One-step Synthesis of N-Doped Mesoporous Carbon as Highly Efficient Support of Pd Catalyst for Hydrodechlorination of 2,4-Dichlorophenol

doi:10.1007/s40242-018-8052-y

Chemical Research in Chinese Universities ›› 2018, Vol. 34 ›› Issue (6): 1004-1008.doi: 10.1007/s40242-018-8052-y

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One-step Synthesis of N-Doped Mesoporous Carbon as Highly Efficient Support of Pd Catalyst for Hydrodechlorination of 2,4-Dichlorophenol

TANG Haodong, XIANG Meng, XU Bin, LI Ying, HAN Wenfeng and LIU Zongjian

Institute of Industrial Catalysis, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 300014, P. R. China

Received:2018-02-04 Online:2018-12-01 Published:2018-06-19
Contact: TANG Haodong, LIU Zongjian E-mail:tanghd@zjut.edu.cn;zjliu@zjut.edu.cn
Supported by:
Supported by the National Natural Science Foundation of China(No.21776257).

Abstract

Abstract: Although the hard template method is often employed to prepare N-doped mesoporous carbon(N-MC), the removal of the silica template commonly involves theuse of highly toxic HF or repeated treatment with NaOH solution. Herein, we reported a polyvinylidene fluoride-assisted one-step method for synthesis of N-MC, namely the silica-free N-MC can be prepared via temperature-programmed thermal treatment of a slurry obtained by dispersing nano-silica into a solution containing sucrose, urea, oxalic acid, polyvinylidene fluoride and dimethylacetamide. The resulting N-MC, which owns 3.47%(mass fraction) nitrogen and a surface area of 929 m²/g, is a highly suitable support of Pd catalyst used in hydrodechlorination of 2,4-dichlorophenol, with its performance being much better than those of MC and activated carbon. The excellent catalytic hydrodechlorination activity of the Pd/N-MC catalyst can be attributed to its strong metal-support interaction, which results in a good Pd dispersion and high resistance to the growth of nanosized Pd under reaction conditions.

Key words: 2,4-Dichlorophenol, Hydrodechlorination, N-Doped mesoporous carbon, Polyvinylidene fluoride, Pd catalyst

TANG Haodong, XIANG Meng, XU Bin, LI Ying, HAN Wenfeng and LIU Zongjian. One-step Synthesis of N-Doped Mesoporous Carbon as Highly Efficient Support of Pd Catalyst for Hydrodechlorination of 2,4-Dichlorophenol[J]. Chemical Research in Chinese Universities, 2018, 34(6): 1004-1008.

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One-step Synthesis of N-Doped Mesoporous Carbon as Highly Efficient Support of Pd Catalyst for Hydrodechlorination of 2,4-Dichlorophenol

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