ZHANGLu.Design Example of a Printing and Dyeing Industrial WWTP to Implement the Local Discharge Standard of Jiangsu Province[J].China Water & Wastewater,2025,41(6):95-101.
执行“江苏省地标”印染工业污水处理厂设计实例
- Title:
- Design Example of a Printing and Dyeing Industrial WWTP to Implement the Local Discharge Standard of Jiangsu Province
- Keywords:
- printing and dyeing wastewater; qualitative processing; intensive design; multi- level reuse
- 摘要:
- 无锡某印染工业污水处理厂一期工程设计规模为5.0×104 m3/d，废水成分复杂，难降解有机物浓度高，出水回用率和回用品质要求高，出水水质需执行江苏省《城镇污水处理厂污染物排放标准》（DB 32/4440—2022）表1中A标准。针对进水水质特点，污水处理厂设计分为高浓度废水和低浓度废水处理系统，采用预处理、生化处理和深度处理单元，出水进行多级回用。针对用地紧张的问题，合理选择处理工艺，优化单体设计，采用集约化、紧凑型布置，减少占地。详细介绍了主要建（构）筑物设计参数，对工程投资和运行成本也进行了分析。
- Abstract:
- The design scale of the first phase of a printing and dyeing industrial wastewater treatment plant (WWTP) in Wuxi, Jiangsu Province is 5.0×104 m3/d. The composition of the wastewater is complex, and the concentration of refractory organic matter is high. While the requirements of effluent reuse rate and quality are high. The effluent quality is required to implement the level A in table 1 of Discharge Standard of Pollutant for Municipal Wastewater Treatment Plant (DB 32/4440-2022) in Jiangsu Province. Based on the characteristics of influent quality, the WWTP is designed into the high concentration and the low concentration wastewater treatment systems. The treatment process adopts pre-treatment, biochemical treatment, and advanced treatment units, and the effluent was reused in multi-level. In response to the tight land use, the processing technology was selected reasonably, the individual design was optimized, intensive and compact layout was adopted to reduce land occupation. The main design parameters of constructures were elaborated and the engineering investment and operating costs were also analyzed.
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