电化学耦合膜工艺去除饮用水中卡马西平

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摘要研究了外加电压、初始浓度对电化学耦合膜工艺去除饮用水中卡马西平（CBZ）效果的影响.结果表明，CBZ初始浓度为100μg/L的条件下，随着电压的升高，电化学耦合膜工艺对CBZ的去除率逐渐增加，在外加电压为2V，电化学耦合膜工艺对CBZ的去除率达到88.0%；外加电压为2.0V的条件下，CBZ初始浓度为50~500μg/L时，电化学耦合膜对CBZ的去除率均达到85%以上.而与粉末活性炭/微滤膜（PAC/MF）工艺的比较可知，电化学耦合膜工艺的去除效果更为稳定，运行成本也更低.考察了水中的离子强度和腐殖酸对电化学耦合膜工艺去除CBZ效果的影响.结果表明，由于对系统中·OH的竞争作用，离子强度的增大及腐殖酸浓度的提高将抑制CBZ去除.

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	孙继成
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	王巧英

关键词 ：电化学耦合膜, 粉末活性炭/微滤膜工艺, 饮用水, 卡马西平, 腐殖酸

Abstract：The removal of carbamazepine (CBZ) in drinking water by electrochemical coupled membrane process was investigated. The effects of voltage, initial CBZ concentration, ionic strength, and humic acid on the removal efficiency of CBZ were systemically investigated. The removal efficiency of CBZ gradually increased with the increase of applied voltage, and the optimal removal efficiency of CBZ was obtained with 2V applied voltage. When the initial CBZ concentration were in the range of 50~500μg/L, the removal efficiencies of CBZ by electrochemical coupled membrane process were above 85% by applying 2V voltage. However, the removal of CBZ could be inhibited by the increase of ionic strength and humic acid concentration due to the competitive effect of ·OH in the system. Compared with powdered activated carbon/microfiltration (PAC/MF) process, the removal efficiency of electrochemical coupled membrane process was more stable and the cost was lower.

Key words： electrochemical coupled membrane PAC/MF drinking water carbamazepine humic acid

收稿日期: 2017-06-01

PACS:

X703.5

基金资助:国家水体污染控制与治理科技重大专项（2017ZX07201005）

通讯作者: 王巧英,助理教授,qywang@tongji.edu.cn E-mail: qywang@tongji.edu.cn

作者简介: 孙继成(1994-),男,安徽六安人,同济大学硕士研究生,主要从事污水处理与资源化研究.发表论文1篇.

引用本文:

孙继成, 吴志超, 王志伟, 郑君健, 王巧英. 电化学耦合膜工艺去除饮用水中卡马西平[J]. 中国环境科学, 2018, 38(1): 193-201. SUN Ji-cheng, WU Zhi-chao, WANG Zhi-wei, ZHENG Jun-jian, WANG Qiao-ying. The electrochemical coupled membrane process for the removal of CBZ in drinking water. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(1): 193-201.

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http://manu36.magtech.com.cn/Jweb_zghjkx/CN/ 或 http://manu36.magtech.com.cn/Jweb_zghjkx/CN/Y2018/V38/I1/193

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