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Para-nitrophenol reduction on solvothermally prepared cobalt@silica core–shell catalysts

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Abstract

Cobalt supported solids on silica have been prepared as core–shell nanocomposites and via a classical impregnation of commercial and prepared silica. The solids have been characterized by AAS, XRD, N2 adsorption–desorption, UV–Vis spectroscopy and SEM–EDX techniques. The catalytic activity of the solids was probed in the p-nitrophenol reduction in presence of NaBH4. The core–shell solid presented small particle size, high specific surface area, good cobalt dispersion and small gap energy value. All these characteristics contribute to improving the catalytic performance of this solid compared to the solids prepared via silica impregnation and containing the same amount of cobalt.

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Authors and Affiliations

  1. Laboratoire des Sciences de Génie des Procédés Industriels (LSGPI), FGMGP, USTHB, BP 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria

    Dalila Meziane, Ghania Nezzal & Souad Benammar

  2. Laboratoire des Matériaux Catalytiques et Catalyse en Chimie Organique, Faculté de Chimie, USTHB, BP 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria

    Amel Benadda-Kordjani

  3. Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (C.R.A.P.C), BP 248 Alger RP, 16004, Algiers, Algeria

    Souad Benammar

  4. Laboratoire de Géophysique, FSTGAT, USTHB, BP 32, El Alia, Bab Ezzouar, 16111, Algiers, Algeria

    Amar Djadoun

Authors
  1. Dalila Meziane
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  2. Amel Benadda-Kordjani
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  3. Ghania Nezzal
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  4. Souad Benammar
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  5. Amar Djadoun
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Correspondence to Dalila Meziane.

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Meziane, D., Benadda-Kordjani, A., Nezzal, G. et al. Para-nitrophenol reduction on solvothermally prepared cobalt@silica core–shell catalysts. Reac Kinet Mech Cat 122, 1145–1158 (2017). https://doi.org/10.1007/s11144-017-1261-4

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  • DOI: https://doi.org/10.1007/s11144-017-1261-4

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