Effect of rare earths on selective hydrogenation of p-chloronitrobenzene over PtMOx/CNTs catalysts |
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| Authors: | Xiao Xiang Han Jian Rong Lia Ren Xian Zhoub a |
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| Institution: | a Department of Applied Chemistry, College of Food Science & Biotechnology Engineering Zhejiang Gongshang University, Hangzhou 310035, China;b Institute of Catalysis, Zhejiang University, Hangzhou 310028, China |
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| Abstract: | The effect of rare earths (Sin, Pr, Ce, Nd and La) on the hydrogenation properties of p-chloronitrobenzene (CNB) over Pt/CNTs catalyst was studied in ethanol at 303 K and normal pressure. The results exhibited that the hydrogenation of p-CNB could be carried out over PtMOx/CNTs catalysts. Both catalytic activities and yields ofp-chloroaniline (CAN) were all improved. PtCeOx/ CNTs catalyst exhibited the best catalytic activity (TOF was 0.47 s-1) and the highest yield of p-CAN (97.5 mol%). PtCeOx/CNTs (1.0 wt%) catalyst exhibited good stability on the hydrogenation of p-CNB. |
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| Keywords: | Rare earths Chloronitrobenzene Chloroaniline Carbon nanotubes (CNTs) Hydrogenation |
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