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首页> 美国卫生研究院文献>Membranes >Fouling Mitigation and Wastewater Treatment Enhancement through the Application of an Electro Moving Bed Membrane Bioreactor (eMB-MBR)
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Fouling Mitigation and Wastewater Treatment Enhancement through the Application of an Electro Moving Bed Membrane Bioreactor (eMB-MBR)

机译：通过使用电移动床膜生物反应器（eMB-MBR）减轻结垢并增强废水处理

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High operational cost due to membrane fouling propensity remains a major drawback for the widespread application of membrane bioreactor (MBR) technology. As a result, studies on membrane fouling mitigation through the application of integrated processes have been widely explored. In this work, the combined application of electrochemical processes and moving bed biofilm reactor (MBBR) technology within an MBR at laboratory scale was performed by applying an intermittent voltage of 3 V/cm to a reactor filled with 30% carriers. The treatment efficiency of the electro moving bed membrane bioreactor (eMB-MBR) technology in terms of ammonium nitrogen (NH4-N) and orthophosphate (PO4-P) removal significantly improved from 49.8% and 76.7% in the moving bed membrane bioreactor (MB-MBR) control system to 55% and 98.7% in the eMB-MBR, respectively. Additionally, concentrations of known fouling precursors and membrane fouling rate were noticeably lower in the eMB-MBR system as compared to the control system. Hence, this study successfully demonstrated an innovative and effective technology (i.e., eMB-MBR) to improve MBR performance in terms of both conventional contaminant removal and fouling mitigation.
机译：由于膜结垢的倾向而导致的高运行成本仍然是膜生物反应器（MBR）技术的广泛应用的主要缺点。结果，已经广泛地探索了通过应用集成工艺来减轻膜污染的研究。在这项工作中，通过向填充有30％载流子的反应器施加3 V / cm的间歇电压，在实验室规模的MBR中将电化学过程和移动床生物膜反应器（MBBR）技术组合应用。电动移动床膜生物反应器（eMB-MBR）技术在去除铵态氮（NH4-N）和正磷酸盐（PO4-P）方面的处理效率从移动床膜生物反应器（MB）的49.8％和76.7％显着提高-MBR）控制系统分别达到eMB-MBR中的55％和98.7％。另外，与对照系统相比，eMB-MBR系统中已知的结垢前体浓度和膜结垢率明显更低。因此，这项研究成功地展示了一种创新和有效的技术（即eMB-MBR），可以从常规污染物去除和污垢缓解方面提高MBR性能。

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