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首页> 外文期刊>Environmental Science & Technology >Hospital Wastewater Treatment by Membrane Bioreactor: Performance and Efficiency for Organic Micropollutant Elimination
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Hospital Wastewater Treatment by Membrane Bioreactor: Performance and Efficiency for Organic Micropollutant Elimination

机译：膜生物反应器处理医院废水：去除有机微污染物的性能和效率

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摘要

A pilot-scale membrane bioreactor (MBR) was installed and operated for one year at a Swiss hospital. It was fed an influent directly from the hospital's sanitary collection system. To study the efficiency of micropollutant elimination in raw hospital wastewater that comprises a complex matrix with micropollutant concentrations ranging from low ng/L to low mg/L, an automated online SPE-HPLC-MS/MS analytical method was developed. Among the 68 target analytes were the following: 56 pharmaceuticals (antibiotics, antimycotics, antivirals, iodinated X-ray contrast media, antiinflamatory, cytostatics, diuretics, beta blockers, anesthetics, analgesics, antiepileptics, antidepressants, and others), 10 metabolites, and 2 corrosion inhibitors. The MBR influent contained the majority of those target analytes. The micropollutant elimination efficiency was assessed through continuous flow-proportional sampling of the MBR influent and continuous time-proportional sampling of the MBR effluent. An overall load elimination of all pharmaceuticals and metabolites in the MBR was 22%, as over 80% of the load was due to persistent iodinated contrast media. No inhibition by antibacterial agents or disinfectants from the hospital was observed in the MBR, The hospital wastewater was found to be a dynamic system in which conjugates of pharmaceuticals deconjugate and biological transformation products are formed, which in some cases are pharmaceuticals themselves.
机译：在瑞士一家医院安装了中试规模的膜生物反应器（MBR），并运行了一年。它直接从医院的卫生收集系统中获得了进水。为了研究原始医院废水中的微量污染物消除效率，该废水包含浓度范围从低ng / L到低mg / L的复杂基质，开发了一种自动在线SPE-HPLC-MS / MS分析方法。在68种目标分析物中，有56种药物（抗生素，抗真菌药，抗病毒药，碘化X射线造影剂，抗炎药，细胞抑制剂，利尿药，β受体阻滞剂，麻醉药，镇痛药，抗癫痫药，抗抑郁药等），10种代谢物和2种缓蚀剂。 MBR进水包含大多数目标分析物。通过对MBR进水进行连续流量比例采样和对MBR废水进行连续时间比例采样来评估微量污染物的去除效率。 MBR中所有药物和代谢物的总负荷消除为22％，因为超过80％的负荷归因于持续的碘化造影剂。在MBR中未观察到来自医院的抗菌剂或消毒剂的抑制作用。医院废水被发现是一个动态系统，其中形成了药物结合物和生物转化产物的结合物，在某些情况下是药物本身。

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  • 来源
    《Environmental Science & Technology》 |2012年第3期|p.1536-1545|共10页
  • 作者

    Lubomira Kovalova; Hansruedi Siegrist; Heinz Singer; Anita Wittmer; Christa S. McArdell;

  • 作者单位

    Eawag, Swiss Federal Institute of Aquatic Science and Technology, CH-8600 Duebendorf, Switzerland;

    Eawag, Swiss Federal Institute of Aquatic Science and Technology, CH-8600 Duebendorf, Switzerland;

    Eawag, Swiss Federal Institute of Aquatic Science and Technology, CH-8600 Duebendorf, Switzerland;

    Eawag, Swiss Federal Institute of Aquatic Science and Technology, CH-8600 Duebendorf, Switzerland;

    Eawag, Swiss Federal Institute of Aquatic Science and Technology, CH-8600 Duebendorf, Switzerland;

  • 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);
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