Simultaneous oxidative conversion and CO2 reforming of methane to syngas over Ni/vermiculite catalysts

被引：21
|
作者：
Liu, Yuanfeng [1 ,2 ]
He, Zhenhong [1 ,2 ]
Zhou, Liang [1 ,2 ]
Hou, Zhenshan [1 ,3 ]
Eli, Wumanjiang [1 ]
机构：
[1] Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] E China Univ Sci & Technol, Res Inst Ind Catalysis, Key Lab Adv Mat, Shanghai 200237, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2013年 / 42卷
基金：
中国国家自然科学基金;
关键词：
Methane; CO2; reforming; Syngas; Vermiculite; Catalyst; TRANSITION-METALS; VERMICULITE; MONTMORILLONITE; SUPPORT; STABILITY;
D O I：
10.1016/j.catcom.2013.07.034
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：
Modified-vermiculite supported Ni catalysts were prepared and characterized by XRD, BET, TGA, TPR and TEM. The catalytic activity of these catalysts for simultaneous oxidative conversion and CO2 reforming of methane to syngas was evaluated. The results indicated that vermiculite has a great potential as a support of Ni component due to its excellent thermal stability. Among these catalysts, the expanded-vermiculite supported Ni catalyst exhibited the highest catalytic activity and stability. It was found that Ni oxides supported on vermiculite was reduced more easily and also Ni-based vermiculite catalysts suppressed coke depositing in the reaction, in comparison with alumina-supported Ni catalyst. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：40 / 44
页数：5
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