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Hydrogen thermodesorption from supported bimetallic Ir−Fe/Al2O3 catalysts

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Abstract

A strongly temperature-activated character of hydrogen sorption on 3% Ir−Fe/Al2O3 catalysts, especially for systems with higher iron content has been observed. The amount of hydrogen sorbed on bimetallic catalysts are much smaller than those expected from the interpolation of sorption on monometallic catalysts. Hydrogen thermodesorption spectra of the systems investigated change continually with growing iron contents and do not show any new maxima.

Abstract

Водородная сорбция на 3% Ir−Fe/Al2O3 катализаторе сильно активируется темперттурой, особенно для систем с высоким содержанием железа. Количество водорода, сорбирующегося на биметаллических катализаторах гораздо меньше количества, ожидаемого на основе правила аддиттивности дия монометаллических катализаторов. Спектры водородной термодесорбции исследованных систем с увеличением содержания железа изменяются непрерывно без новых максимумов.

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Authors and Affiliations

  1. Institute of General Chemistry, Technical University of Lódz, Lódz, Poland

    T. Paryjczak & P. Zieliński

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  1. T. Paryjczak
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  2. P. Zieliński
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Paryjczak, T., Zieliński, P. Hydrogen thermodesorption from supported bimetallic Ir−Fe/Al2O3 catalysts. React Kinet Catal Lett 23, 165–170 (1983). https://doi.org/10.1007/BF02065683

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  • DOI: https://doi.org/10.1007/BF02065683

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