Simultaneous Oxidative Conversion and CO2 Reforming of Methane to Syngas over Modified Ni/Al2O3 Catalysts
Liu, Yuanfeng; Hou, Zhenshan; Eli, Wumanjiang; He, Zhenhong
2013
发表期刊JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN
ISSN0253-5106
卷号35期号:4页码:1130-1137
摘要A series of Ni/Al2O3 and modified Ni-M/Al2O3 (M= La, Na, K, Ca and Ba) catalysts have been prepared and characterized by XRD, BET, XPS, TGA, TEM and SEM. The performance of these catalysts for simultaneous oxidative conversion and CO2 reforming of methane to syngas was evaluated using a fixed-bed reactor. The results indicated that the catalytic activity of Ni/Al2O3 increased with Ni loading, and reached maximum at 12% Ni loading. The La-modified Ni/Al2O3 exhibited an excellent catalytic activity and stability within 20 h as compared with unmodified and Na-modified ones. It was found that the addition of La decreased the particle size of nickel, thus increased the Ni dispersion accordingly as indicated by the characterization data. The catalytic activity of Na-modified Ni/Al2O3 decreased obviously only after 6 h of reaction due to aggregation of metallic Ni particles. Hence, it was suggested that the sintering of Ni particles dominated the catalyst deactivation during the catalytic reaction process.
关键词Methane Co2 Reforming Syngas Modified Ni/al2o3
收录类别SCI
WOS记录号WOS:000326633800012
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文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/3875
专题新疆维吾尔自治区精细化工工程技术研究中心
作者单位Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;Univ Chinese Acad Sci, Beijing 100049, Peoples R China;E China Univ Sci & Technol, Res Inst Ind Catalysis, Key Lab Adv Mat, Shanghai 200237, Peoples R China
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Liu, Yuanfeng,Hou, Zhenshan,Eli, Wumanjiang,et al. Simultaneous Oxidative Conversion and CO2 Reforming of Methane to Syngas over Modified Ni/Al2O3 Catalysts[J]. JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN,2013,35(4):1130-1137.
APA Liu, Yuanfeng,Hou, Zhenshan,Eli, Wumanjiang,&He, Zhenhong.(2013).Simultaneous Oxidative Conversion and CO2 Reforming of Methane to Syngas over Modified Ni/Al2O3 Catalysts.JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN,35(4),1130-1137.
MLA Liu, Yuanfeng,et al."Simultaneous Oxidative Conversion and CO2 Reforming of Methane to Syngas over Modified Ni/Al2O3 Catalysts".JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN 35.4(2013):1130-1137.
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