| 混凝-电催化氧化深度处理垃圾渗滤液 |
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| 引用本文： | 崔丽,许涛,李虹翰,张立宝,梁吉艳.混凝-电催化氧化深度处理垃圾渗滤液[J].沈阳工业大学学报,2005,42(4):407-411. |
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| 作者姓名： | 崔丽 许涛 李虹翰 张立宝 梁吉艳 |
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| 作者单位： | 沈阳工业大学 理学院, 沈阳 110870 |
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| 基金项目： | 辽宁省重点研发计划项目(2017308002) |
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| 摘 要： | 为了有效减少垃圾渗滤液对环境造成的危害,采用不同混凝-电催化氧化工艺对垃圾渗滤液进行深度处理.利用单因素法分别探究了不同混凝方法、电极类型、电极间距、电流密度等影响因素对垃圾渗滤液的处理效果.采用Ti/Ru-Ir电极对垃圾渗滤液进行Ca(OH)2+PAM+FeCl3混凝预处理.结果表明,在电流密度为20 mA/cm2、电极间距为20 mm且反应时间为4 h条件下,COD、氨氮去除率较高.混凝-电催化氧化工艺可以有效深度处理垃圾渗滤液.
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| 关 键 词： | 垃圾渗滤液 混凝 电催化氧化 深度处理 高浓有机废水 电化学 Ti/Ru-Ir电极 Ti/PbO2电极 |
Advanced treatment of landfill leachate by coagulation-electrocatalytic oxidation |
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| CUI Li,XU Tao,LI Hong-han,ZHANG Li-bao,LIANG Ji-yan.Advanced treatment of landfill leachate by coagulation-electrocatalytic oxidation[J].Journal of Shenyang University of Technology,2005,42(4):407-411. |
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| Authors: | CUI Li XU Tao LI Hong-han ZHANG Li-bao LIANG Ji-yan |
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| Affiliation: | School of Science, Shenyang University of Technology, Shenyang 110870, China |
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| Abstract: | In order to effectively reduce the environmental damage caused by landfill leachate, the advanced treatment of landfill leachate was carried out by a coagulation-electrocatalytic oxidation process. The treatment effects of different coagulation methods, electrode types, electrode spacing, current density and other influencing factors on the landfill leachate were studied by a single factor method. The landfill leachate was subjected to the pre-treatment by Ca(OH)2+PAM+FeCl3 coagulation, and Ti/Ru-Ir electrode was used. The results show that under the condition of current density at 20 mA/cm2, 20 mm electrode spacing and reaction time for 4 h, the removal rates of COD and ammonia nitrogen are higher. The coagulation-electrocatalytic oxidation process can accomplish the advanced treatment of landfill leachate effectively. |
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| Keywords: | landfill leachate coagulation electrocatalytic oxidation advanced treatment high concentration organic wastewater electrochemistry Ti/Ru-Ir electrode Ti/PbO2 electrode |
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