Selective production of furfuryl alcohol via gas phase hydrogenation of furfural over Au/Al2O3

被引：50
|
作者：
Li, Maoshuai [1 ]
Hao, Yufen [1 ]
Cardenas-Lizana, Fernando [1 ]
Keane, Mark A. [1 ]
机构：
[1] Heriot Watt Univ, Sch Engn & Phys Sci, Chem Engn, Edinburgh EH14 4AS, Midlothian, Scotland
来源：
CATALYSIS COMMUNICATIONS | 2015年 / 69卷
关键词：
Gas phase selective hydrogenation; Furfural; Furfuryl alcohol; Au/Al2O3; CATALYSTS; COPPER; SUPPORT; NANOPARTICLES; CARBON;
D O I：
10.1016/j.catcom.2015.06.007
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：
We report exclusive continuous gas phase hydrogenation of furfural to furfutyl alcohol over Au/Al2O3 (Delta E-a = 45 kJ mol(-1)). Characterisation measurements demonstrate the formation of Au delta- (from XPS analysis) nanopartides (1-8 nm, mean = 43 nm) with H-2 chemisorption capacity of 318 mu mol g(Au)(-1) (at 413 K). Chemical kinetic control was established by experimental variation of contact time, catalyst/furfural feed ratio and temperature. At T >= 473 K, hydrogenolysis to 2-methylfuran predominated. Selective TOP (298 h(-1) at 433 K) over Au/Al2O3 exceeded values reported for benchmark Cu catalysts at higher temperature (453-498 K). (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：119 / 122
页数：4
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