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Effect of Co on HDS Activity of Alumina-supported Heteropolymolybdate

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Abstract

The hydrotreating CoMo/γ-Al2O3 catalysts (12 wt% Mo and 0.7–5.0 wt% Co) have been prepared by impregnation. The CoMo catalysts obtained from Anderson heteropolyoxomolybdate (NH4)3[Co(OH)6Mo6O18]·7H2O has been investigated by nitrogen physisorption, XRD, UV–Vis DRS, FT-IR, and TPR. The results are discussed in relation to the catalytic activity for the thiophene and 1-benzothiophene reactions. The influence of Co content on both the phase composition and catalytic activity in the HDS reactions has been shown. The effect of Co on the activity in the HDS reactions depends on its previously loaded amount. It is the most pronounced with the catalyst having Co/Mo ratio equal to 0.27.

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Acknowledgments

L.K. highly acknowledges financial support of Czech Science Foundation (grant No. 104/09/0751). The Authors highly acknowledge the Bulgarian and Czech Academies for Support of Scientific Cooperation.

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Authors and Affiliations

  1. Institute of Catalysis, Bulgarian Academy of Sciences, G. Bonchev str., bldg. 11, 1113, Sofia, Bulgaria

    R. Palcheva & A. Spojakina

  2. Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, 165 02, Prague 6, Czech Republic

    K. Jiratova & L. Kaluza

Authors
  1. R. Palcheva
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  2. A. Spojakina
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  3. K. Jiratova
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  4. L. Kaluza
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Correspondence to R. Palcheva.

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Palcheva, R., Spojakina, A., Jiratova, K. et al. Effect of Co on HDS Activity of Alumina-supported Heteropolymolybdate. Catal Lett 137, 216–223 (2010). https://doi.org/10.1007/s10562-010-0361-9

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  • DOI: https://doi.org/10.1007/s10562-010-0361-9

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