The catalytic ethanol dehydration with oxygen cofeeding over different pretreated Pd-HBZ catalysts was investigated. The catalyst was pretreated with different gas including air, nitrogen, and hydrogen. It was tested in ethanol dehydration in the presence and absence of oxygen cofeeding. It was significantly found that with the presence of oxygen cofeeding, the complete ethanol conversion was obtained at very low temperature (ca. 200 °C) and ethylene was a major product. This can be attributed to increased moderate and strong acid sites of catalyst by oxygen cofeeding. In addition, the different gas pretreatment seemed to have less effect on catalytic behaviors.

研究了在不同的预处理Pd-HBZ催化剂上氧气共进料催化乙醇脱水。催化剂用包括空气，氮气和氢气在内的不同气体进行了预处理。在存在和不存在氧气共进料的情况下，在乙醇脱水中对其进行了测试。显着地发现，在存在氧气共进料的情况下，在非常低的温度（约200℃）下获得了完全的乙醇转化，并且乙烯是主要产物。这可以归因于通过氧共进料增加的催化剂的中等和强酸位点。另外，不同的气体预处理似乎对催化行为的影响较小。