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The activity of titanium silicalite-1 (TS-1): Some considerations on its origin

  • “Catalysis: From Science to Industry,” III International School-Conference for Young Scientists (Tomsk, October 26–30, 2014)
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Abstract

The high activity of titanium silicate (TS-1) in oxidations with hydrogen peroxide is the result of different factors, directly referable to the MFI structure. The configuration of Ti site (tetrahedral), the nature of active species (Ti-OOH) and the nature of the surface (hydrophobic) are the three factors that are immediately apparent. Hydrophobicity alone, however, cannot fully explain certain catalytic performances and trends in the oxidation of the olefins, without envisaging a major involvement of porosity. Actually, the molecular dimensions of pores (ca. 0.55 nm), normally perceived as just a drawback for the limits set to the range of potential substrates, play a relevant and positive role in TS-1 catalysis. The purpose of the paper is to illustrate and discuss these issues, with supporting evidences mostly taken from the oxidation of olefins and alkanes.

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Authors and Affiliations

  1. Formerly with ENI Group, Via Europa 34, 20097, San Donato Milanese, Italy

    M. G. Clerici

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  1. M. G. Clerici
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Correspondence to M. G. Clerici.

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Clerici, M.G. The activity of titanium silicalite-1 (TS-1): Some considerations on its origin. Kinet Catal 56, 450–455 (2015). https://doi.org/10.1134/S0023158415040059

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  • DOI: https://doi.org/10.1134/S0023158415040059

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