文章基本信息

标题：The Photo Degradation of 2,3-dimethyl phenol in Drinking Water using Nano TiO2, ZnS and SnO2 Particles
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作者：Faiez S. Saleh ; Ali H. Al-Mowali ; Moayad N. Khalaf 等
期刊名称：Journal of Environment and Earth Science
印刷版ISSN：2225-0948
电子版ISSN：2225-0948
出版年度：2015
卷号：5
期号：10
页码：84-90
语种：English
出版社：The International Institute for Science, Technology and Education (IISTE)
摘要：The work presented in this paper is concernd with the preliminary study of semiconductors photochemical degradation of 2,3-dimethyl phenol by using powder and nanoparticles of TiO2,ZnS and SnO2. Degradation of 2,3-dimethyl phenol was carried out by using UV light at wave length of 267nm in the presence of oxygen.The absorpitivity of 2,3-dimethyl phenol decay was measured in the presence of UV light with capacity of 250 watt .The rate of degradation is increased with the weight of photocatalyst and reached maximum value at 0.1gm (TiO2), 0.5gm (ZnO) and 1gm (SnO2).In this paper,the effects of various operating parameters of the photolytic degradation of 2,3-dimethyl phenol are presented. It was found that, different parameters, such as type of photocatalyst composition, initial substrate concentration, and amount of catalyst can play an important role on photocatalytic degradation of 2,3-dimethyl phenol. It was also found that the type and particle size of nano TiO2, SnO2 and ZnS play an important factor for accelerating the photo degradation. The activity of nano particle was found in the order: TiO2> ZnS> SnO2. The results of photodegradation are represented by Lagmuir-Hinshelwood relationship and indicate that the results are Pseudo first order. The particle size of TiO2, SnO2 and ZnS was estimated using XRD technique.
关键词：Photodegradation; Drinking water; Nanoparticles