二嗪酮
过硫酸盐
降级(电信)
田口方法
化学
人体净化
杀虫剂
高级氧化法
化学工程
环境化学
材料科学
废物管理
有机化学
计算机科学
催化作用
工程类
复合材料
农学
生物
电信
作者
Mohammad Hossein Rasoulifard,Mina Akrami,Mohammad Reza Eskandarian
标识
DOI:10.1016/j.jtice.2015.05.014
摘要
The degradation of organophosphorus insecticide diazinon as the major concern of the present study was scrutinized. Advanced oxidation processes (AOPs) as a dominant route to degradation was considered. Also, to create the robust hydroxyl radicals for decontamination, sodium persulfate was used. Activation of persulfate was utilized both thermally and by UV light. UV-LEDs were applied instead of conventional UV lamps. Besides, use of periodic-based irradiation showed that more energy-saving itinerary could be provided utilizing UV-LEDs. In ruin procedures, the effect of individual and collaborative factors such as temperature, time, UV light intensity, oxidant and diazinon concentration was investigated. Furthermore, to optimize influential parameters, the Taguchi method was practiced. As a result, temperature has been shown to be the most effectual factor by 82.99% contribution. It was also found that the sum of the diazinon was efficiently reduced by the UV/thermal/S2O82- process. The most important mechanistic aspect of diazinon removal was also found to be a substitution reaction of sulfur by oxygen to form diazoxon through oxidation.
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