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Visualizing a Catalyst at Work during the Ignition of the Catalytic Partial Oxidation of Methane

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posted on 2009-02-26, 00:00 authored by Bertram Kimmerle, Jan-Dierk Grunwaldt, Alfons Baiker, Pieter Glatzel, Pit Boye, Sandra Stephan, Christian G. Schroer
We present a spatiotemporal operando X-ray absorption study of a highly dynamic process, the ignition of the noble metal catalyzed partial oxidation of methane. Evolvement and propagation of the platinum component’s structural changes are investigated with a high-speed X-ray camera, which in combination with temperature profiling by IR-thermography and catalytic activity measurements by online mass spectrometry gives insight into the first stages of the ignition of the reaction toward hydrogen and carbon monoxide.