Methanation of carbon dioxide on Ni/ZrO2-Al2O3 catalysts:Effects of ZrO2 promoter and preparation method of novel ZrO2-Al2O3 carrier |
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| Authors: | Mengdie Cai Jie Wen Wei Chu Xueqing Cheng Zejun Li |
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| Institution: | Mengdie Cai1,Jie Wen1,Wei Chu1,Xueqing Cheng2,Zejun Li2 1. Department of Chemical Engineering,Sichuan University,Chengdu 610065,Sichuan,China,2. Southwest Research & Design Institute of Chemical Industry,Chengdu 610000 |
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| Abstract: | The novel nickel-based catalysts with a nickel content of 12 wt% were prepared with the zirconia-alumina composite as the supports. The new carriers, ZrO2 improved alumina, were synthesized by three methods, i.e., impregnation-precipitation, co-precipitation, and impregnation method. The catalytic properties of these catalysts were investigated in the methanation of carbon dioxide, and the samples were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscope (XPS), temperature-programmed r... |
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| Keywords: | zirconia-alumina composite nickel catalyst CO2 methanation preparation method |
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