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Pd supported on N-doped-ordered mesoporous carbons’ catalysts for selective hydrodechlorination of 4-chlorophenol

Rongrong Li, Shiting Wang, Yuan Hu, Hong Chen, Jingjing Chen, Chu Chu, and Jianli Zheng

TaiZhou University, Taizhou, People’s Republic of China

 

E-mail: lrr@tzc.edu.cn

Abstract: Pd catalysts supported on N-doped-ordered mesoporous carbons (NOMC) have been prepared and tested for selective hydrogenation of 4-chlorophenol (4-CP) with H2. The difference from the previous methods is that the NOMC was synthesized using urea as nitrogen source via one-pot route. The rate constant of Pd/NOMC for hydrodechlorination of 4-CP was about 135.9 h−1 which were higher than Pd/OMC (65.6 h−1) and Pd/AC (20.8 h−1). It could be attributed to the synergetic effects of mesoporous structure, N-doped supports, and the stabilized small PdNPs. The conversion changed from 100 to 90.2% after the sixth reaction using Pd/NOMC which could be caused by the palladium leaching.

Keywords: Mesoporous carbon ; N-doped ; Pd ; 4-chlorophenol ; Hydrogenation 

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-018-0477-8

 

Chemical Papers 72 (10) 2425–2432 (2018)

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