Methods for Studies of Reactions on Zeolite Catalysts Occurring by the Hydrocarbon Pool Mechanism

Abstract

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Revealing Active Sites and Reaction Pathways in Methane Non‐Oxidative Coupling over Iron‐Containing Zeolites

“…Several in situ characterization techniques have already been deployed to resolve these matters. [13] Chen et al used in situ X-ray absorption spectroscopy (XAS) and in situ X-ray diffraction (XRD) to investigate the structure of PtÀ Bi/ZSM-5 catalysts used in the NOCM reaction and reveal the formation of an intermetallic surface Pt 3 Bi phase on top of a Pt core. [14] Using online vacuum ultraviolet soft photoionization molecular-beam mass spectrometry, Bao and co-workers proposed the formation of methyl radicals during methane conversion over isolated Fe centers in Fe©SiO 2 .…”