JI Jianhong*,ZHUANG Huisheng.Treatment for Printing and Dyeing-Electroplating Mixed Wastewater by a Variety of Physicochemical and Biochemical Combined Processes[J].Plating & Finishing,2021,(10):51-54.[doi:10.3969/j.issn.1001-3849.2021.10.010]
多种物化生化组合工艺处理印染电镀混合废水
- Title:
- Treatment for Printing and Dyeing-Electroplating Mixed Wastewater by a Variety of Physicochemical and Biochemical Combined Processes
- Keywords:
- printing and dyeing wastewater electroplating wastewater mixed wastewater combined process
- 文献标志码:
- A
- 摘要:
- 通过“混凝+预处理曝气+预处理沉淀+A2/O生化法+物化”组合工艺对污水处理厂废水进行处理，对COD、TP、TN、NH3-N等测定数据进行分析，评价污水处理厂运行效果。结果表明：COD、TP、TN、NH3-N的平均去除率分别为97 %、96 %、70 %、97 %，出水各项指标的平均值分别为：COD浓度为46 mg/L、TP浓度为0.06 mg/L、TN浓度为8 mg/L、NH3-N浓度为0.6 mg/L，出水满足《城镇污水处理厂污染物排放标准》（GB 18918-2002）中的一级A标准要求，在进水浓度低于设计值的情况下，出水污染物浓度不易受进水量增加的影响。
- Abstract:
- The combined process of "coagulation + pretreatment aeration + pretreatment sedimentation + A2/O Biochemical Method + physicochemical" was used to treat wastewater from wastewater treatment plant. The determination data of COD, TP, TN and NH3-N were analyzed to evaluate the operation effect of wastewater treatment plant. The results showed that the average removal rates of COD, TP, TN and NH3-N were 97 %, 96 %, 70 % and 97 %, respectively. The average values of effluent indexes were as follows: COD concentration was 46 mg/L, TP concentration was 0.06 mg/L, TN concentration was 8 mg/L, and NH3-N concentration was 0.6 mg/L. The effluent meets the requirements of class A standard in the Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant （GB 18918-2002）. When the influent concentration was lower than the design value, the effluent pollutant concentration was not easily affected by the increase of inflow.
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备注/Memo
收稿日期： 2020-06-18；修回日期： 2020-10-12
通信作者： 计建洪，email：260322578@qq.com
基金项目： 江苏省现代职业教育提升计划项目（2020-TSZY-B-H-02）