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- W1523488265 abstract "Lithium-doped ZnO has been found to be a relatively good catalyst for the oxidative dimerization of methane to ethane and ethylene. Maximum C2 yields of approximately 15% have been attained and are comparable with those previously observed over Li-doped MgO catalysts. Initial methane activation is believed to be via hydrogen atom abstraction by [Li+O−]centers on the catalyst surface, and this results in the formation of surface-generated gas-phase methyl radicals. Gas-phase radical reactions provide the primary pathway for the formation of selective C2 products. Nonselective C1 product formation is most likely promoted on the pure ZnO surface. Zinc oxide is a nonbasic semiconductor, whereas MgO is a basic insulator. However, these differences in electronic and basic properties tend to disappear when the oxides are doped with lithium, and the similarities are reflected in the catalytic properties." @default.
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- W1523488265 date "1988-08-01" @default.
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- W1523488265 title "Activation and oxidative dimerization of methane over lithium-promoted zinc oxide" @default.
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- W1523488265 doi "https://doi.org/10.1016/0021-9517(88)90150-9" @default.
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