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Dehydrogenation And Aromatization Of Methane Under Non-oxidizing Conditions

L. Wang, L. Tao, Maosong Xie, Guifen Xu, Jiasheng Huang, Yide Xu
Published 1993 · Chemistry

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The dehydrogenation and aromatization of methane on modified ZSM-5 zeolite catalysts has been studied under non-oxidizing conditions with a fixed bed continuous-flow reactor and with a temperature programmed reactor. The results show that benzene is the only hydrocarbon product of the catalytic conversion of methane at high temperature (973 K). The catalytic activity of ZSM-5 is greatly improved by incorporating a metal cation (Mo or Zn). H2 and ethene have been directly detected in the products with a mass spectrometer during TPAR. A carbenium ion mechanism for the activation of methane is suggested.
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