城市污水处理技术及其发展

UrbanSewageTreatmentTechnologiesandTheirDevelopment704200031AbstractThispaperintroducescommonlyusedtechnologiesofurbansewagetreatmentincludingtheirtheories,features,technicalprocesses,maindesignparameters,advantagesanddisadvantages,etc.Someengineeringexamplesareintroduced.Thepaperalsogivessomenewtypesofsewagetreatmenttechnologies.Keywordsurbansewage,technique,engineeringexamples,newtechnologies1211192.119149011[1]19842.6105m3/d8879BOD50.225kg/kgd845m19841992BOD588.5%CODcrSS85%TN24%TP37%A/OA/O-A/O22A/O[2]19935.0105m3/d512A/O7514.5m1250m623.5m820mBOD520mg/lSS30mg/lA2/OA2/O//A2/O3[3]19925104m3/d0.76h2.37h3.02hBOD593.9%Dcr90.8%SS91.3%TN48.3%TP52.1%3A2/O2.4A/BA/B(AbsorptioBio-degradation)Bohnke70AB80A/BA/B44A/B[4]19921.4105m3/dA4.5kg/kgd36min250m1.491.842.4hB4.5kg/kgd6.26h450m0.740.924.7hBOD590%CODcr86%SS90%TN30%2.5SBRSBRSequencinBatchReactorActivatedSludgeProcessBA4020033SBRSBRSBRSBR(1)(2)(3)DOBOD5(4)SBR(5)(6)SBRSBR55SBR[5]19957104m3/d420010h4SBR120605.2m36hBOD589.2%SS83.3%NH3-N48.7%2.65066[6]19911.0105m3/d3.0210711min498733.5m0.055kg/kgd14.5hBOD595%CODcr89%SS94%TN62%TP53%2.7MBRMBRMembraneBioreactor70MBRMBRMBR77MBRSBRMBR2003341[7]200020m3/d6m38090m3/h0.4m96m213min2minBOD598%CODcr80%83%NH3-N93%98%33.1TiO2CdS3.213.3SCWO374225CO2H2O3.4[8]45[1][J].199514851199524445.[2][J].199332728.[3][J].1993112630.[4]A/B[J].95659.[5]IDEA[J]1996112627.[6][J].199231822.[7]-J2001915.[8]J2001427