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      Real time chemical imaging of a working catalytic membrane reactor during oxidative coupling of methane

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          Abstract

          We report the results from an operando XRD-CT study of a working catalytic membrane reactor for the oxidative coupling of methane.

          Abstract

          We report the results from an operando XRD-CT study of a working catalytic membrane reactor for the oxidative coupling of methane. These results reveal the importance of the evolving solid state chemistry during catalytic reaction, particularly the chemical interaction between the catalyst and the oxygen transport membrane.

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          Most cited references 51

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          Heterogeneities of individual catalyst particles in space and time as monitored by spectroscopy.

          Recent years have witnessed the introduction of spatiotemporal spectroscopy for the characterization of catalysts at work at previously unattainable resolution and sensitivity. They have revealed that heterogeneous catalysts are more heterogeneous than often expected. Dynamic changes in the nature of active sites, such as their distribution and accessibility, occur both between and within particles. Scientists now have micro- and nanospectroscopic methods at hand to improve the understanding of catalyst heterogeneities and exploit them in catalyst design. Here we review the latest developments within this lively field. The trends include detection of single particles or molecules, super-resolution imaging, the transition from two- to three-dimensional imaging, selective staining, integration of spectroscopy with electron microscopy or scanning probe methods, and measuring under realistic reaction conditions. Such experimental approaches change the hitherto somewhat static picture of heterogeneous catalysis into one that acknowledges that catalysts behave almost like living objects--explaining why many characterization methods from the life sciences are being incorporated into catalysis research.
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            Catalytic conversion of methane to more useful chemicals and fuels: a challenge for the 21st century

             Jack Lunsford (2000)
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              Energy. Natural gas from shale bursts onto the scene.

               Jamie R. Kerr (2010)
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                Author and article information

                Journal
                CHCOFS
                Chemical Communications
                Chem. Commun.
                Royal Society of Chemistry (RSC)
                1359-7345
                1364-548X
                2015
                2015
                : 51
                : 64
                : 12752-12755
                Affiliations
                [1 ]Department of Chemistry
                [2 ]University College London
                [3 ]London WC1H 0AJ
                [4 ]UK
                [5 ]UK Catalysis Hub
                [6 ]Research Complex at Harwell
                [7 ]Didcot
                [8 ]School of Materials
                [9 ]Flemish Institute for Technological Research
                [10 ]VITO NV
                [11 ]Mol
                [12 ]Belgium
                [13 ]ESRF
                [14 ]38000 Grenoble
                [15 ]France
                [16 ]University of Manchester
                [17 ]Manchester
                [18 ]Boreskov Institute of Catalysis SB RAS
                [19 ]630090 Novosibirsk
                [20 ]Russia
                [21 ]Chemical Process Intensification
                [22 ]Department of Chemical Engineering
                [23 ]Eindhoven University of Technology
                [24 ]Eindhoven
                [25 ]Netherlands
                [26 ]London WC1E 7JE
                Article
                10.1039/C5CC03208C
                © 2015
                Product
                Self URI (article page): http://xlink.rsc.org/?DOI=C5CC03208C

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