改进型DATIAT工艺处理城市污水混合液最佳回流比的确定凡广生

35920109ENVIRONMENTALSCIENCEANDMANAGEMENTVol.35No.9Sep．20102010－03－011980－。1674－6139201009－0079－04DAT－IAT121．4500442．150001DAT－IATDAT－IAT40%～50%。DAT－IATX703．1ATheAssuranceoftheBestRefluxCompareofMixedLiquidinImprovementonDAT－IATforMunicipalWastewaterTreatmentFanGuangsheng1WangWei21．DepartmentofChemicalandFoodstuffsofZhongzhouCollegeHenanZhengzhou450044China2．AppraisalCenterforEnvironmentandEngineeringHarbin150001ChinaAbstractThearticleanalyzedtheproblemsofthetraditionalDAT－IATfiledsomenewideastoimprovetheDAT－IATthroughresearchingtheeffectsofdenitrificationandphosphorusremovalindifferentrefluxcomparebyexperimenttheresultsin-dicatedthattheimprovabletrailcouldkeephigherprocessingefficiencywhenthebestrefluxcompareofhybridmixedliquidbe-tween40%～50%。KeywordsDAT－IATdenitrificationandphosphorusremovalrefluxcompare1DAT－IATDAT－IAT1SBRIATNOx－N。DAT。IATBOD/TKNNO－3－N。DAT－IAT。DAT。DAT。2。BOD/TKN·97·35920109·DAT－IATVol.35No.9Sep．2010NO－3－NBOD/TPNO－3－N。。－－。2IATDAT。。DAT3。DATIAT。IATSBR、、。DATDAT。1．2．3．4．5．13A/O、A2/O。A/DAT－IATIATDAT。DAT4。A/DAT－IAT5。DAT。DAT。。DAT20%、40%、50%60%。1。1L/hDAT%IAT%d℃4/2501517～21DATIATHRTh1.51.563111mg/L0.26～0.300.12～0.151.8～2.01.0～1.5·08·35920109·DAT－IATVol.35No.9Sep．2010。。2。2mg/LR＇=20%R＇=40%R＇=50%R＇=60%COD576.4582.7553.5567.359.454.847.661.3/%89.790.691.489.2NH+4－N44.742.646.445.24.383.543.674.70/%90.291.792.189.6TN49.548.450.950.17.134.994.896.11/%85.689.790.487.8TP3.233.463.383.320.620.500.410.45/%80.785.587.886.444．1CODCOD2COD。2COD2CODCOD90%。20%50%COD。60%。。4．234。343420%40%90.2%92.1%60%89.6%。。DATDAT。82%。20%。IAT。20%50%。。60%·18·35920109·DAT－IATVol.35No.9Sep．2010。。40%～50%。4．35。5520%80.7%。。40%～50%86%88%。50%60%87.8%86.4%。DAT。40%～50%。5DAT。。。DAT－IATDAT40%～50%。1《》．．1998276－280．2．SBRDAT－IAT．200012518－23．3．－、、．200465－70．4．A/DAT－IAT．20048332－34．5．SBRDAT－IAT．20013檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳檳殙殙殙殙47－50．2011《》·28·