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Effect of water on hydrogen desorption from the surface of Rh/C catalysts

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Abstract

An increase in the number of titration cycles results in a considerable decrease in HT and OT values, which in turn, brings about a decrease in the amount of desorbed hydrogen. This shows that water, being a product of titration reaction, is adsorbed on the oxidized surface of rhodium and represents a kinetic-diffusive barrier for hydrogen titration.

Abstract

Найдено, что увеличение числа циклов титрования приводит к значительному уменьшению величин HT и OT, которые, в свою очередь, приводят к уменьшению количества десорбированного водорода. На основе этого заключено, что вода, будучи продуктом титрования, адсорбируется на окисленной поверхности родия и, тем самым, представляет собой кинетически-диффузионный барьер для титрования водорода.

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Authors and Affiliations

  1. Institute of General Chemistry, Technical University of Łódź, ul. Żwirki 36, 90-924, Łódź, Poland

    W. K. Jóźwiak, J. Góralski, W. Gaj & T. Paryjczak

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  1. W. K. Jóźwiak
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  2. J. Góralski
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  3. W. Gaj
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  4. T. Paryjczak
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Jóźwiak, W.K., Góralski, J., Gaj, W. et al. Effect of water on hydrogen desorption from the surface of Rh/C catalysts. React Kinet Catal Lett 33, 161–165 (1987). https://doi.org/10.1007/BF02066717

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  • DOI: https://doi.org/10.1007/BF02066717

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