Bifunctional Europium for Operando Catalyst Thermometry in an Exothermic Chemical Reaction

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Abstract: Often the reactor or the reaction medium temperature is reported in the field of heterogeneous catalysis, even though it could vary significantly from the reactive catalyst temperature. The influence of the catalyst temperature on the catalytic performance and vice versa is therefore not always accurately known. We here apply EuOCl as both solid catalyst and thermometer, allowing for operando temperature determination. The interplay between reaction conditions and the catalyst temperature dynamics is studied. A maximum temperature difference between the catalyst and oven of +16 °C was observed due to the exothermicity of the methane oxychlorination reaction. Heat dissipation by radiation appears dominating compared to convection in this set‐up, explaining the observed uniform catalyst bed temperature. Application of operando catalyst thermometry could provide a deeper mechanistic understanding of catalyst performances and allow for safer process operation in chemical industries.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Bifunctional Europium for Operando Catalyst Thermometry in an Exothermic Chemical Reaction ; day:24 ; month:11 ; year:2022 ; extent:1
Angewandte Chemie ; (24.11.2022) (gesamt 1)

Creator: Terlingen, Bas J. P.
Arens, Tjom
van Swieten, Thomas P.
Rabouw, Freddy T.
Prins, P. Tim
de Beer, Michiel M.
Meijerink, Andries
Ahr, Mathieu P.
Hutter, Eline M.
van Lare, Coert E. J.
Weckhuysen, Bert

DOI: 10.1002/ange.202211991

URN: urn:nbn:de:101:1-2022112514082670186019

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:33 AM CEST

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Associated

Terlingen, Bas J. P.
Arens, Tjom
van Swieten, Thomas P.
Rabouw, Freddy T.
Prins, P. Tim
de Beer, Michiel M.
Meijerink, Andries
Ahr, Mathieu P.
Hutter, Eline M.
van Lare, Coert E. J.
Weckhuysen, Bert

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