Effect of Calcination Temperature on Properties of Eggshell Ni/MgO-Al2O3 Catalyst for Partial Oxidation of Methane to Syngas

被引：6
|
作者：
Qiu, Yejun [1 ,2 ]
Chen, Jixiang [1 ]
Zhang, Jiyan [1 ]
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, Dept Catalysis Sci & Engn, Tianjin 300072, Peoples R China
[2] Shenzhen Grad Sch, Harbin Inst Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
来源：
CATALYSIS LETTERS | 2009年 / 127卷 / 3-4期
关键词：
Nickel catalyst; Eggshell catalyst; Partial oxidation of methane; Syngas; Calcination temperature; SUPPORTED NI CATALYSTS; SYNTHESIS GAS; SURFACE-AREA; SELECTIVE OXIDATION; NI/AL2O3; CATALYST; THERMAL-STABILITY; GTL PROCESS; MGO; ADDITIVES; HYDROGEN;
D O I：
10.1007/s10562-008-9680-5
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：
The effect of calcination temperature on the properties of eggshell Ni/MgO-Al2O3 catalysts was studied. Catalyst deactivation was also investigated. It is found that higher calcination temperature contributes to lower surface area, wider pore, and larger Ni crystallites. Small Ni crystallites and large pores favor the catalyst performance. Catalyst deactivation is due to the formation of NiO-MgO solid solution and/or NiAl2O4, phase transformation, and sintering.
引用
收藏
页码：312 / 318
页数：7
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