Effect of Ni loadings on the activity and coke formation of MgO-modified Ni/Al2O3 nanocatalyst in dry reforming of methane

被引：120
|
作者：
Alipour, Zahra [1 ]
Rezaei, Mehran [1 ,2 ]
Meshkani, Fereshteh [1 ]
机构：
[1] Univ Kashan, Fac Engn, Dept Chem Engn, Catalyst & Adv Mat Res Lab, Kashan 8731751167, Iran
[2] Univ Kashan, Inst Nanosci & Nanotechnol, Kashan 8731751167, Iran
来源：
JOURNAL OF ENERGY CHEMISTRY | 2014年 / 23卷 / 05期
关键词：
nickel catalyst; MgO modifier; syngas; dry reforming; coke formation; CATALYTIC-ACTIVITY; CO2; PROMOTERS; SYNGAS; OXIDE;
D O I：
10.1016/S2095-4956(14)60194-7
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
MgO-modified Ni/Al2O3 catalysts with different Ni loadings were prepared and employed in dry reforming of methane (DRM). The effect of Ni loadings on the activity and coke formation of Ni/MgO-Al2O3 catalysts were investigated. The synthesized catalysts were characterized by XRD, N-2 adsorption-desorption, SEM, TPO and TPR techniques. The obtained results showed that increasing nickel loading decreased the BET surface area and increased the catalytic activity and amount of deposited carbon. In addition, the effect of gas hourly space velocity (GHSV) and feed ratio were studied.
引用
收藏
页码：633 / 638
页数：6
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