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The Properties of Water-in-Oil Emulsions of Aqueous Solutions of Precursors for Nanosized Catalysts

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Abstract

The preparation of water-in-oil (w/o) emulsions on the basis of aqueous solutions of precursors for catalysts of hydrocarbon hydroconversion is a key stage of the production of nanosized dispersions of catalyst particles. The paper presents the results of a study of the regularities for the formation of w/o emulsions of aqueous solutions of the following precursors for hydroconversion catalysts: (NH4)6Mo7O24, (NH4)2WO4, Fe(NO3)3, and Ni(NO3)2. The effects of the aqueous phase composition and the presence of nonionic surfactants on the properties of the w/o emulsions have been determined. It has been shown that native surface-active components of oil products are highly efficient stabilizers of emulsions containing precursors for hydroconversion catalysts.

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ACKNOWLEDGMENTS

This work was performed within the State Program of Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences.

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Authors and Affiliations

  1. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Science, 119991, Moscow, Russia

    Kh. M. Kadiev, M. Kh. Kadieva, L. A. Zekel’, E. S. Erman & S. N. Khadzhiev

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  1. Kh. M. Kadiev
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  2. M. Kh. Kadieva
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  3. L. A. Zekel’
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  4. E. S. Erman
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  5. S. N. Khadzhiev
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Correspondence to M. Kh. Kadieva.

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Translated by E. Khozina

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Kadiev, K.M., Kadieva, M.K., Zekel’, L.A. et al. The Properties of Water-in-Oil Emulsions of Aqueous Solutions of Precursors for Nanosized Catalysts. Colloid J 81, 90–97 (2019). https://doi.org/10.1134/S1061933X19020042

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  • DOI: https://doi.org/10.1134/S1061933X19020042

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