Wang Tao, Zhao Huanping, Wang Hui, Liu Botan, Li Chunqing
School of Environmental & Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China; State Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin 300387, China.
School of Environmental & Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
Chemosphere. 2016 Jul;155:94-99. doi: 10.1016/j.chemosphere.2016.03.140. Epub 2016 Apr 22.
The membrane electro-bioreactor (MEBR) is a novel technology, it treats wastewater by combining membrane filtration, electrokinetic phenomena, and biological processes in one reactor. This paper aims to deal with hard biodegradation and high concentration phenol wastewater. Investigating the influence factors such as initial concentration, voltage, pH value, temperature and mixed liquor suspended solids (MLSS) toward phenol degradation process in electrocatalytic process and membrane bioreactor (MBR), and then apply the optimum conditions in the MEBR system. Results of continuous flow experiments demonstrated that MEBR increased the quality of the treated wastewater than conventional MBR. The above technics followed the zero-order reaction kinetics. The removal efficiency of MEBR was about 11.1% higher for phenol than the sum of the two individual processes. With the help of gas chromatography/mass spectrometry (GC-MS), this qualitative analysis looks at the degradation products of phenol generated in MEBR, through which 2,6-di-tert-butyl-p-benzoquinone was confirmed as the main degradation product.
膜电生物反应器（MEBR）是一项新技术，它通过在一个反应器中结合膜过滤、动电现象和生物过程来处理废水。本文旨在处理难生物降解的高浓度苯酚废水。研究初始浓度、电压、pH值、温度和混合液悬浮固体（MLSS）等影响因素对电催化过程和膜生物反应器（MBR）中苯酚降解过程的影响，然后将最佳条件应用于MEBR系统。连续流实验结果表明，MEBR处理后的废水质量优于传统MBR。上述工艺遵循零级反应动力学。MEBR对苯酚的去除效率比两个单独过程的总和高约11.1%。借助气相色谱/质谱联用仪（GC-MS），该定性分析研究了MEBR中产生的苯酚降解产物，据此确定2,6-二叔丁基对苯醌为主要降解产物。
