Highly dispersed molybdenum carbide nanoparticles supported on activated carbon as an efficient catalyst for the hydrodeoxygenation of vanillin

被引：61
|
作者：
He, Lili [1 ]
Qin, Yu [1 ]
Lou, Hui [1 ]
Chen, Ping [1 ]
机构：
[1] Zhejiang Univ, Dept Chem, Hangzhou 310028, Zhejiang, Peoples R China
来源：
RSC ADVANCES | 2015年 / 5卷 / 54期
关键词：
STEP HYDROGENATION-ESTERIFICATION; AQUEOUS-PHASE HYDRODEOXYGENATION; BIO-OIL; TUNGSTEN CARBIDES; MODEL REACTION; HYDROTREATMENT; DIESEL; ACID; CONVERSION; HZSM-5;
D O I：
10.1039/c5ra00866b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Characterized by XRD and TEM, highly dispersed molybdenum carbide (Mo2C) nanoparticles with a diameter of 1-4 nm were effectively synthesized on activated carbon at 700 degrees C. The Mo2C-based catalyst exhibited high activity and stability for the hydrodeoxygenation (HDO) of vanillin under mild conditions (100 degrees C, 1.0 MPa of H-2, 3 h) in aqueous solution. According to the distribution of products with time, a HDO mechanism involving vanillyl alcohol as an intermediate product was proposed. Moreover, after being recycled several times, the loss of catalytic activity was negligible, which demonstrated that the Mo2C-based catalyst had the property of resistance to deactivation.
引用
收藏
页码：43141 / 43147
页数：7
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