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Catalysis of the hydro-dechlorination of 4-chlorophenol and the reduction of 4-nitrophenol by Pd/Fe3O4@C

Abstract

Palladium nanoparticles (NPs) have been applied to hydrodechlorination of chlorophenols in contaminated water by using H2 as a clean and sustainable reductant. In this study, a high-efficiency Pd-based catalyst (Pd/Fe3O4@C) has been facilely synthesized and applied to the reduction of 4-nitrophenol and the hydrodechlorination of 4-chlorophenol in aqueous solution. Compared with most Pd based catalysts, Pd/Fe3O4@C nanocatalyst can exhibit higher catalytic performance. The well-dispersed Pd NPs are modified on sphere surface brought through strong chemical bond which can efficiently reduce the shedding of NPs. The superparamagnetic character of Fe3O4 core enables Pd/Fe3O4@C nanocatalyst to be separated and recovered from the reaction mixture much more easily. Thus, the nanocatalysts can be used repeatedly without a significant weight loss. The high catalytic activity of Pd/Fe3O4@C nanocatalyst indicates that the noble metal nanoparticles supported on magnetic carbon sphere materials could act as a promising catalyst and exhibits potential applications in numerous Pd based catalytic reactions.

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Publication details

The article was received on 23 Dec 2016, accepted on 10 Apr 2017 and first published on 19 Apr 2017


Article type: Paper
DOI: 10.1039/C6NJ04045D
Citation: New J. Chem., 2017, Accepted Manuscript
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    Catalysis of the hydro-dechlorination of 4-chlorophenol and the reduction of 4-nitrophenol by Pd/Fe3O4@C

    F. F. li, Y. Liu, T. Ma, D. Xu, X. Li and G. Gong, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C6NJ04045D

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