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磁性氧化石墨烯活化过一硫酸盐去除水中阿托伐他汀

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彭建彪, 贺冰冰, 顾梦瑶, 王喆熙, 刘金, 樊蓓蓓, 刘海津, 曹治国, 王梦杰, 高士祥. 磁性氧化石墨烯活化过一硫酸盐去除水中阿托伐他汀[J]. 环境化学, 2020, (10): 2869-2877. doi: 10.7524/j.issn.0254-6108.2020060702
引用本文: 彭建彪, 贺冰冰, 顾梦瑶, 王喆熙, 刘金, 樊蓓蓓, 刘海津, 曹治国, 王梦杰, 高士祥. 磁性氧化石墨烯活化过一硫酸盐去除水中阿托伐他汀[J]. 环境化学, 2020, (10): 2869-2877. doi: 10.7524/j.issn.0254-6108.2020060702
shu
PENG Jianbiao, HE Bingbing, GU Mengyao, WANG Zhexi, LIU Jin, FAN Beibei, LIU Haijin, CAO Zhiguo, WANG Mengjie, GAO Shixiang. Efficient removal of atorvastatin in aqueous solution via peroxymonosulfate activated by magnetic graphene oxide[J]. Environmental Chemistry, 2020, (10): 2869-2877. doi: 10.7524/j.issn.0254-6108.2020060702
Citation: PENG Jianbiao, HE Bingbing, GU Mengyao, WANG Zhexi, LIU Jin, FAN Beibei, LIU Haijin, CAO Zhiguo, WANG Mengjie, GAO Shixiang. Efficient removal of atorvastatin in aqueous solution via peroxymonosulfate activated by magnetic graphene oxide[J]. Environmental Chemistry, 2020, (10): 2869-2877. doi: 10.7524/j.issn.0254-6108.2020060702
shu

磁性氧化石墨烯活化过一硫酸盐去除水中阿托伐他汀

  • 1. 河南师范大学环境学院, 黄淮水环境污染与防治教育部重点实验室, 河南省环境污染控制重点实验室, 新乡, 453007;

  • 2. 南京大学环境学院, 污染控制与资源化研究国家重点实验室, 南京, 210023

    • 通讯作者: 彭建彪, E-mail: 2017069@htu.edu.cn ; 
  • 基金项目:

    中国博士后科学基金（2018M632783），河南师范大学科学基金（5101219170124，5101219170307，5101219470210），河南师范大学大学生创新训练项目（20190132）和污染控制与资源化研究国家重点实验室开放基金（PCRRF18028）资助.

Efficient removal of atorvastatin in aqueous solution via peroxymonosulfate activated by magnetic graphene oxide

  • 1. Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, School of Environment, Henan Normal University, Xinxiang, 453007, China;

  • 2. State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China

    • Corresponding author: PENG Jianbiao, 2017069@htu.edu.cn ; 
  • Fund Project: Supported by the China Postdoctoral Science Foundation (2018M632783), the Science Foundation of Henan Normal University (5101219170124, 5101219170307, 5101219470210), the Undergraduate Training Program for Innovation of Henan Normal University (20190132) and the Open Foundation of State Key Laboratory of Pollution Control and Resource Reuse (PCRRF18028).

  • 摘要: 以磁性氧化石墨烯（Fe3O4/GO）为催化剂，研究其活化过一硫酸盐（PMS）对水中阿托伐他汀（ATV）的降解，考察了不同氧化剂、初始pH值、Fe3O4/GO浓度、PMS浓度、反应温度、无机阴离子和溶解有机质（DOM）对Fe3O4/GO+PMS体系催化降解ATV的影响.结果表明，ATV的去除率与溶液初始pH相关，在中性条件时去除率最大；ATV的去除率随着PMS浓度和反应温度的升高而增大，而Fe3O4/GO浓度对ATV去除率的作用不明显；无机阴离子对ATV的去除率起到促进作用，而DOM则表现出不同程度的抑制作用；自由基淬灭实验结果表明，硫酸根自由基（SO4·-）和羟基自由基（·OH）为Fe3O4/GO+PMS体系中主要的氧化活性物质；另外，基于飞行时间液相色谱质谱联用仪（TOF-LC-MS）检测到的9种主要降解中间产物，推测了4种相关反应路径.
    Abstract: In the present study, the removal of atorvastatin (ATV) in water via peroxymonosulfate (PMS) activated by magnetic graphene oxide (Fe3O4/GO) was systematically investigated. The effects of different oxidant, initial pH, Fe3O4/GO dosage, PMS concentration, reaction temperature, coexisting anions and dissolved organic matters (DOM) on the degradation of ATV in water were examined. Results showed that the ATV degradation efficiency depended on solution initial pH with neutral pH showing the optimum degradation conditions, and the removal of ATV increased with the augment of PMS concentration and temperature, while the effect of Fe3O4/GO dosage was insignificant; inorganic anions promoted the degradation of ATV, while DOM inhibited the removal of ATV. The free radical quenching experiments demonstrated that both sulfate radical (SO4·-) and hydroxyl radical (·OH) were the main reactive oxygen species (ROS) in Fe3O4/GO+PMS system. In addition, nine major intermediates were identified by time of flight liquid chromatography-tandem mass spectrometry (TOF-LC-MS), and four associated reaction pathways were proposed accordingly.
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  • 收稿日期:  2020-06-07
彭建彪, 贺冰冰, 顾梦瑶, 王喆熙, 刘金, 樊蓓蓓, 刘海津, 曹治国, 王梦杰, 高士祥. 磁性氧化石墨烯活化过一硫酸盐去除水中阿托伐他汀[J]. 环境化学, 2020, (10): 2869-2877. doi: 10.7524/j.issn.0254-6108.2020060702
引用本文: 彭建彪, 贺冰冰, 顾梦瑶, 王喆熙, 刘金, 樊蓓蓓, 刘海津, 曹治国, 王梦杰, 高士祥. 磁性氧化石墨烯活化过一硫酸盐去除水中阿托伐他汀[J]. 环境化学, 2020, (10): 2869-2877. doi: 10.7524/j.issn.0254-6108.2020060702
shu
PENG Jianbiao, HE Bingbing, GU Mengyao, WANG Zhexi, LIU Jin, FAN Beibei, LIU Haijin, CAO Zhiguo, WANG Mengjie, GAO Shixiang. Efficient removal of atorvastatin in aqueous solution via peroxymonosulfate activated by magnetic graphene oxide[J]. Environmental Chemistry, 2020, (10): 2869-2877. doi: 10.7524/j.issn.0254-6108.2020060702
Citation: PENG Jianbiao, HE Bingbing, GU Mengyao, WANG Zhexi, LIU Jin, FAN Beibei, LIU Haijin, CAO Zhiguo, WANG Mengjie, GAO Shixiang. Efficient removal of atorvastatin in aqueous solution via peroxymonosulfate activated by magnetic graphene oxide[J]. Environmental Chemistry, 2020, (10): 2869-2877. doi: 10.7524/j.issn.0254-6108.2020060702
shu

磁性氧化石墨烯活化过一硫酸盐去除水中阿托伐他汀

    通讯作者: 彭建彪, E-mail: 2017069@htu.edu.cn ; 
  • 1. 河南师范大学环境学院, 黄淮水环境污染与防治教育部重点实验室, 河南省环境污染控制重点实验室, 新乡, 453007;
  • 2. 南京大学环境学院, 污染控制与资源化研究国家重点实验室, 南京, 210023
  • 收稿日期:  2020-06-07
基金项目:

中国博士后科学基金（2018M632783），河南师范大学科学基金（5101219170124，5101219170307，5101219470210），河南师范大学大学生创新训练项目（20190132）和污染控制与资源化研究国家重点实验室开放基金（PCRRF18028）资助.

摘要: 以磁性氧化石墨烯（Fe3O4/GO）为催化剂，研究其活化过一硫酸盐（PMS）对水中阿托伐他汀（ATV）的降解，考察了不同氧化剂、初始pH值、Fe3O4/GO浓度、PMS浓度、反应温度、无机阴离子和溶解有机质（DOM）对Fe3O4/GO+PMS体系催化降解ATV的影响.结果表明，ATV的去除率与溶液初始pH相关，在中性条件时去除率最大；ATV的去除率随着PMS浓度和反应温度的升高而增大，而Fe3O4/GO浓度对ATV去除率的作用不明显；无机阴离子对ATV的去除率起到促进作用，而DOM则表现出不同程度的抑制作用；自由基淬灭实验结果表明，硫酸根自由基（SO4·-）和羟基自由基（·OH）为Fe3O4/GO+PMS体系中主要的氧化活性物质；另外，基于飞行时间液相色谱质谱联用仪（TOF-LC-MS）检测到的9种主要降解中间产物，推测了4种相关反应路径.

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