超声协同控制污水厂紫外消毒出水大肠杆菌光复活的实验研究

超声协同控制污水厂紫外消毒出水大肠杆菌光复活的实验研究第26卷第6期2007年12月声学技术TechnicalAcousticsV01．26，No．6Dec．，2007ExperimentalstudyofultrasoniccollaboratingCOactioncontrollingE·coil7SCO-actiononCOilSphotoreactivation·’DnotoreaCtlVatlOnafterultravioletdisinfectioninwastewatertreatmentplantZHANGSheng—hual’。，wUChun-dul，JINHui-zhen93(1．DepartmentofEnvironmentEngineering，PingdingshanInsitituteofTechnology，Pingdingshan467044，Henan；2。SchoolofEnvironment，JiangsuUniversity，Zhenjiang212013，J／angsu；3。HenanBuildingEngineeringSchool，Zhengzhou450000，Henan，China)Abstract：MicroorganismscallphotoreactivateafterultravioletradiationontheeffluentfromWWTP．Theeffectofultrasonicco-actiononcontrollingE．coli’SphotoreactivationafterUVdisinfectionisstudiedinthisessay．ItisfoundthatthereisagoodlinearrelationshipbetweenUVirradiationdoseandE．coli7Sinactivationrate，andtheinterrelatedcoefficientis0．99．WhenUSco-actiononUVaspretreatment，E．coli’Sphotoreactivationratecalldecreaseby59％withthesameenergyconsumption，whileenergyconsumptioncalldecreaseby50％