超滤膜在城镇大型水厂升级改造工程中的应用  

Application of UF membrane in upgrading and reconstruction project of urban large-scale waterworks

作　　者：张硕[1] 王如华[1] 蔡报祥[1] 

机构地区：[1]上海市政工程设计研究总院(集团)有限公司,上海200092

出　　处：《工业用水与废水》2015年第3期10-14,共5页Industrial Water & Wastewater

基　　金：水体污染控制与治理科技重大专项(2012zx07403-002);国家科技支撑计划(2012BAJ25B02-01);上海市青年科技启明星计划(B类)资助(13QB1403300)

摘　　要：针对某城镇中心城区超大型水厂原址的升级改造工程,采用外压式超滤膜作为消毒前的精细过滤单元。通过中试试验,分析了膜通量对膜出水水质的影响,优化了工艺参数。设计中,设两段式膜系统回收净水膜反洗废水,并采取较低通量。按模块化和集约化,合理布置出叠合式膜车间。建成通水后,出厂水水质达到GB5749—2006《生活饮用水卫生标准》要求,其中浊度为0.1 NTU,色度为5度,CODMn的质量浓度为1.01 mg/L,氨氮的质量浓度小于0.02 mg/L,总有机碳的质量浓度为1.43 mg/L,三卤甲烷的质量浓度为0.3 mg/L。As a fine filtration unit before sterilization, external pressure UF membrane was applied in an upgrading and reconstruction project of a super large-scale waterworks located in central urban area. Through a pilot scale test, the influence of membrane flux on effluent water quality was analyzed, and then, the technical parameters were optimized. In the design scheme, two-section style system with lower membrane flux was set up to reclaim backwashing wastewater. A superimposition style workshop was arranged rationally accorded with the principle of modularization and intensification. With the accomplishment of the said project, the effluent water characteristics was as follows： the turbity was 0.1 NTU, the chroma was 5 degree, the mass concentrations of CODMn and ammonia nitrogen were 1.01 and lower than 0.02 mg/L respectively, the mass concentrations of total organic carbon and trihalomethane were 1.43 and 0.3 mg/L respectively, which indicated that, the effluent water quality met the requirement of GB 5749-2006 Standards for Drinking Water Quality.

关 键 词：超滤 升级改造 饮用水 两段式 模块化 集约化 

分 类 号：TU991.2[建筑科学—市政工程]