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Selective hydrogenation of m-chloronitrobenzene to m-chloroaniline over polyvinylpyrrolidone-stabilized Pt and Pt/Sn catalysts

  • Chemical Kinetics and Catalysis
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Abstract

A Pt-polyvinylpyrrolidone (PVP) catalyst was synthesized via chemical reduction of platinum ions with hydrazine hydrate in a PVP/n-butanol/H2PtCl6 aqueous solution. Its catalytic activity was evaluated by the liquid-phase hydrogenation of m-chloronitrobenzene (m-CNB) to m-chloroaniline (m-CAN) under mild conditions (T = 303 K, p = 0.1 MPa). The as prepared catalyst exhibited higher activity and selectivity than prepared via conventional ethanol reduction with the same platinum load. The catalytic performance of PVP-Pt catalyst was remarkably improved by addition of 0.2 wt % Sn4+. The modification mechanism may be related with the interaction of Sn4+ with nitro group of m-CNB and -NH2 in m-CAN.

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Authors and Affiliations

  1. Provincial Key Laboratory of Oil & Gas Chemical Technology, College of Chemistry & Chemical Engineering, Northeast Petroleum University, Daqing Heilongjing, 163318, China

    Feng Li, Rui Ma, Hua Song & Dezhi Yu

  2. Key Laboratory of Cancer Prevention and Treatment of Heilongjiang Province, Mudanjiang Medical University, Mudanjiang Heilongjing, 157011, China

    Hualin Song

Authors
  1. Feng Li
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  2. Rui Ma
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  3. Hualin Song
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  4. Hua Song
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  5. Dezhi Yu
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Correspondence to Feng Li.

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Li, F., Ma, R., Song, H. et al. Selective hydrogenation of m-chloronitrobenzene to m-chloroaniline over polyvinylpyrrolidone-stabilized Pt and Pt/Sn catalysts. Russ. J. Phys. Chem. 89, 766–770 (2015). https://doi.org/10.1134/S003602441505012X

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  • DOI: https://doi.org/10.1134/S003602441505012X

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