-121.1000122.100029-。、。、。USINGBIOLOGICALCONTACTOXIDATIONANDFILTERINGSEDIMENTATIONPROCESSTOTREATHOSPITALSEWAGEXuHaihong1XuYuewei21.AppraisalCenterforEnvironment&EngineeringMinistryofEnvironmentalProtectionBeijing100012China2.ChinaUrbanConstructionDesign&ResearchInstituteBeijing100029ChinaAbstractCombinedwithengineeringexampletheusageofthebiologicalcontactoxidationandfilteringsedimentationprocessintreatmentofthehospitalsewagewasintroduced.Itwasimprovedthattheoriginalcontactoxidationpondsaredividedintoseveralunits.Oxicoranaerobicenvironmentwasbuiltindifferentunitsthroughcontrollingthequantityofaerationinordertoremovetheorganiccarbonandnitrogenfromthesewagebyaseriesofnitrificationanddentrificationreactions.Bytheaidofthefilteringsedimentationtechnologythebiologicalcontactoxidationandfilteringsedimentationprocesshasaseriesofadvantages.Ithasbeenprovedthatthesewagetreatedthroughthebiologicalcontactoxidationandfilteringsedimentationprocessisuptotherelevantstandardsandtheprocessisaneconomicalandefficienttechnologyforwastewatertreatment.KeywordsthehospitalsewagenitrificationdentrificationbiologicalcontactoxidationfilteringsedimentationCOD、BOD5、。。-。11.1650~800L/·dk=2.0~2.2。12000.8t/·d864m3/d。1.39。1。1/m3·d-1/h·d-1/m3·h-1120024501.2CECS072004《》2。2ρCODρBOD5ρNH3-NρSSpH150~30080~15010~5040~15010000~7000006.5~8.5pH/mLmg/L。1.3GB18466—20056420118294DOI:10.13205/j.hjgc.2011.04.021《》DB44/26—2001《》3。3/·L-1ρCOD/mg·L-1ρBOD5/mg·L-1ρSS/mg·L-1ρNH3-N/mg·L-1/mg·L-1500602020150.522.1、、、、、。、、、、。。-。NH3-N。NH3-N。2.2-。。、。、。。。。、、。2.31。1。12345、。33.15mm、。。3.26h。74201182940.6m3/h。3.39h。3.3.1DO0.5mg/L。NO3-N、NO2-NN2COD、BOD5。3.3.2DO2~3mg/LCOD、BOD5NH3-NNO3-N。3.4。。3.5ClO2ClO2。ClO2。3.6。GB18466—2005。3.712h。。44.120085。、。。“”1。2400mg/Lm∶m∶m=100∶5∶1。4kg0.2kg40g。348h。448h2m3/h。。、。。4.2200862。。4。4。55.184201182944ρCOD/mg·L-1ρBOD5/mg·L-1ρSS/mg·L-1/·L-1ρNH3-N/mg·L-1pH/mg·L-1300150150500000506.0~9.00——250130120—50———/%16.713.320—0————501580—8.5————/%8088—83————3713161000007.6————/%2515808010.6————3713164007.66.5~8.50.4/%00099.9960————602020500106.0~9.00.5CODBOD5。。。5.21PVC。2、。3。1.M.200330-33.2.//J.20021277-78.3.J.2001568-70.4.M.199694-101.5.J.20102868-10.6.M.199325-34.7CECS072004S.8.J.200321152-55.9GB18466—2005S.10DB44/26—2001S.1000128E-mailhaihong99@126.com2010-10-189420118294