An active and coke-resistant dry reforming catalyst comprising nickel-tungsten alloy nanoparticles

被引：44
|
作者：
Zhang, Shaohua [1 ]
Shi, Chuan [1 ]
Chen, Bingbing [1 ]
Zhang, Yali [1 ]
Qiu, Jieshan [1 ]
机构：
[1] Dalian Univ Technol, Lab Plasma Phys Chem, Dalian, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2015年 / 69卷
基金：
中国国家自然科学基金;
关键词：
Methane; Carbon dioxide; Tungsten carbide; Nickel; CARBON-DIOXIDE; SYNTHESIS GAS; METHANE; DECOMPOSITION; MOLYBDENUM; DEPOSITION; CONVERSION;
D O I：
10.1016/j.catcom.2015.06.003
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：
Nickel catalysts catalyzing the DRM reaction have the problems of sintering and coking. Herein we proposed an idea of stabilizing nickel by Ni17W3 alloy, and alpha-WC formed during the DRM reaction participated in the CO2 activation, leading to a better coke resistance of Ni17W3/SiO2 catalyst. Due to better Ni dispersion and less coke deposition, Ni17W3/SiO2 catalyst exhibits an improved catalytic stability for the DRM reaction compared with the model Ni/SiO2 catalyst. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：123 / 128
页数：6
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