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化学工业与工程 2017, Vol. 34 Issue (3) :58-64    DOI: 10.13353/j.issn.1004.9533.20151064
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膜曝气膜生物反应器耦合系统处理化工废水
张慧敏1,2,3,4,5, 李鹏1,2,3,4,5, 孙临泉1,2,3,4,5, 田海龙1,2,3,4,5, 李保安1,2,3,4,5
1. 天津大学化工学院, 天津 300072;
2. 化学工程研究所, 天津 300072;
3. 化学工程联合国家重点实验室, 天津 300072;
4. 天津市膜科学与海水淡化重点实验室, 天津 300072;
5. 天津化学化工协同创新中心, 天津 300072
Treatment of Chemical Wastewater by Coupled Membrane-Aerated Biofilm Reactor (MABR) System
Zhang Huimin1,2,3,4,5, Li Peng1,2,3,4,5, Sun Linquan1,2,3,4,5, Tian Hailong1,2,3,4,5, Li Baoan1,2,3,4,5
1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. Chemical Engineering Research Center, Tianjin 300072, China;
3. State Key Laboratory of Chemical Engineering, Tianjin 300072, China;
4. Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300072, China;
5. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
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摘要 

高浓度有机化工废水，含有多种复杂有机物，毒性高，难以直接生化。为了提高废水的生化性及处理效果，新型膜曝气膜生物反应器（MABR）耦合高级氧化技术对废水进行了实验研究。以铁-碳微电解、芬顿反应作为预处理，膜曝气膜生物反应器为生化系统，臭氧化技术作为深度处理，探究了操作条件对出水COD浓度、BOD5/COD（B/C）的影响。研究结果表明：在铁碳反应时间为1.5 h，pH值为4时，B/C比可从0.05提高到0.12；而芬顿反应的最适宜n（H2O2）∶n（Fe2+）和pH值分别为9和3。经预处理的废水在MABR和深度处理臭氧化的共同作用下，出水COD<500 mg/L，达到了进入污水处理厂的要求。
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张慧敏
李鹏
孙临泉
田海龙
李保安
关键词： 膜曝气膜生物反应器；   化工有机废水；   铁-碳微电解；   芬顿反应；   臭氧氧化     
Abstract：

The treatment of high-concentration chemical organic wastewater by a coupled membrane-aerated biofilm reactor(MABR) system, including ferric-carbon micro-electrolysis and Fenton reaction applied as biological polishing steps, membrane-aerated biofilm reactor(MABR) process and ozonization as post-treatment was studied experimentally. The influence of operational conditions on COD reduction and BOD5/COD (B/C) ratio was explored. The results showed that an increase of B/C ratio from 0.05 to 0.12 was achieved when micro-electrolysis was employed at pH of 4 for 1.5 h. The optimized conditions of Fenton reaction were n(H2O2)∶n(Fe2+) of 9 and pH of 3. Finally, coupling MABR system with ozonization, COD concentration of the effluent quality stayed below 500 mg/L and reached the standard of introduction to municipal sewage treatment plants.
Keywords： MABR；   chemical organic wastewater；   ferric-carbon micro-electrolysis；   Fenton reaction；   ozonization     
Received 2015-04-23;
Fund:

国家自然科学基金资助项目（51478304）；天津市科技支撑计划资助项目（13ZCZDSF00500）。
Corresponding Authors: 李保安,E-mail:libaoan@tju.edu.cn。     Email: libaoan@tju.edu.cn
About author: 张慧敏(1989-),硕士研究生,研究方向为膜技术及其应用研究。
引用本文:   
张慧敏, 李鹏, 孙临泉, 田海龙, 李保安.膜曝气膜生物反应器耦合系统处理化工废水[J].  化学工业与工程, 2017,34(3): 58-64
Zhang Huimin, Li Peng, Sun Linquan, Tian Hailong, Li Baoan.Treatment of Chemical Wastewater by Coupled Membrane-Aerated Biofilm Reactor (MABR) System[J].  Chemcial Industry and Engineering, 2017,34(3): 58-64
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