期刊
TOPICS IN CATALYSIS
卷 54, 期 16-18, 页码 1266-1285出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11244-011-9749-z
关键词
Li/MgO; [Li+O-]; Oxidative coupling of methane; OCM; Wet impregnation; Precipitation; Single source precursors; Mixed milling; Deactivation
资金
- Deutsche Forschungsgemeinschaft
- IMPRS (International Max Planck Research School) of the Fritz Haber Institute of the Max Planck Society
Li-doped MgO was prepared on different preparative routes and with different loadings. The catalytic activity was found to decay for all catalysts for 40 h time on stream. A detailed structural analysis of 0.5 wt% Li-doped MgO showed heavy losses of Li, reduced surface area and grain growth. A correlation between these factors and the deactivation could not be found. The reaction temperature and the flow rate were found to be the main deactivation parameters.
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