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为及时发挥千岛湖配水工程效益,R水厂启动扩建工程,新建40×10~4m~3/d预处理、20×10~4m~3/d常规处理和40×10~4m~3/d超滤膜深度处理构筑物。介绍了R水厂扩建工程工艺流程和浸没式超滤膜系统的设计。一期工程预处理由生物接触氧化调整为预臭氧工艺,末端增加浸没式超滤膜系统;扩建工程设计采用“预臭氧+平流沉淀、炭砂滤池+浸没式超滤膜”组合净水工艺。设计出水水质目标优于《生活饮用水卫生标准》(GB 5749—2006)。
In order to promptly use the benefits of the Qiandao Lake water distribution project, the R water plant started the expansion project, and newly built 40×10~4m~3/d pretreatment, 20×10~4m~3/d conventional treatment and 40×10~4m~3/d Ultrafiltration membrane advanced treatment structures. The design process of the R water plant expansion project and the design of the submerged ultrafiltration membrane system were introduced. The pre-treatment of the first phase of the project is adjusted to the pre-ozone process by biological contact oxidation, and the submerged ultrafiltration membrane system is added at the end; the expansion project is designed using a combination of “pre-ozone + advection precipitation, carbon sand filter + submerged ultrafiltration membrane”. Water craft. The effluent water quality target is better than the Hygienic Standard for Drinking Water (GB 5749-2006).