镁离子强化UV/PMS体系降解染料的探究

doi:10.11894/1005-829x.2017.37(10).031

工业水处理 ›› 2017, Vol. 37 ›› Issue (10): 31-34. doi: 10.11894/1005-829x.2017.37(10).031

镁离子强化UV/PMS体系降解染料的探究

袁琳, 张静, 胡嘉敏

四川大学建筑与环境学院, 四川成都 610225

收稿日期:2017-07-28 出版日期:2017-10-20 发布日期:2017-10-31
通讯作者: 张静,E-mail:zjing428@163.com. E-mail:1012262034@qq.com
作者简介:袁琳(1995-),本科在读.电话:18633595650,E-mail:ylbk7fbgm@163.com.通讯作者:张静,E-mail:zjing428@163.com.
基金资助:
国家自然科学基金项目（51508353）；成都市科技惠民项目（2015-HM01-00279-SF）；大学生创新创业训练计划项目（201710611132）。

Investigation of enhancement of magnesium ions on the degradation of dyeing wastewater by UV/PMS system

Yuan Lin, Zhang Jing, Hu Jiamin

College of Architecture & Environment, Sichuan University, Chengdu 610225, China

Received:2017-07-28 Online:2017-10-20 Published:2017-10-31
Supported by:

摘要/Abstract

摘要： 用酸性橙7（AO7）模拟染料废水，探究了Mg²⁺对UV/PMS体系降解染料废水的强化作用，及其影响因素和主要氧化物种。实验结果表明，Mg²⁺的加入会显著增强UV/PMS体系的氧化能力。底物浓度与AO7的降解效果成负相关；PMS投量、Mg²⁺投量和紫外灯功率与AO7的降解效果成正相关；pH的升高对该体系起到一定的抑制作用。Mg²⁺/UV/PMS体系主要氧化物种是硫酸根自由基（SO₄^·-）和少量羟基自由基（·OH）。

关键词: 镁离子, UV/PMS体系, 染料废水

Abstract: Acid orange 7(AO7)simulated dyeing wastewater has been used for investigating the enhancement effect of Mg²⁺ on the degradation of dyeing wastewater by UV/PMS system,and its influencing factors and main oxidant species. The experimental results show that the addition of Mg²⁺ can strongly enhance the oxidation capability of UV/PMS system. Substrate concentration has negative correlation with the degradation effect of AO7,while PMS dosage,Mg²⁺ dosage and the power of UV light have positive correlation with the degradation effects of AO7. The increase of pH has certain inhibition effect on the system. The main oxidation species of Mg²⁺/UV/PMS are sulfate radical(SO₄^·-)and hydroxyl radical(·OH).

Key words: magnesium ions, UV/peroxymonosulfate(PMS)system, dyeing wastewater

中图分类号:

X703

袁琳, 张静, 胡嘉敏. 镁离子强化UV/PMS体系降解染料的探究[J]. 工业水处理, 2017, 37(10): 31-34.

Yuan Lin, Zhang Jing, Hu Jiamin. Investigation of enhancement of magnesium ions on the degradation of dyeing wastewater by UV/PMS system[J]. INDUSTRIAL WATER TREATMENT, 2017, 37(10): 31-34.

https://www.iwt.cn/CN/Y2017/V37/I10/31

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