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题名: Simultaneous Oxidative Conversion and CO2 Reforming of Methane to Syngas over Modified Ni/Al2O3 Catalysts
作者: Liu, Yuanfeng; Hou, Zhenshan; Eli, Wumanjiang; He, Zhenhong
关键词: Methane ; CO2 ; Reforming ; Syngas ; Modified Ni/Al2O3
刊名: JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN
发表日期: 2013
卷: 35, 期:4, 页:1130-1137
收录类别: SCI
资助者: National Natural Science Foundation of China;Chinese Academy of Sciences
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.
内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3875
Appears in Collections:新疆维吾尔自治区精细化工工程技术研究中心_期刊论文

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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

Recommended Citation:
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.
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