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UNITANK、吴华明1 印 宏2 李 峰1 吕锡武2(1.,210008;2.,210096) UNITANK,,。 UNITANK ImprovingtheremovalefficiencyofnitrogenandphosphorousbyUNITANKprocessWuHuaming1 YinHong2 LiFeng1 LuXiwu2(1.NanjingMunicipalEngineeringDesignandResearchInstitute,Nanjing210008;2.DepartmentofEnvironmentalEngineering,SoutheastUniversity,Nanjing210096)Abstract TreatmentofmunicipalwastewaterbyUNITANKprocesswasstudiedinthispaper.Lengthsofbothmainphaseandintermediatephasewereinvestigatedtofigureouttheireffectsontheremovalratesofphosphorousandnitrogen.Proposalsareputforthonthecontrolofphosphorousreleaseanddenitrificationthroughoxidation-reductionpotential.Keywords UNITANKprocess;lengthofmainphase;lengthofintermediatephase;phosphorousre-moval;nitrogenremoval;oxidation-reductionpotential1 UNITANKINTERBREWK.U.Leuven。1989,1995,UNITANK[1]。UNITANK。3,3。,。、(bioscan-biomaster),,、[2]。UNITANK、、[1,2]。,,[3]UNITANK,,,UNITANK。UNITANK,,。1 UNITANK1、2、3.UNITANK;4.;5.;6.;7.PLC;8.;9.;10.;11.;12.;13.;14.;15.2 2.1 1。UNITANK,3,200mm×200mm×450mm,42L。310Vol.3,No.10200210TechniquesandEquipmentforEnvironmentalPollutionControlOct.20026,1※1※1※2※2※2。33(2)。2 UNITANK2.2 ,,1。,。1 ()COD(mg/L)134.60—261.54205.50BOD5/COD0.37—0.510.46TP(mg/L)3.95—7.545.38NH+4-N(mg/L)41.83—77.1354.13pH7.0—7.87.63 3.1 3210min、120min90min,30min60min。12h,4—9℃,25—30d,0.29—0.52kgCOD/m3·d。CODTP3。COD,TP。,TP。TP,。210min、120min90min0.64、0.500.43。。,,,[4]。,UNITANK,(VFA),。,,。,,。,,。3 ,COD,TP。3NH+4-N。3.2 ,NH+4-N,:(1);(2);(3)。,,40—50d,18—25℃。DO3.0—4.0mg/L,HRT12h,UNITANKMLSS3500mg/L。60min、90min、120min150minNH+4-NTP。90min60min。4NH+4-NTP7310:UNITANK、4 。TP,90min81.6%,90minTP。NH+4-N,,60min,NH+4-N80.8%,150min97.4%。,120min,,,150min。COD20—30mg/L,,,。,。90min81.6%TP86%NH+4-N。120min。5 UNITANKORP3.3 UNITANKORP5UNITANKORP。,,ORP,90minORP,。ORP,。ORP。,,,,ORP-170mV0mV。ORP50mV,。4 UNITANK。TP。,90min81.6%TP86%NH+4-N。120min。、90min、90min60min。ORP。,ORP,ORP。ORP,ORP、NH+4-N、,//,。[1]SEGRERSENGINEERINGWATER.UNITANK-Ad-vancedtreatmentofindustrialandmunicipalwastewater,1996[2]SEGRERSENGINEERINGWATERNV.UNITANK-,1997[3],,UNITANK.,2002,28(3):1—4[4],..:,1998(责任编辑:刘 颖)743