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Photocatalytie Treatment of Low Concentration of Indoor Air Pollutant under Solar Light in Museum
Author(s): 
Pages: 113-117
Year: Issue:  4
Journal: Environmental Science and Management

Keyword:  文物保护有机酸NOx耦合效应光催化;
Abstract: 馆藏文物环境中氮氧化物和有机酸对文物材料的破坏性很大,净化难度很大.研究了气-固相下光催化耦合净化馆藏文物环境低浓度NOx与有机酸的效果,探讨了动力学过程.实验结果表明:负载型TiO2/γ-Al2O3光催化剂在可见光照条件下对馆藏文物保护环境下的有机酸和NOx都有良好的降解效果,可达到97%以上.净化效率受到初始浓度的影响较大,但在低浓度下NOx和有机酸之间没有明显的竞争抑制作用,先催化反应过程遵循表现一级反应动力学.
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