ZHAO Jian-zhong,WANG Xue-hua,WANG Hao,et al.Reconstruction and Analysis of a Printing and Dyeing Wastewater Treatment Project in Zhejiang[J].China Water & Wastewater,2020,36(14):134-137.
浙江某印染废水处理工程改造及分析
- Title:
- Reconstruction and Analysis of a Printing and Dyeing Wastewater Treatment Project in Zhejiang
- 作者:
- 赵健忠1，王学华2，王浩1，余洁1
- (1.江苏中升太环境技术有限公司，江苏苏州215011；2.苏州科技大学环境科学与工程学院，江苏苏州215011)
- Author(s):
- ZHAO Jian-zhong1,WANG Xue-hua2,WANG Hao1,YU Jie1
- (1. Jiangsu Zhongshengtai Environmental Technology Co. Ltd., Suzhou 215011, China; 2. School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215011, China)
- 摘要:
- 介绍了浙江某印染厂废水处理工程改造的工艺流程、技术参数、运行成本及实施效果。改造工程主要采用物化+推流式生化系统+砂滤+反渗透处理工艺，在系统平均进水COD、色度、电导率分别为2 300 mg/L、337倍、3 335 μS/cm的情况下，系统平均产水COD、色度、电导率分别为16.75 mg/L、6.25倍、116.75 μS/cm，满足印染工艺回用标准，回用率达到60%。该工艺处理成本(电费+人工费+药剂费+污泥处置费+设备维护费）为2.552元/m3，具有处理技术可靠、运行稳定、易于维护等特点。
- Abstract:
- The technological process, parameters, operation cost and effect of a printing and dyeing wastewater treatment project in Zhejiang were introduced. The combined process of physio-chemistry, plug flow biochemical system, sand filtration, and reverse osmosis (RO) was used in the reconstruction project. The average effluent concentrations of COD, chroma and electrical conductivity were 16.75 mg/L, 6.25 times, 116.75 μS/cm respectively, with average influent concentrations of 2 300 mg/L, 337 times, 3 335 μS/cm respectively, which could meet the reuse standard of dyeing and printing process. The recycling rate of wastewater reached over 60% and the treatment cost including electricity, labor, chemicals, sludge disposal and equipment maintenance cost was about 2.552 yuan/m3. It had the characteristics of reliable processing technology, stable operation, easy maintenance and etc., which showed good practical application value.
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