| 应用络合沉淀-化学氧化组合工艺处理高浓度含氰农药废水 |
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| 引用本文： | 陆雪梅,陈雷,徐炎华. 应用络合沉淀-化学氧化组合工艺处理高浓度含氰农药废水[J]. 环境工程学报, 2009, 3(3): 391-394 |
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| 作者姓名： | 陆雪梅 陈雷 徐炎华 |
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| 作者单位： | 南京工业大学环境学院,南京,210009;南京工业大学环境学院,南京,210009;南京工业大学环境学院,南京,210009 |
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| 基金项目： | “十一五”国家科技支撑计划项目（2006BAC02A15）；江苏省省级环保科技项目（2007021） |
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| 摘 要： | 由于氰化物的剧毒性以及农药废水的难生物降解性，含氰农药废水的治理难度较大。从工程应用的角度出发，在小试实验研究的基础上，确定了处理污染物含量高、难生物降解含氰农药废水的组合工艺流程为：FeSO4络合沉淀→H2O2催化氧化→ClO2深度氧化。组合工艺流程处理效果好，操作方便，出水水质稳定。研究结果表明，当FeSO4加入量为理论计算值的1.3倍、3％H2O2和ClO2投加量分别为24 mL/L和200 mg/L时，废水中CN-离子的总去除率高达99.99％以上，COD总去除率达到99%。组合工艺不仅适用于处理高浓度含氰农药废水，而且也能为高浓度、难降解有机废水的治理提供有益的参考。
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| 关 键 词： | 高浓度 含氰农药废水 处理工艺 络合沉淀 化学氧化 |
Treatment of high-concentration cyanide-containing pesticide wastewater with a combined process of complexation precipitation and chemical oxidation |
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| Lu Xuemei,Chen Lei and Xu Yanhua. Treatment of high-concentration cyanide-containing pesticide wastewater with a combined process of complexation precipitation and chemical oxidation[J]. Techniques and Equipment for Environmental Pollution Control, 2009, 3(3): 391-394 |
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| Authors: | Lu Xuemei Chen Lei Xu Yanhua |
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| Affiliation: | College of Environment;Nanjing University of Technology;Nanjing 210009 |
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| Abstract: | It is very difficult to treat high-concentration cyanide-containing pesticide wastewater because of its toxic and refractory nature.An efficient combined process,i.e.,complexation precipitation followed by H2O2 oxidation and ClO2 extensive oxidation,was developed in the present study through lab-scale tests to treat the cyanide-containing pesticide wastewater.The experimental results show that the removal rates of CN-and COD were above 99.99% and 99%,respectively.The results of the experiments show that the... |
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| Keywords: | high-concentration cyanide-containing pesticide wastewater treatment process complexation precipitation chemical oxidation |
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