]
Pongthawornsakun, Boontida [1 ]
Praserthdam, Piyasan [1 ]
Panpranot, Joongjai [1 ]
机构：
[1] Chulalongkorn Univ, Fac Engn, Ctr Excellence Catalysis & Catalyt React Engn, Dept Chem Engn, Bangkok 10330, Thailand
来源：
SCIENTIFIC REPORTS | 2021年 / 11卷 / 01期
关键词：
LIQUID-PHASE HYDROGENATION; HIGHLY EFFICIENT; DIMETHYL ADIPATE; CARBON SUPPORT; RUTHENIUM; SURFACE; OXIDATION; ACID; NANOPARTICLES; ALCOHOL;
D O I：
10.1038/s41598-021-89082-x
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The TiO2 supported Ru-based catalysts were prepared with 1.5 wt% Ru and 0-0.8 wt% Co on various TiO2 (anatase, rutile, P-25, and sol-gel TiO2) and studied in the liquid-phase selective hydrogenation of furfural to furfuryl alcohol (FA) under mild conditions (50 degrees C and 2 MPa H-2). The presence of high anatase crystallographic composition on TiO2 support was favorable for enhancing hydrogenation activity, while the strong interaction between Ru and TiO2 (Ru-TiOx sites) was required for promoting the selectivity to FA. The catalytic performances of bimetallic Ru-Co catalysts were improved with increasing Co loading due to the synergistic effect of Ru-Co alloying system together with the strong interaction between Ru and Co as revealed by XPS, H-2-TPR, and TEM-EDX results. The enhancement of reducibility of Co oxides in the bimetallic Ru-Co catalysts led to higher hydrogenation activity with the Ru-0.6Co/TiO2 catalyst exhibited the best performances in FA selective hydrogenation of furfural to FA under the reaction conditions used.
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页数：14
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