| 絮凝沉淀-内电解-厌氧生物氧化预处理DDNP废水 |
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| 引用本文： | 王恒鹏. 絮凝沉淀-内电解-厌氧生物氧化预处理DDNP废水[J]. 环境科技, 2014, 0(4): 44-46 |
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| 作者姓名： | 王恒鹏 |
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| 作者单位： | 中煤科工集团沈阳设计研究院有限公司,辽宁 沈阳110015 |
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| 摘 要： | 二硝基重氮酚（DDNP）废水是一种严重污染环境和危害人体健康的难降解工业废水。采用絮凝沉淀-内电解-厌氧生物氧化组合工艺预处理DDNP废水，主要考察了内电解反应的进水pH值、反应时间、铁屑与焦炭的质量比和厌氧池停留时间对DDNP废水CODCr去除效果的影响。小试结果表明：以内电解的进水pH值为3，反应时间为120 min，铁屑与焦炭的质量比为12及厌氧池的停留时间为40 h为最佳工艺条件，在此条件下DDNP废水的CODCr去除率可达82.5%，并显著改善其可生化性。
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| 关 键 词： | 絮凝 内电解 厌氧氧化 |
Treatment of DDNP Wastewater by Coagulation-inner Electrolysis-anaerobic Oxidation Process |
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| WANG Heng-peng. Treatment of DDNP Wastewater by Coagulation-inner Electrolysis-anaerobic Oxidation Process[J]. Jiangsu Environmental Science and Technology, 2014, 0(4): 44-46 |
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| Authors: | WANG Heng-peng |
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| Affiliation: | WANG Heng-peng (China Corel Tchnology and Engineering Group Shenyang Engineering Co.,Ltd., Shenyang 110015, China) |
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| Abstract: | DDNP wastewater is a kind of refractory industrial wastewater, which contaminates ecosystem and damages the human health seriously. The coagulation-inner electrolysis-anaerobic oxidation integrated process was established for treatment of the DDNP wastewater, the effect of influent pH, contacting time, Fe/C volume ratio and HRT of anaerobic reactor on CODCr removal efficiency were investigated. Results showed that the optimal conditions for integrated process were： pH 3, reaction time 120min, Fe/C ratio 2 and HRT of anaerobic reactor 40 h. Under these conditions, the integrated process achieved CODCr removal efficiency 82.5%and improved the biochemical character of DDNP wastewater. |
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| Keywords: | DDNP Coagulation Inner electrolysis Anaerobic oxidation |
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