广东工业大学学报 ›› 2021, Vol. 38 ›› Issue (03): 79-85.doi: 10.12052/gdutxb.200117

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紫外发光二极管联合次氯酸钠降解美托洛尔的影响因素研究

王思思1, 刘立凡1, 李绍峰2, 冉治霖3   

  1. 1. 广东工业大学 土木与交通工程学院，广东 广州 510006;
    2. 深圳职业技术学院 建筑与环境工程学院，广东 深圳 518055;
    3. 深圳信息职业技术学院 交通与环境学院，广东 深圳 518172
  • 收稿日期:2020-09-10 出版日期:2021-05-10 发布日期:2021-03-12
  • 通信作者: 刘立凡(1972-)，女，副教授，硕士生导师，主要研究方向为水污染控制及污水资源化技术研究，E-mail：lifanliu@gdut.edu.cn E-mail:lifanliu@gdut.edu.cn
  • 作者简介:王思思(1994-)，女，硕士研究生，主要研究方向为水污染控制

A Study of the Factors Influencing the Degradation of Metoprolol by UV-LED Combined with Sodium Hypochlorite

Wang Si-si1, Liu Li-fan1, Li Shao-feng2, Ran Zhi-lin3   

  1. 1. School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China;
    2. Department of Building and Environmental Engineering, Shenzhen Polytechnic Institute, Shenzhen 518055, China;
    3. School of Traffic and Environment, Shenzhen Institute of Information Technology, Shenzhen 518172, China
  • Received:2020-09-10 Online:2021-05-10 Published:2021-03-12

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摘要： 采用紫外发光二极管联合次氯酸钠高级氧化工艺(UV/Cl2)对β-受体阻滞剂美托洛尔(Metoprolol, MTP)的降解进行研究, 考察MTP降解的影响因素。结果表明, UV/Cl2对MTP的去除率可达95.2%且具有协同作用, 反应符合准一级反应动力学, 降解速率常数随辐照度、溶液pH增大而增大, 随氯剂量的增加先增大后减少, 随MTP初始质量浓度、抑制剂叔丁醇浓度的增加而减少。

关键词: 紫外发光二极管, 次氯酸钠, 美托洛尔, 影响因素, 高级氧化

Abstract: Using UV-LED / Cl2 Advanced Oxidation Process to study the degradation of metoprolol (MTP), one of the β-blocker, the effects of light intensity, chlorine dosage, pH, TBA and other factors on the degradation of MTP are investigated. Studies have shown that UV-LED / Cl2 can effectively remove MTP by synergy. The MTP degradation during UV-LED / Cl2 treatment satisfies pseudo-first-order kinetics, and the pseudo-first-order rate constants of MTP (kobs) increases with the UV-LED light intensity and the pH of the solution. With the increase of the chlorine dose, the kobs of MTP increases first and then decreases. The kobs of MTP decreases with the increase of the initial concentration of MTP and TBA, and TBA has a strong inhibitory effect on MTP degradation during UV-LED / Cl2 treatment.

Key words: ultraviolet light-emitting diode, sodium hypochlorite, metoprolol, influencing factors, advanced oxidation process

中图分类号: 

  • X524
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