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      Enhanced catalytic performance of MnxOy–Na2WO4/SiO2 for the oxidative coupling of methane using an ordered mesoporous silica support

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          Abstract

          The oxidative coupling of methane is a highly promising reaction for its direct conversion.

          The oxidative coupling of methane is a highly promising reaction for its direct conversion. Silica supported Mn xO y–Na 2WO 4 is a suitable catalyst for this reaction. In this study, a variety of different SiO 2 materials have been tested as supports. Surprisingly, the application of ordered mesoporous silicas, here exemplarily shown for SBA-15 as support materials, greatly enhances the catalytic performance. The CH 4 conversion increased two fold and also the C 2 selectivity is strongly increased.

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          Most cited references 18

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          Triblock Copolymer Syntheses of Mesoporous Silica with Periodic 50 to 300 Angstrom Pores

           D. Zhao (1998)
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            Catalytic nanoarchitectures--the importance of nothing and the unimportance of periodicity.

            Heterogeneous catalysis has always been an inherently nanoscopic phenomenon with important technological and societal consequences for energy conversion and the production of chemicals. New opportunities for improved performance arise when the multifunctionality inherent in catalytic processes, including molecular transport of reactants and products, is rethought in light of architectures designed and fabricated from the appropriate nanoscale building blocks, including the use of "nothing" (void space) and deliberate disorder as design components. Architectures with all of the appropriate electrochemical and catalytic requirements, including large surface areas readily accessible to molecules, may now be assembled on the benchtop. Designing catalytic nanoarchitectures that depart from the hegemony of periodicity and order offers the promise of even higher activity.
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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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                Author and article information

                Journal
                CHCOFS
                Chem. Commun.
                Chem. Commun.
                Royal Society of Chemistry (RSC)
                1359-7345
                1364-548X
                2014
                2014
                : 50
                : 92
                : 14440-14442
                Article
                10.1039/C4CC06561A
                © 2014
                Product
                Self URI (article page): http://xlink.rsc.org/?DOI=C4CC06561A

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