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| 膜生物反应器（MBR）处理垃圾渗滤液的脱氮研究 | |
| 引用本文： | 欧阳科,黎丽华,陈媛,谢珊.膜生物反应器（MBR）处理垃圾渗滤液的脱氮研究[J].生态环境,2011,20(4):706-710. |
| 作者姓名： | 欧阳科 黎丽华 陈媛 谢珊 |
| 作者单位： | 1. 广东省五邑大学化工与环境工程学院,广东江门,529020 2. 深圳市宗兴环保科技有限公司,广东深圳,518172 3. 广东省江门市碧源污水治理有限公司,广东江门,529020 |
| 基金项目： | 国家自然科学基金项目，广东省高校优秀青年创新人才项目 |
| 摘 要： | 采用一体式MBR处理垃圾渗滤液,系统考察MBR对COD、NH4＋-N和TN的去除效果。结果表明：可将垃圾渗滤液的COD降至650-1 500 mg·L-1范围;在HRT为1.5 d、DO为0.75-1.20 mg·L-1、不排泥条件下运行时,对TN质量浓度低于2 300 mg·L-1、容积负荷低于0.25 kg.m-3.d-1（以N计）的渗滤液进行处理,MBR对NH4＋-N与TN的去除率可分别达到87%和72%以上。在MBR处理垃圾渗滤液的运行中发现,膜的污染速度较快,并且呈现＂两段性＂的规律,采用碱＋氧化剂的清洗方式可有效去除膜污染,降低过膜压力。 |
| 关 键 词： | 膜生物反应器 同步硝化反硝化 垃圾渗滤液 膜污染 |
Treatment of landfill leachate by simultaneous nitrification and denitrification in submerged membrane bioreactor |
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| OUYANG Ke,LI Lihua,CHEN Yuan,XIE Shan.Treatment of landfill leachate by simultaneous nitrification and denitrification in submerged membrane bioreactor[J].Ecology and Environmnet,2011,20(4):706-710. | |
| Authors: | OUYANG Ke LI Lihua CHEN Yuan XIE Shan |
| Institution: | OUYANG Ke1*,LI Lihua2,CHEN Yuan3,XIE Shan1 1.School of Chemical and Environmental Engineering,Wuyi University,Jiangmen 529020,China,2.Shenzhen Zongxing Environmental Protection Technology Co.,Ltd.Shenzhen 518172,3.Jiangmen BiYuan Sewage Treatment Plant |
| Abstract: | The removal efficiencies of COD, NH4＋-N and TN （total nitrogen） from landfill leachate were investigated by using MBR. Results showed that at the conditions of without sludge discharge, hydraulic retention time （HRT） of 1.5 d, the TN concentration below 2 300 mg/L, the TN volumetric loading below 0.25 kg.m-3.d-1（N）, DO concentration of 0.75-1.20 mg.L-1, the removal efficiencies of NH4＋-N, TN maintained above 87% and 72% respectively. During the operation in treating landfill leachate, membrane fouling occurred and became significantly in MBR process, and characterized with two stages pattern, due to the higher concentration of soluble organic matters in the landfill leachate. With alkali ＋ oxidizer cleaning, the trans-pressure of membrane dropped off effectively. |
| Keywords: | MBR SND landfill leachate membrane fouling |
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