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Characteristics of Active Site Formation in Co-Containing Catalysts for CO Oxidation on Chemically Different Supports

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Abstract

We have studied the catalytic activity in CO oxidation for cobalt-containing (1.2 mass % Co) catalysts on different supports: ZSM-5, Al2O3, SiO2, and ERI. Using X-ray photoelectron spectroscopy (XPS), diffuse reflection electronic spectroscopy, and thermal programmed reduction we have established that the differences in the activity of Co-containing catalysts are due to different localization of the cobalt cations, the nature of their distribution in the surface layer of the catalyst, and the presence of cobalt ions CoOh in an environment of intralattice oxygen which have high reducibility.

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  1. Taras Shevchenko Kyiv National University, 60 Volodymyrs'ka Vul., 01033, Kyiv, Ukraine

    L. P. Oleksenko

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  1. L. P. Oleksenko
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Oleksenko, L.P. Characteristics of Active Site Formation in Co-Containing Catalysts for CO Oxidation on Chemically Different Supports. Theoretical and Experimental Chemistry 40, 331–336 (2004). https://doi.org/10.1023/B:THEC.0000049081.04366.a7

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  • DOI: https://doi.org/10.1023/B:THEC.0000049081.04366.a7

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