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Nanometric bimetallic sulfides prepared via thermal decomposition of Ni and Fe heteropolymolybdate emulsions

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NiMo and FeMo nanometric particles were prepared by thermal decomposition of water in oil emulsions, where the aqueous phase was a solution of iron or nickel heteropolymolybdates. Decomposition experiments were carried out at 573 K and 70 Bar of hydrogen, with carbon disulfide added to the emulsions. Solids were characterized by X ray diffraction, confocal microscopy and BET surface area. Thiophene hydrodesulfurization was performed in a continuous flow microreactor at 553 K and 1.0 Bar. Particles with diameters between 370 and 560 nm were obtained, and thiophene HDS was in the order NiMoS > MoS ≈ FeMoS > NiS > FeS. The feasibility of using thermal decomposition of emulsions to obtain nanometric bimetallic sulfides particles was shown.

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Authors and Affiliations

  1. Centro de Catálisis, Petróleo y Petroquímica, Escuela de Química, Facultad de Ciencias, Universidad Central de Venezuela, Apartado, 47102, Los Chaguaramos, Caracas, Venezuela

    Emir E. Escalona, Carmelo Bolívar & Carlos E. Scott

  2. Department of Chemical and Petroleum Engineering, University of Calgary, Calgary, Canada

    Pedro R. Pereira-Almao

  3. Escuela de Química, Facultad de Ciencias, Universidad Central de Venezuela, Caracas, Venezuela

    Jimmy Castillo

  4. Centro de Física, Instituto Venezolano de Investigaciones Científicas, Caracas, Venezuela

    Jeannette Hung

Authors
  1. Emir E. Escalona
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  2. Pedro R. Pereira-Almao
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  3. Jimmy Castillo
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  4. Jeannette Hung
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  5. Carmelo Bolívar
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  6. Carlos E. Scott
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Correspondence to Carlos E. Scott.

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Escalona, E.E., Pereira-Almao, P.R., Castillo, J. et al. Nanometric bimetallic sulfides prepared via thermal decomposition of Ni and Fe heteropolymolybdate emulsions. Catal Lett 112, 227–230 (2006). https://doi.org/10.1007/s10562-006-0207-7

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