溶解性有机质对17<i>α</i>-乙炔基雌二醇光降解的诱导效应

doi:10.11894/iwt.2019-0207

工业水处理 ›› 2019, Vol. 39 ›› Issue (8): 37-40. doi: 10.11894/iwt.2019-0207

溶解性有机质对17α-乙炔基雌二醇光降解的诱导效应

任兆刚(),陈芳,王运文,张海洋,陈凌源,任东*()

西华师范大学环境科学与工程学院, 四川南充 637009

收稿日期:2019-06-21 出版日期:2019-08-20 发布日期:2019-08-21
通讯作者: 任东 E-mail:renzhaogang@cwnu.edu.cn;drenfc@163.com
作者简介:任兆刚(1972-),博士,副教授。E-mail:renzhaogang@cwnu.edu.cn
基金资助:
四川省科技计划应用基础研究项目(2019YJ0340);西华师范大学基本科研业务费专项资金(18B022);西华师范大学科研启动基金(17E053);西华师范大学英才基金(17YC143);西华师范大学创新团队基金(CXTD2018-13);西华师范大学创新团队基金(CXTD2017-2)

Inductive effects of dissolved organic matter on the photodegradation of 17α-ethynylestradiol

Zhaogang Ren(),Fang Chen,Yunwen Wang,Haiyang Zhang,Lingyuan Chen,Dong Ren*()

College of Environmental Science and Engineering, China West Normal University, Nanchong 637009, China

Received:2019-06-21 Online:2019-08-20 Published:2019-08-21
Contact: Dong Ren E-mail:renzhaogang@cwnu.edu.cn;drenfc@163.com
Supported by:
四川省科技计划应用基础研究项目(2019YJ0340);西华师范大学基本科研业务费专项资金(18B022);西华师范大学科研启动基金(17E053);西华师范大学英才基金(17YC143);西华师范大学创新团队基金(CXTD2018-13);西华师范大学创新团队基金(CXTD2017-2)

摘要/Abstract

摘要：

以腐殖酸（HA）作为溶解性有机质代表物，探讨了HA对17α-乙炔基雌二醇（EE2）光降解的诱导作用及其受环境因子的影响。结果表明：EE2在纯水和HA溶液中的光降解过程均服从准一级动力学规律，与EE2纯水溶液相比，HA能显著加速EE2光降解过程，但HA的这一促进作用不与自身浓度呈正相关关系。EE2在HA溶液中的光降解速率随溶液pH、离子强度和溶解氧浓度的增大而增大，且离子强度的积极作用与离子种类相关。

关键词: 雌激素, 炔雌醇, 腐殖酸, 光降解, 溶解性有机质

Abstract:

Using humic acid(HA) as a representative of dissolved organic matter, the inductive effects of HA to 17α-ethynylestradiol(EE2) photodegradation and the influence of environmental factors on the HA-induced EE2 photodegradation is studied. The results show that both the photodegradation of EE2 in pure water and HA solutions obey pseudo-first order kinetics. Compared with the EE2 aqueous solution, EE2 photodegradation could be substantially enhanced by the presence of HA, but the promotion effect of HA is not positively proportional to its concentration. The photodegradation rate of EE2 in HA solutions typically increases with an increase in the pH, ionic strength and dissolved oxygen. It should be noted that the influence of ionic strength on EE2 photodegradation is also related with the ion species.

Key words: estrogen, ethynyl estradiol, humic acid, photodegradation, dissolved organic matter

中图分类号:

X131

任兆刚,陈芳,王运文,张海洋,陈凌源,任东. 溶解性有机质对17α-乙炔基雌二醇光降解的诱导效应[J]. 工业水处理, 2019, 39(8): 37-40.

Zhaogang Ren,Fang Chen,Yunwen Wang,Haiyang Zhang,Lingyuan Chen,Dong Ren. Inductive effects of dissolved organic matter on the photodegradation of 17α-ethynylestradiol[J]. Industrial Water Treatment, 2019, 39(8): 37-40.

https://www.iwt.cn/CN/Y2019/V39/I8/37

图/表 5

图1 光照条件对EE2纯水溶液稳定性的影响

图2 不同浓度HA溶液中EE2的光降解速率

图3 pH对HA诱导EE2光降解的影响

图4 离子强度对不同溶液中EE2光降解的影响

图5 溶解氧对HA诱导EE2光降解的影响

参考文献 12

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溶解性有机质对17α-乙炔基雌二醇光降解的诱导效应

Inductive effects of dissolved organic matter on the photodegradation of 17α-ethynylestradiol

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溶解性有机质对17α-乙炔基雌二醇光降解的诱导效应

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