强化生物除磷系统除磷性能分析

强化生物除磷系统除磷性能分析INDUSTRIALWATER＆WASTEWATER工业用水与废水Vo1．41No．6Dec．．2010⋯⋯⋯⋯⋯‘’‘一’⋯5废水处理及回用：∞¨⋯㈨⋯<)．强化生物除磷系统除磷性能分析许艳梅，孙力平，蔡丽梅(天津城市建设学院环境与市政T程系，天津300384)摘要：采用厌氧／好氧和厌氧／缺氧两阶段方法培养反硝化聚磷茵．研究了第一阶段系统的除磷性能。结果表明，稳定运行的强化生物除磷系统，具有良好的除磷性能，出水磷的质量浓度小于0．5ing／L，除磷率大于93％。通过厌氧／好氧交替方式运行．反硝化聚磷菌占聚磷菌的比例约为21．2％缺氧段硝酸盐的消耗量与磷的摄取量成线性关系．缺氧吸磷速率约为好氧吸磷速率的49_3％关键词：聚磷菌：反硝化聚磷菌：好氧吸磷：缺氧吸磷中图分类号：X703．1文献标识码：A文章编号：1009—2455(2010)06—0028—04AnalysisofphosphorusremovalperformanceofEBPRsystemXUYan—mei，SUNLi—ping，CAILi—meitDepartmentEnvironmentandMunicipdEngtneering,TianjinInstituteofUrbanConstruction，Tianjin300384,ChinaAbstract：Two—stagemethodofanaerobic／aer0hicandanaer0hi(!／an0xicwasusedtocultivatedenitrifyingphosphateaccumulatingbacteria，andthephosphorusremovalperformanceofEBRPsystematfirststagewasstudied．Theresultsshowedthat，astableoperatingEBPRsystemhadagoodphosphorusremovalperformance，theefluentphosphorusconcentrationwaslowerthan0．5mg／L，andtheremovalratewasabove93％．Theproportionofdenitrifyingphosphateaccumulatingbacteriatophospho