具有可见光响应特性的沥青光催化材料净化NOx反应动力学研究
首发时间:2016-05-10
摘要:在机动车污染物对大气污染日益严重的情况下,利用N修饰纳米TiO2光催化剂,并采用渗透技术,制备了具有可见光响应特性的沥青路面光催化材料。同时,利用连续流动光催化试验系统,通过试验构建了该环保材料的净化NOx反应动力学模型。验证结果表明,新的动力学模型,可以较好的反应实际应用环境对净化效果的影响。
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Kinetic analysis on degradation of NOx by asphalt road photocatalytic material with visible light activity
Abstract:With the increase of the automobile amount, the atmosphere pollution for the automobile emission becomes very serious day by day. In the paper, we used the modified TiO2 with N and permeability technology to make asphalt road photocatalytic material with visible light activity. At the same time, the reaction kinetics of NOx removal with photocatalytic asphalt pavement were studied by a customized photocatalytic reactor. Based on result, the kinetic model was builded. It is shown that the modified kinetic model is able to better illustrate the influence of practical environment on the efficiency of NOx removal.
Keywords: traffic engineering asphalt road NOx decomposition
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No.4686271114508914****
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