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现代化工  2018, Vol. 38 Issue (11): 107-110    DOI: 10.16606/j.cnki.issn0253-4320.2018.11.023
  科研与开发 本期目录 | 过刊浏览 | 高级检索 |
刘晓艳1, 刘莲1, 吴俊峰2, 王松林2
1. 武汉科技大学城市建设学院, 湖北 武汉 430065;
2. 华中科技大学环境科学与工程学院, 湖北 武汉 430074
Main parameters influencing degradation of carbamazepine by Fe2+-activated H2O2/PS
LIU Xiao-yan1, LIU Lian1, WU Jun-feng2, WANG Song-lin2
1. School of Urban Construction, Wuhan University of Science and Technology, Wuhan 430065, China;
2. School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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摘要 采用亚铁离子活化H2O2/PS (过硫酸盐)降解水中的卡马西平(CBZ),对亚铁离子活化H2O2/PS降解卡马西平的影响因素进行了研究。结果表明,n(H2O2)/n(PS)为3∶1、Fe2+的浓度为0.1 mmol/L、pH=3、反应时间为30 min时,卡马西平的降解率达到62.9%。增加Fe2+的浓度能提高卡马西平的降解效率,增加卡马西平的初始浓度会降低卡马西平的去除率,但提高了卡马西平总的去除量。通过甲醇和叔丁醇淬灭实验验证了在亚铁离子活化H2O2/PS体系中HO·是主要的反应自由基。该研究为降解水中卡马西平提供了一种技术支持。
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关键词:  羟基自由基  硫酸自由基  卡马西平  亚铁离子    
Abstract: Carbamazepine is degraded by ferrous ion activated hydrogen peroxide and persulfate (Fe2+-activated H2O2/PS) and the influencing factors are studied.It is shown that the degradation rate of carbamazepine can reach 62.9% in 30 minutes when n(H2O2)/n(PS) is 3:1,Fe2+ dosage is 0.1 mmol·L-1 and the appropriate pH values is 3.Increasing Fe2+ dosage can improve the degradation efficiency of carbamazepine.Increasing the initial concentration of carbamazepine will reduce the removal rate of carbamazepine but can enhance its total removal amount.Besides,hydroxyl radicals are proven to be the predominant active species in the Fe2+-activated H2O2/PS system by using methanol and tertiary butanol as scavengers.This research provides a type of technology reference for the treatment of carbamazepine.
Key words:  hydroxyl radicals    sulfate radicals    carbamazepine    ferrous ion
收稿日期:  2018-02-21      修回日期:  2018-09-12          
基金资助: 国家自然科学基金(51578258)
通讯作者:  王松林(1970-),男,博士,教授,主要从事固废研究,通讯联系人,。    E-mail:
作者简介:  刘晓艳(1972-),女,硕士,副教授,主要从事水污染研究,
刘晓艳, 刘莲, 吴俊峰, 王松林. Fe2+活化H2O2/PS降解卡马西平的主要影响因素研究[J]. 现代化工, 2018, 38(11): 107-110.
LIU Xiao-yan, LIU Lian, WU Jun-feng, WANG Song-lin. Main parameters influencing degradation of carbamazepine by Fe2+-activated H2O2/PS. Modern Chemical Industry, 2018, 38(11): 107-110.
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