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Development of removal equipment for nitrogen oxides by using pleats diffusion scrubber coated with TiO_2 photocatalyst

机译：使用褶皱扩散洗涤器用TiO_2光催化剂涂覆氮氧化物去除设备的开发

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Removal equipment for NOx in the air was developed on the basis of diffusion scrubber method. This equipment consists of two parallel stainless steel boards coated with TiO_2 as a photocatalyst and UV lamp, and it can oxidize NOx to HNO_3 and remove NOx by flowing the air into the narrow space between two boards. As the results of evaluation experiment of the developed equipment, it was found that high removal efficiency and high removal capacity for NOx were obtained. In order to change a board for TiO_2 coating into a cheaper and lightweight material, a nonwoven fabric was examined. The TiO_2 coated nonwoven fabric had the same NOx removal capability as the TiO_2 coated stainless boards. Moreover, by use of flexible nonwoven fabric, pleated type diffusion scrubber was newly devised. Theoretical removal efficiency of NOx by pleated type diffusion scrubber could be calculated by introducing the concept of a considerable diameter into Gormley-Kennedy equation. As the result, it was found that pleated type diffusion scrubber could be treated the twice volume of polluted air at the same removal efficiency compared with parallel board type diffusion scrubber.
机译：在扩散洗涤方法的基础上开发了空气中NOx的去除设备。该设备由两个平行的不锈钢板组成，涂有TiO_2作为光催化剂和紫外灯，可以通过将空气流入两个板之间的狭窄空间来氧化NOx并除去NOx。作为发达设备的评估实验结果，发现获得了NOx的高去除效率和高去除能力。为了将TiO_2涂层的电路板改变为更便宜和轻质的材料，检查了一种非织造织物。 TiO_2涂覆的非织造织物具有与TiO_2涂覆的不锈钢板相同的NOx去除能力。另外，通过使用柔性无纺布，新设计褶皱型扩散洗涤器。通过褶皱型扩散洗涤器的理论去除效率可以通过将直径相当大的概念引入Gormley-kennedy方程来计算。结果，发现与平行板型扩散洗涤器相比，可以以相同的去除效率处理褶皱型扩散洗涤器的两倍量。

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