| Effect of La_2O_3on Methanation of CO and CO_2over Ni-Mo/γ-Al_2O_3Catalyst |
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| 引用本文： | 王敏炜,罗来涛,李凤仪,王继军. Effect of La_2O_3on Methanation of CO and CO_2over Ni-Mo/γ-Al_2O_3Catalyst[J]. 中国稀土学报(英文版), 2000, 18(1) |
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| 作者姓名： | 王敏炜 罗来涛 李凤仪 王继军 |
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| 作者单位： | Department of Chemical Engineering，Nanchang University，Nanchang，330029，China; Institute of Applied Chemistry，Nanchang University，Nanchang 330047，China |
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| 摘 要： | In the early 1980s, it was reported thatrare earth oxide can improve the properties ofnickel catalysts['J. In this paper, the effect ofLaZO3 on activity of methanation of CO andCOb over Ni-Mo/Y-A12O3 was studied. The relationship between catalytic activity, surfacebehaviour and the role of LaZO3 in Mi-Mo-La/Y-Allot catalyst were investigated by means oftransmission electron microscope (TEM ), Xray photoelectron spectroscopy (XPS ), andchemisorption of CO.1 Experimental1. I Prepara…
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Effect of La2O3 on Methanation of CO and CO2 over Ni-Mo/γ-Al2O3 Catalyst |
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| WANG Min-wei,LUO Lai-tao,LI Feng-yi,WANG Ji-jun. Effect of La2O3 on Methanation of CO and CO2 over Ni-Mo/γ-Al2O3 Catalyst[J]. Journal of Rare Earths, 2000, 18(1) |
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| Authors: | WANG Min-wei LUO Lai-tao LI Feng-yi WANG Ji-jun |
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| Abstract: | A series of Ni-Mo/-A12O3 methanation catalysts containing La2O3 were prepared by impregnation. The activities of catalysts for CO and CO2 methanation were investigated. The surface properties of the catalysts were studied by TEM, XPS and chemisorption of CO. The experimental results show that the addition of La2O3 increases the activities for the methanation of CO and CO2, the dispersity of nickel on catalysts, the active nickel surface area and the concentration of nickel atoms on the surface of Ni-Mo/-Al2O3 catalysts. At the same time, it also decreases the binding energy of Ni2p,. in catalysts. |
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| Keywords: | rare earths Ni-Mo-La catalyst carbon monoxide carbon dioxide methanation |
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