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Rapid, efficient and selective reduction of aromatic nitro compounds with hydrazine hydrate in the presence of the plain and supported platinum nanoparticles as catalysts

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Abstract

The current study aimed at application of the plain and supported platinum nanoparticles as a heterogenous catalyst for the reduction of aromatic nitro compounds. Monodispersed platinum nanoparticles were synthesized by reduction of H2PtCl6 by ethanol in the presence of polyvinyl pyrrolidone as a stabilizer, and then were immobilized on four types of zeolites. The obtained catalyst granules were characterized by X-ray diffractometry and transmission electron microscopy. The study then focused on elaboration of the catalytic activity of the nano catalysts under different operational conditions. It was found that reaction is adequately rapid at ambient temperature, and by utilizing a sufficient amount of catalyst, can be completed in nearly 30 min. Among the utilized zeolitic supports, zeolite 4A had the highest performance, but the mechanism of its synergetic effect on the activity of platinum nano catalyst was not found and requires more investigation.

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Acknowledgments

The author is thankful from Nuclear Science and Technology Research Institute and Department of Energy Engineering of Sharif University of Technology for the financial support of this project.

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Authors and Affiliations

  1. Department of Energy Engineering, Sharif University of Technology, Azadi Ave., P.O. Box 113658639, Tehran, Iran

    Soofia Mehdizadeh & Mohammad Outokesh

  2. Nuclear Science and Technology Research Institute, End of North Karegar Ave., P.O. Box 1439951113, Tehran, Iran

    Seyed Javad Ahmadi & Sodeh Sadjadi

Authors
  1. Soofia Mehdizadeh
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  2. Seyed Javad Ahmadi
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  3. Sodeh Sadjadi
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  4. Mohammad Outokesh
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Correspondence to Sodeh Sadjadi.

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Mehdizadeh, S., Ahmadi, S.J., Sadjadi, S. et al. Rapid, efficient and selective reduction of aromatic nitro compounds with hydrazine hydrate in the presence of the plain and supported platinum nanoparticles as catalysts. J IRAN CHEM SOC 11, 1587–1592 (2014). https://doi.org/10.1007/s13738-014-0430-x

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  • DOI: https://doi.org/10.1007/s13738-014-0430-x

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