A study of the mechanisms of NO reduction over vanadium loaded activated carbon catalysts
A study of the mechanisms of NO reduction over vanadium loaded activated carbon catalysts
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DOI：
10.1016/j.cej.2008.01.003
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发表时间：
2008-10
影响因子：
15.1
通讯作者：
M. Gálvez;A. Boyano;M. Lázaro;R. Moliner
中科院分区：
文献类型：
--
作者：
M. Gálvez;A. Boyano;M. Lázaro;R. Moliner
本文采用瞬态响应分析、程序升温脱附和DRIFT等技术研究了钒负载碳基催化剂上NO选择性催化还原反应动力学。结果指出，涉及氨的吸附物种，从气相中与NO反应的反应机制。氧的作用将是废催化位点的再生。最后，利用火星货车Krevelen动力学模型对实验数据进行了拟合。
The kinetics of the selective catalytic reduction of NO in the presence of vanadium loaded carbon-based catalysts has been studied, by means of different techniques, such as transient response analysis, temperature programmed desorption and DRIFT spectrometry. The results point out to a reaction mechanism involving adsorbed species of ammonia, which react with the NO from the gas phase. The role of oxygen will be the regeneration of the spent catalytic sites. Finally, the Mars van Krevelen kinetic model was successfully used to fit the experimental data.