Selective catalytic reduction of nitric oxide with propane over Ni-Al2O3: effect of Ni loading 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Selective catalytic reduction of nitric oxide with propane over Ni-Al₂O₃: effect of Ni loading

Authors:	Shujuan Zhang Landong Li Bin Xue Jixin Chen Naijia Guan and Fuxiang Zhang

Institution:	(1) Institute of New Catalytic Materials Science, College of Chemistry, Nankai University, Weijin Road 94, Tianjin, 300071, P.R. China;(2) Institute of New Catalytic Materials Science, College of Chemistry, Nankai University, Weijin Road 94, Tianjin, 300071, P.R. China;(3) Institute of New Catalytic Materials Science, College of Chemistry, Nankai University, Weijin Road 94, Tianjin, 300071, P.R. China;(4) Institute of New Catalytic Materials Science, College of Chemistry, Nankai University, Weijin Road 94, Tianjin, 300071, P.R. China;(5) Institute of New Catalytic Materials Science, College of Chemistry, Nankai University, Weijin Road 94, Tianjin, 300071, P.R. China;(6) Institute of New Catalytic Materials Science, College of Chemistry, Nankai University, Weijin Road 94, Tianjin, 300071, P.R. China

Abstract:	Summary The SCR of NO by propane in excess oxygen was studied on a Ni-Al₂O₃catalyst prepared by a coprecipitation method. The effect of Ni loading on the catalytic performance was studied and the optimal Ni loading was found to be 4 % (wt.%). Based on characterization results, highly dispersed nickel species in surface aluminate phase was regarded as the active site for NO reduction by C₃H₈ and NiO phase was the active site for C₃H₈ oxidation by oxygen.

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