Optimization of SO x additives of FCC catalysts based on MgO-Al 2 O 3 mixed oxides produced from hydrotalcites
摘要：
A series of magnesium-rich Mg-Al spinels were prepared from hydrotalcites and characterized. When CeO 2 was incorporated they showed a very good SO x absorption as FCC SO x additives, but their regeneration capacity was limited. Different transition metal oxides were tried as co-catalysts, and among them CuO, showed excellent properties to catalyze SO 2 oxidation as well as catalyst regeneration. The SO x catalyst was stable when steamed at 750°C together with FCC catalysts.
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DOI：
10.1016/0926-3373(94)00007-7
被引量：
年份：
1994
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