Watching the Methanol-to-Olefin Process with Time- and Space-Resolved High-Energy Operando X-ray Diffraction |
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| Authors: | David S Wragg Matthew G O'Brien Francesca L Bleken Marco Di Michiel Unni Olsbye Helmer Fjellvåg |
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| Institution: | inGAP Centre for Research-based Innovation and Centre for Materials and Nanotechnology, Department of Chemistry, University of Oslo, PO box 1033 Blindern, 0315 Oslo (Norway) http://www.mn.uio.no/ingap/english/. david.wragg@smn.uio.no. |
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| Abstract: | The movement of reactants in a large methanol-to-olefin reactor bed was visualized by fast scanning synchrotron X-ray diffraction. Changes in the structure of the catalyst showed the formation of reaction intermediates and coke, which can be tracked along the reactor bed. The observations lead to a new model for the progress of the reaction and explain the role of methanol in coke formation. |
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| Keywords: | heterogeneous catalysis industrial chemistry reaction mechanisms X‐ray diffraction zeolites |
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