Catalytic combustion of volatile organic compounds in binary mixtures over MnOx/Al2O3 catalyst
Catalytic combustion of volatile organic compounds in binary mixtures over MnOx/Al2O3 catalyst
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DOI：
10.1016/j.apcatb.2009.05.012
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发表时间：
2009-09
影响因子：
22.1
通讯作者：
F. N. Aguero;Bibiana P. Barbero;L. Gambaro;L. Cadús
中科院分区：
文献类型：
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作者：
F. N. Aguero;Bibiana P. Barbero;L. Gambaro;L. Cadús
研究了氧化铝负载锰氧化物催化剂在乙醇、乙酸乙酯、甲苯及其混合物中的催化性能。所考察的每种VOC的反应活性按如下顺序增加：乙醇和GT；乙酸乙酯和GT；甲苯。甲苯影响乙醛的产率，有利于乙醇和乙酸乙酯的部分燃烧。乙醇和乙酸乙酯之间存在着吸附位置的竞争，因为它们都是极性分子。在乙醇-甲苯和乙酸乙酯-甲苯混合物中，当混合物中每个组分的转化温度范围不同时，混合物效应降低，因此，总转化温度由最困难的分子被氧化的温度决定，在这种情况下是甲苯。
In this work the catalytic performance of an alumina supported manganese oxide catalyst in ethanol, ethyl acetate, toluene and mixtures of them was studied. The reactivity of each VOC investigated increased in the following order: ethanol>ethyl acetate>toluene. Toluene affects acetaldehyde yields, favoring partial combustion of ethanol and ethyl acetate. There is a competition for the adsorption sites between ethanol and ethyl acetate because both are polar molecules. Mixture effect decreases when the conversion temperature range of each component in the mixture is different, as in the case of ethanol–toluene and ethyl acetate–toluene mixture, consequently, the total conversion temperature is determined by the temperature at which the most difficult molecule is oxidized, in this case toluene.