Relationship between the basicity, De-SO2 activity and reductivity of sulfate in Mg?Al?Fe?O mixed spinel catalyst |
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| Authors: | Jin-an Wang Li-fang Chen and Cheng-lie Li |
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| Institution: | (1) Institute of Physics, The National University of Mexico (UNAM), P.O. Box 20-364, 01000, Mexico, D.F., Mexico;(2) Petroleum Processing Research Center, East China University of Science and Technology, 200237 Shanghai, P.R. China |
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| Abstract: | Effects of Al3+ ions being partially substituted by Fe3+ ions in the magnesium-alumina spinel structure on the activity of SO2 oxidative adsorption and the reductive decomposition of sulfate have been studied. Both the number of the basic centers and
the strength of basicity were altered when Fe3+ ion was introduced into the MgAl2O4 structure, which resulted in the simultaneous improvement of the activity of SO2 oxidative adsorption and the reductivity of sulfate. |
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| Keywords: | Sulfur-transfer catalyst Mg− Al− Fe− O basicity De-SO2 |
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