Low‐Temperature Reverse Water–Gas Shift Enabled by Magnetically Induced Catalysis
Angewandte Chemie, vol. 138
Abstract
ABSTRACT Equilibrium‐limited endothermic reactions play a crucial role in the transition toward a more sustainable chemical industry, but are typically plagued by the need for high operation temperatures (>500°C). Here, we show that the temperature gradients generated by the selective and localized heating of catalyst materials in a colder reactor environment shift the equilibrium of thermodynamically‐limited endothermic reactions and improve their performance. In particular, the reverse water gas shift reaction and magnetic induction are selected as the model reaction and selective catalyst heating method, respectively. Magnetically induced catalysis using standard Cu–Al spinel‐derived catalyst functionalized with carbon‐coated iron nanoparticles enables high CO yield (up to 62%) at mild catalyst and reactor temperatures (estimated at 300°C and determined as 25–123°C, respectively). We demonstrate that the catalyst temperature and not the reactor temperature governs the equilibrium product composition of the rWGS, and that the temperature gradient promotes the in situ removal of water to shift the gas phase thermodynamic equilibrium. These two points synergistically result in a CO yield that would require a reactor temperature of 650°C in a conventionally heated gas phase reaction.
Authors 13
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Max Planck Institute for Chemical Energy Conversion · RWTH Aachen University
Affiliation as printed
Institut Für Technische und Makromolekulare Chemie RWTH Aachen University Aachen Germany
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Centre National de la Recherche Scientifique · Université Toulouse III - Paul Sabatier · Institut Universitaire de France · Institut National des Sciences Appliquées de Toulouse · Laboratoire de Physique et Chimie des Nano-Objets · Université de Toulouse
Affiliation as printed
Institut Universitaire De France (IUF) Paris France
Laboratoire De Physique et Chimie des Nano‐Objets Université De Toulouse, LPCNO, INSA, UPS CNRS‐UMR 5215 Toulouse France
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Max Planck Institute for Chemical Energy Conversion
Affiliation as printed
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Centre National de la Recherche Scientifique · Université Toulouse III - Paul Sabatier · Institut National des Sciences Appliquées de Toulouse · Laboratoire de Physique et Chimie des Nano-Objets · Université de Toulouse
Affiliation as printed
Laboratoire De Physique et Chimie des Nano‐Objets Université De Toulouse, LPCNO, INSA, UPS CNRS‐UMR 5215 Toulouse France
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Max Planck Institute for Chemical Energy Conversion
Affiliation as printed
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Gwangju Institute of Science and Technology · Max Planck Institute for Chemical Energy Conversion
Affiliation as printed
Department of Materials Science and Engineering Gwangju Institute of Science and Technology (GIST) Gwangju Republic of Korea
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Max Planck Institute for Chemical Energy Conversion
Affiliation as printed
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Max Planck Institute for Chemical Energy Conversion · RWTH Aachen University
Affiliation as printed
Institut Für Technische und Makromolekulare Chemie RWTH Aachen University Aachen Germany
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Max Planck Institute for Chemical Energy Conversion
Affiliation as printed
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Max Planck Institute for Chemical Energy Conversion
Affiliation as printed
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Max Planck Institute for Chemical Energy Conversion
Affiliation as printed
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Max Planck Institute for Chemical Energy Conversion · RWTH Aachen University
Affiliation as printed
Institut Für Technische und Makromolekulare Chemie RWTH Aachen University Aachen Germany
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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Max Planck Institute for Chemical Energy Conversion
Affiliation as printed
Max Planck Institute For Chemical Energy Conversion Mülheim an der Ruhr Germany
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