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首页> 外文期刊>Journal of water reuse and desalination >Optimized coupling of a submerged membrane electro-bioreactor with pre-anaerobic reactors containing anode electrodes for wastewater treatment and fouling reduction
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Optimized coupling of a submerged membrane electro-bioreactor with pre-anaerobic reactors containing anode electrodes for wastewater treatment and fouling reduction

机译：浸没式膜电生物反应器与包含阳极电极的厌氧反应器的优化耦合，用于废水处理和减少结垢

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摘要

In this paper, the performance of a submerged membrane electro-bioreactor with pre-anaerobic reactors containing anode electrodes (SMEBR+) was compared with that of a membrane bioreactor (MBR) in municipal wastewater treatment. The new design idea of the SMEBR+ was based on applications of direct current (DC) on the anode and cathode electrodes. The pilot study was divided into 2 stages and operated for 48 days. In Stage I, the MBR was continuously operated for 24 days without the application of electrodes. In Stage II, the SMEBR+ was continuously operated for 24 days, while aluminum electrodes and an intermittent DC were working with an operational mode of 2 min ON/4 min OFF at a constant voltage of 1.4 V. The results indicated that membrane fouling was reduced by nearly 22.02% in the SMEBR+ compared to the MBR. The results also showed that the SMEBR+ increased the quality of effluent to the extent that high removals of NH3+-N, PO43?-P, and chemical oxygen demand (COD) were 98%, 76%, and 90%, respectively. This system, in comparison with those proposed in other studies, showed a suitable improvement in biological treatments, considering the high removal of NH3+-N. Therefore, SMEBR+ can be considered as a promising treatment alternative to the conventional MBR.
机译：在本文中，将带有阳极阳极的预厌氧反应器（SMEBR +）的浸没式膜电生物反应器与膜生物反应器（MBR）在市政废水处理中的性能进行了比较。 SMEBR +的新设计思想是基于在阳极和阴极电极上施加直流电（DC）。初步研究分为两个阶段，进行了48天。在第一阶段中，MBR连续运行了24天，没有使用电极。在阶段II中，SMEBR +连续运行24天，而铝电极和间歇DC在1.4 V恒定电压下以2 min ON / 4 min OFF的工作模式工作。结果表明，减少了膜污染与MBR相比，SMEBR +增长了近22.02％。结果还表明，SMEBR +提高了废水的质量，使得NH3 + -N，PO43β-P和化学需氧量（COD）的高去除率分别达到98％，76％和90％。与其他研究中提出的系统相比，考虑到NH3 + -N的高去除率，该系统在生物学处理方面显示出适当的改进。因此，可以认为SMEBR +是常规MBR的有前途的治疗替代方法。

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