CAJ | 학술논문

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GB 5749-2006《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。
침대모성진중심성구초대형수엄원지적승급개조공정，채용외압식초려막작위소독전적정세과려단원。통과중시시험，분석료막통량대막출수수질적영향，우화료공예삼수。설계중，설량단식막계통회수정수막반세폐수，병채취교저통량。안모괴화화집약화，합리포치출첩합식막차간。건성통수후，출엄수수질체도GB 5749-2006《생활음용수위생표준》요구，기중탁도위0.1 NTU，색도위5도， CODMn적질량농도위1.01 mg/L，안담적질량농도소우0.02 mg/L，총유궤탄적질량농도위1.43 mg/L，삼서갑완적질량농도위0.3 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.