Citation: Xiao Xiang Han, Jian Rong Li, Ren Xian Zhou. Effect of rare earths on selective hydrogenation of p-chloronitrobenzene over PtMOx/CNTs catalysts[J]. Chinese Chemical Letters, ;2009, 20(1): 96-98. doi: 10.1016/j.cclet.2008.09.036 shu

Effect of rare earths on selective hydrogenation of p-chloronitrobenzene over PtMOx/CNTs catalysts

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

Received Date: 6 May 2008

The effect of rare earths (Sm, 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 of p-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.
- Rare earths,
- Chloronitrobenzene,
- Chloroaniline,
- Carbon nanotubes(CNTs),
- Hydrogenation
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