UV/Fe2+/过硫酸盐降解噻虫啉的响应曲面法优化研究

China Environmental Science(2021)

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Abstract
构建了紫外-亚铁联合活化过硫酸盐的体系用于高效降解噻虫啉(Tiacloprid,THIA),以Fe2+浓度、过硫酸盐(Persulfate,PS)浓度、pH值、紫外功率为因变量,THIA去除率为响应值,通过中心复合设计法(Central Composite Design,CCD)建立因素和响应值之间的数学模型.模型拟合结果显示,当Fe2+浓度为0.318mmol/L,PS浓度为0.544mmol/L,pH值为3.054和紫外功率为58.133W时,模型预测THIA降解率最高为100%.验证实验结果(98.4%)与预测值基本一致,证明了响应曲面法用于优化紫外-亚铁联合活化过硫酸盐体系降解THIA的可行性.
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