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首页> 外文期刊>Journal of Hazardous Materials >Simultaneous removal of tetracycline and disinfection by a flow-through electro-peroxone process for reclamation from municipal secondary effluent
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Simultaneous removal of tetracycline and disinfection by a flow-through electro-peroxone process for reclamation from municipal secondary effluent

机译：同时去除四环素并通过流通的过氧过氧化物酶工艺进行消毒，以从市政二级废水中进行回收

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摘要

Pharmaceutical and personal care products as one of the micropollutants and bacteria in secondary effluent restrict the water reuse from municipal secondary effluent. Electro-peroxone (EP) process where H2O2 is generated in-situ by electrolysis is an emerging advanced oxidation process and an improvement of traditional peroxone method (O-3/H2O2). In this work, a flow-through EP process was compared with ozonation and electrolysis for simultaneous disinfection and degradation of tetracycline (TC). The disinfection effect by EP was higher than the sum of standalone ozone and electrolysis and the coupling coefficient of ozonation and electrolysis in EP process was 1.2. The flow-through EP system presented similar efficiency for separately and simultaneously treating E. coli and TC. For the actual secondary effluent treatment, trihalomethanes, haloacetonitrile and halonitromethanes, the main disinfection by-products, were much lower than the WHO's thresholds for drinking water. TOC and COD removal was 44% and 65%, respectively, at flow rate of 35 mL/min. BOD5, bacteria, pH and other parameters in the effluent could satisfy the recreational landscape water quality standard, and the required energy consumption was 0.47 kW h/m(3) at the flow rate 35 mL/min. Most of the degradation products were small-molecule organic acids, and possible degradation pathway of TC was suggested.
机译：药品和个人护理产品作为次要废水中的微污染物和细菌之一，限制了市政二次废水的回用水。通过电解原位生成H2O2的电子过氧化物（EP）工艺是一种新兴的高级氧化工艺，是对传统过氧物方法（O-3 / H2O2）的改进。在这项工作中，将流通式EP工艺与臭氧化和电解进行了比较，以同时消毒和降解四环素（TC）。 EP的消毒效果高于独立的臭氧和电解的总和，EP工艺中臭氧与电解的耦合系数为1.2。流通式EP系统对分离和同时处理大肠杆菌和TC表现出相似的效率。对于实际的二次废水处理，主要的消毒副产品三卤甲烷，卤乙腈和卤硝基甲烷远低于WHO的饮用水阈值。在35 mL / min的流速下，TOC和COD的去除率分别为44％和65％。废水中的BOD5，细菌，pH值和其他参数可以满足娱乐性景观水质标准，在流速为35 mL / min时，所需能耗为0.47 kW h / m（3）。降解产物多数为小分子有机酸，提示TC可能的降解途径。

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  • 来源
    《Journal of Hazardous Materials》 |2019年第15期|771-777|共7页
  • 作者

    Zhang Yinqiao; Zuo Sijin; Zhang Ying; Ren Gengbo; Pan Yuwei; Zhang Qizhan; Zhou Minghua;

  • 作者单位

    Nankai Univ, Coll Environm Sci & Engn, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Urban Ecol Environm Remediat & Po, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Environm Technol Complex Trans Me, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Adv Water Treatment Technol Int Joint Res, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China;

    Nankai Univ, Coll Environm Sci & Engn, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Urban Ecol Environm Remediat & Po, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Environm Technol Complex Trans Me, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Adv Water Treatment Technol Int Joint Res, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China;

    Nankai Univ, Coll Environm Sci & Engn, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Urban Ecol Environm Remediat & Po, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Environm Technol Complex Trans Me, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Adv Water Treatment Technol Int Joint Res, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China;

    Nankai Univ, Coll Environm Sci & Engn, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Urban Ecol Environm Remediat & Po, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Environm Technol Complex Trans Me, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Adv Water Treatment Technol Int Joint Res, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China;

    Nankai Univ, Coll Environm Sci & Engn, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Urban Ecol Environm Remediat & Po, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Environm Technol Complex Trans Me, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Adv Water Treatment Technol Int Joint Res, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China;

    Nankai Univ, Coll Environm Sci & Engn, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Urban Ecol Environm Remediat & Po, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Environm Technol Complex Trans Me, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Adv Water Treatment Technol Int Joint Res, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China;

    Nankai Univ, Coll Environm Sci & Engn, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Urban Ecol Environm Remediat & Po, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Key Lab Environm Technol Complex Trans Me, Tianjin 300350, Peoples R China|Nankai Univ, Tianjin Adv Water Treatment Technol Int Joint Res, Coll Environm Sci & Engn, Tianjin 300350, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Flow-through electro-peroxone; Tetracycline; Disinfection; Reclaimed water; Secondary effluent;

    机译：流通型电子过氧化物;四环素;消毒;再生水;二次废水;

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