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| 超声波-膜生物法联合处理垃圾焚烧厂渗滤液 | |
| 引用本文： | 刘香兰,郭小玲,刘桂兰,郭念,肖广全.超声波-膜生物法联合处理垃圾焚烧厂渗滤液[J].环境工程学报,2013,7(5):1773-1778. |
| 作者姓名： | 刘香兰 郭小玲 刘桂兰 郭念 肖广全 |
| 作者单位： | 1. 西南大学资源环境学院,重庆市农业资源与环境重点实验室,重庆 400715;教育部三峡库区生态环境重点实验室,重庆 400715 2. 重庆市朝阳中学,重庆,400700 3. 山西省朔州市右玉县右玉中学,朔州,037200 |
| 基金项目： | 教育部春晖计划资助项目(Z2008-1-63006);西南大学专项资金资助项目(XDJK2011C081) |
| 摘 要： | 采用超声波-膜生物法(MBR)联合处理垃圾渗滤液,探讨了超声波辐射时间和MBR的水力负荷对COD、NH3-N和TP去除的影响。结果表明,(1)超声波单独处理时,超声波辐射时间在30～90 s时,COD、NH3-N最大增加率分别34.31%、3.36%,而对TP的去除没有影响;(2)超声波-膜生物(MBR)联合处理时,超声波辐射时间为300 s,MBR的水力负荷为6.4 L/(m2.d)时,COD、NH3-N和TP的最佳去除率分别为92.20%、80.10%和91.12%;MBR的水力负荷为12.8 L/(m2.d),超声波辐射时间在5～20 min时,COD、NH3-N的最佳去除率分别为92.34%、79.93%,TP的浓度低于0.2 mg/L;MBR反应时间为7 h,超声波辐射时间为5～20 min,与未进行超声波辐射处理(超声波辐射时间为0 min)相比,COD、NH3-N的去除率增加了11.37%、15.26%;超声波预处理有助于提高后续MBR对COD、NH3-N的去除作用。 |
| 关 键 词： | 垃圾渗滤液 超声波 MBR COD NH3-N |
Treatment of leachate from MSW incineration plant by ultrasound-membrane bio-reactor |
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| Liu Xianglan,Guo Xiaoling,Liu Guilan,Guo Nian and Xiao Guangquan.Treatment of leachate from MSW incineration plant by ultrasound-membrane bio-reactor[J].Techniques and Equipment for Environmental Pollution Control,2013,7(5):1773-1778. | |
| Authors: | Liu Xianglan Guo Xiaoling Liu Guilan Guo Nian and Xiao Guangquan |
| Institution: | 1. Key Laboratory of Agricultural Resources and Environment of Chongqing, College of Resources and Environment, Southwest University, Chongqing 400715, China;2. Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing 400715, China;3. Chaoyang High School, Chongqing 400700, China;4. Youyu High School, Suozhou 037200, China;1. Key Laboratory of Agricultural Resources and Environment of Chongqing, College of Resources and Environment, Southwest University, Chongqing 400715, China;2. Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing 400715, China;1. Key Laboratory of Agricultural Resources and Environment of Chongqing, College of Resources and Environment, Southwest University, Chongqing 400715, China;2. Key Laboratory of Eco-Environments in Three Gorges Reservoir Region, Ministry of Education, Chongqing 400715, China |
| Abstract: | The combined processes of ultrasonication and membrane bio-reactor was applied in landfill leachate treatment. Removal rates of the pollutants in landfill leachate such as COD, NH3-N and TP according to treatment time were discussed.The results show that the concentration of COD and NH3-N increased by 34.31% and 3.36%, respectively. When time of ultrasonic pretreatment was between 30 s and 90 s, the concentration of TP was not obviously affected by ultrasonic pretreatment time. The best removal rates of COD, NH3-N and TP could reach to 92.20%,80.10% and 91.12%,respectively, when ultrasonic pretreatment time was 300 s and hydraulic load of MBR was 6.4 L/(m2·d). The best removal rate of COD and NH3-N could also reach to 92.34%, 79.93%, respectively, under the conditions that hydraulic load of MBR was 12.8 L/(m2·d),time of ultrasonic pretreatment was between 5 min and 20 min. Treatment time of MBR was 7 h and of ultrasonic time was between 5 min and 20 min. Compared with the control treatment, removal rate of COD and NH3-N increased by 11.37%,15.26%,respectively, therefore, ultrasonic pretreatment can improve the ability of MBR in removing COD and NH3-N from landfill leachate. |
| Keywords: | landfill leachate ultrasound MBR COD NH3-N |
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