SUFR系统在低温影响下处理效果的试验分析

,,.SUFR[J].,2005,25(4):512-518LUOGuyuan,JITiejun,DOUJunfeng.LowtemperatureeffectsonbiologicalnutrientremovalinspiralupFlowreactorsystem[J].ActaScientiaeCircumstantiae,2005,25(4):512-518SUFR罗固源*,季铁军,豆俊峰重庆大学三峡库区生态环境教育部重点实验室,重庆400045:(8~20)(SpiralUpFlowReactor,SUFR).SUFR,(COD)TN,(COD)TN86%70%.TP92%..,.,SUFR..:;;;;:02532468(2005)04051207,:X7031,:ALowtemperatureeffectsonbiologicalnutrientremovalinspiralupFlowreactorsystemLUOGuyuan*,JITiejun,DOUJunfengKeylaboratoryoftheThreeGorgeReservoirRegionsEcoEnviroment,MinistryofEducation,ChongqingUniversity,Chongqing400045Abstract:Overalleffectsoflowtemperaturesbetween8and20ontheSpiralupflowreactor(SUFR)systemwereanalyzed.TheresultsoftheoperationunderpsychrophilicconditionshowedthattheremovalefficienciesofCODandTNwerekeptover86%and70%,whereastheremovalefficienciesdecreasedwithlowertemperature.TPremovalefficiencywasalwaysupto92%atlowtemperatures.AndactivatedsludgeoftheSUFRsystematlowtemperaturescouldhardlybecompressedandsettled.Althoughnoanycontrolmethods,thesludgesettleabilitywasrecoveredquickly.ItwasindicatedthatthenegativeeffectsoflowtemperaturewerecompensatedbythecharacteristicoftheSUFRsystem,whichwassimilartoplugflowreactor.TheoptimaltemperaturerangeoftheSUFRsystemappearedwidelyapplicablefield.Keywords:SpiralUpFlowReactor;lowtemperatureeffect;biologicalnitrogenandphosphorsremoval;plugflow;characteristicsofthesludge:20040418;:20040903:(50378095);!(2001BA01-03-01):(1944∀),,(),[e-mail];*().,.[1],,,.[2],,15,.[3],,15~35.,Shaprio[2],,.D.Baetens[4]SBR,15~20,.,.[5]CASS,..,,.,,.,,.25420054ACTASCIENTIAECIRCUMSTANTIAEVol.25,No.4Apr.,2005UCT(UniversityofCapetown),!(SpiralUpFlowReactor,SUFR).[6]:,..SUFR(20).111试验装置SUFR[6].SUFR,.,[6].15cm15cm9cm.,.,13cm,120cm,16L;19cm,85cm,24L;19cm,160cm,45L.:9L#h-1;150%;200%~250%;50%~80%;SRT=20d.12试验水质及分析方法KH2PO4.(COD)60%,1.1Table1SyntheticwastewatercompositionandanalysismethodCODCr(mg#L-1)PO3-4P(mg#L-1)TP(mg#L-1)NH+4N(mg#L-1)TN(mg#L-1)pH260~35032~6652~7527~3635~5568~72328546532467HACHCOD()PHS3C221低温影响下SUFR系统对耗氧有机物(以COD计)的去除1(COD).1,,COD260~350mg#L-1,COD10~36mg#L-1,(COD)88%~96%.,208,COD38mg#L-1103mg#L-1,COD22mg#L-154mg#L-1,(COD)6mg#L-137mg#L-1.22低温影响下SUFR系统对总氮及氨氮的去除2.2,35~55mg#L-1,2~95mg#L-1,06~48mg#L-1.208,95%70%,99%74%.23低温影响下SUFR系统对磷的去除3.3,52~75mg#L-1,1(COD)Fig.1TemperatureeffectsonCODremoval2Fig.2TemperatureeffectsonTNandNH3Nremoval5134:SUFR007~036mg#L-1,013mg#L-1.92%.3,208,,21mg#L-18mg#L-1.3Fig.3Temperatureeffectsonphosphorusremoval24低温影响下SUFR系统污泥特性的变化SUFR(SettlingVelocity,SV)(SludgeVolumeIndex,SVI)4.4,20,SVI104~128.8~12,SVI350.4(SV)(SVI)Fig.4TemperatureeffectsonSVandSVISUFR,,5.5,SUFR.5SUFRFig.5ThemicroscopeobservationofmicroorganismsinSUFRsystematdifferenttemperatures331低温对SUFR系统耗氧有机物(以COD计)去除效果影响的分析SUFR(COD),COD.,,.,,(COD).1,SUFR,(COD)86%.[7],(EGSB)16~19,(COD)34%.12~15,51425(COD)70%[8].[9]HUSB+EGSB,12,(COD)51%.CASS,(COD)85%[5].,(COD),SUFR.,.!,[6],(COD).32低温对SUFR系统脱氮效果影响的分析321温度对硝化的影响的分析6.6,,12,..6,,SUFR78%,5mg#L-1.[2],15,,.[10]A2O(12~16),20~30mg#L-1,5mg#L-10~29%.,SUFR12,.12,.,SUFR.SUFR,..322温度对反硝化的影响7.7,.:,[3];,,;,(COD),[11].6Fig.6Temperatureeffectsonnitrificationrates7Fig.7Temperatureeffectsondenitrificationrates,8~9,SUFR,70%.[3],10.,SUFR..Arrheius:qD,T=qD,20K(T-20)(1):qD,TT;qD,2020;K.7,,:lnqD,T=014T-22642(R2=09955)(2)(1)K=115.33温度对除磷效果影响的分析SUFR,.52~75mg#L-1,892%,05mg#L-1.[12],5154:SUFR(A2O)54%.Phoredox70%~80%.AO(10~17)[2],30~32mg#L-1,04~08mg#L-1.,SUFR.[2]:...3,SUFR,,.,,8.8SUFRFig.8TemperatureeffectsonPreleaseandPuptake8,10~20,,,..10,.,,.,812.9,70%.,.[13,14],15~20,20%,.10,,..Christine[14],,.,SUFR(DenitrifyingPhosphorusRemovingBacteria,DPB).SUFR[6],.34低温对污泥特征影响的分析341低温对污泥稳定性和颗粒性影响的分析5,,.,,.,SVSVI,,.,9.9SUFRFig.9ThemicroscopeobservationofthesludgeinSUFRsystematdifferenttemperatures9,SUFR,.,,.,,.[15],19982,10.SBR[16]CASS[5],.SUFR,,14d.,.:1),,,.2).SUFR51625,,.3)SUFR.342低温对污泥的微生物生态影响的分析,..,,,(5)..,,.[17].SUFR,,.,.SUFR..41)SUFR.12,.12,.,(COD)TNTP86%70%92%.SUFR.2)SUFR.,SUFR,,.,SUFR.3)SUFR(8~20).SUFR.(References):[1]PengYZ,ZhangZJ.Newresearchfortemperatureandsludgeageeffectsontheactivatedsludgeprocess[J].ChinaEnvironmentScience,1990,10(1):3∀9(inChinese)[2]ZhengXC,LiYX.Technologyofnitrogenandphosphorsremovalfromwastewater[M].Beijing:ChinaArchitecture&BuildingPress,1998:55∀56;43∀44;206∀210;221∀250(inChinese)[3]XuYT.TheinfluenceofpHvaluesandtemperatureondenitrification[J].ChinaEnvironmentScience,1994,14(4):309∀313(inChinese)[4]BaetensD,VanrolleghenPA,VanLoosdrechtMCM,etal.Temperatureeffectsinbiopremoval[J].WatSciTech,1999,39(1):215∀225[5]SangYM,YiW.ApplicationofCASSprocesstohypothermaldomesticsewagetreatment[J].EnvironmentEngineering,2002,20(2):16∀18(inChinese)[6]LuoGY,DouJF,JiFY.Studyonthecharacteristicofspiralupflowreactorsystemanditsperformanceonbiologicalnitrogenandphosphorus[J].ActaScientiaeCircumstantiae,2004,24(1):15∀19(inChinese)[7]ChuLB,YangFL,ZhangWX.Progressinanaerobictreatmentoflowstrengthwastewaterunderpsychrophilicconditions[J].TechniquesandEquipmentforEnvironmentPollutionControl,2003,4(4):61∀65(inChinese)[8]WenC,HuangX,QianY.Dom