HONG Wei,LIANG Shi-hua,ZHUANG Hui-dong,et al.Design and Operation Effect of Nitrobenzene Wastewater Treatment Project[J].China Water & Wastewater,2020,36(24):160-163.
硝基苯废水处理工程设计及运行效果
- Title:
- Design and Operation Effect of Nitrobenzene Wastewater Treatment Project
- 摘要:
- 采用电化学还原+三段式生化+改良型芬顿组合工艺处理硝基苯废水，介绍了工艺流程、主要工艺设计参数，以及对主要污染物的去除效果。工程运行结果表明，该工艺对硝基苯废水处理效果好、费用低，且具有显著的抗冲击性能。该工程在进水主要污染物指标均值COD为1 159 mg/L、SS为75 mg/L、硝基苯为96.6 mg/L、色度为650倍、pH值为9.4、NH3-N为26 mg/L、TN为960 mg/L的情况下，处理出水主要污染物指标均值COD为42 mg/L、SS为7 mg/L、硝基苯为0.3 mg/L、色度为15倍、pH值为6.6、NH3-N为1 mg/L、TN为10 mg/L，满足山东省《流域水污染物综合排放标准 第1部分：南四湖东平湖流域》（DB 37/3416.1—2018）要求。
- Abstract:
- The combined process of electrochemical reduction, three-stage biochemical treatment and modified Fenton was used to treat the nitrobenzene wastewater. The process flow, main design parameters, and the removal effect of major pollutants are summarized. The engineering operation results show that the process has good treatment effect on nitrobenzene wastewater, low treatment cost, and significant impact resistance. In this project, the average influent COD, SS, nitrobenzene, chroma, pH,NH3-N and TN are 1 159 mg/L, 75 mg/L, 96.6 mg/L, 650 times, 9.4, 26 mg/L, and 960 mg/L, respectively. The average effluent COD, SS, nitrobenzene, chroma, pH, NH3-N and TN are 42 mg/L, 7 mg/L, 0.3 mg/L, 15 times, 6.6, 1 mg/L, and 10 mg/L respectively, which meet the requirements of Integrated Wastewater Discharge Standard for Basin Part 1: Nansi Lake and Dongping Lake Basin (DB 37/3416.1-2018) in Shandong Province.
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