抚顺污水处理厂活性污泥培养驯化与启动调试王长生

,,。12,,,4.12～7.37mg/L,5.22mg/L,。,,,。,3mg/L,200231727.54mg/L,7.37mg/L,,。,、,。,,,。5　、,,。,、、、。⊙:61008111　:[phone]　(0)13980019981　　　:2002-8-12王长生　傅金祥　张　萍　赵玉华　　　抚顺污水处理厂是目前国内外已经投产、规模最大的采用DAT-IAT工艺的城市污水处理厂。在活性污泥培养驯化和启动调试过程中,有效地解决了低气温、低水温、进水营养源不足、污泥上浮和设备故障等问题。采用流态连续形方法,在平均气温为6.5℃,反应器中水温11～13℃的低温不利条件下,成功地进行了DAT-IAT工艺污水处理厂的活性污泥培养驯化和启动调试。培养驯化周期30d左右,活性污泥絮体基本形成。出水BOD为5.4～12.8mg/L,去除率为77.6%～95.2%;COD为39～94.5mg/L,去除率为29.5%～86.3%;SS为9～19mg/L,去除率为64.7%～91.5%;NH3-N为2.5～3.3mg/L,去除率为90%;TP为1.1～1.2mg/L,去除率为64.7%～67.6%。各项出水水质和能耗等指标达到了或优于设计目标。　污水处理　DAT-IAT工艺　SBR工艺　活性污泥培养驯化　污水处理厂启动调试　抚顺市0　(“”)“”———,。50m3/d,,SBRDAT-IAT(De-mandAerationTank-IntermittentAerationTank)。25m3/d,14.46hm2,44%;5600kW,4400kW,3620,0.4/m3。、、20,70%,30%。2.5,1.16　Vol.29　No.4　2003DOI:10.13789/j.cnki.wwe1964.2003.04.003。200112,200214,422,5,6,11。、DAT-IAT,,。,DAT-IAT,,,DAT-IAT。1　1.1　(1)。1　1.2　DAT-IAT,SBR,,SBR,。DAT-IATDATIAT,。DAT,,IAT;IAT,,,IAT。SBR,、、、5。(1)。DAT,IAT。DAT-IAT,SBR,,。(2)。。DAT,。DAT,DATIAT,IAT1h。DAT-IAT,,,,,。IAT,2h,200%,IATDAT,DATDAT。(3)。IAT,1h,。DATIAT,IAT,,SBR。,10min15min,。(4)。IAT1h,,,,,,1h,,。1h,15min,35min,10min()。(5)。IAT,,。10min。DAT-IATPLC。1.3　:25m3/d。:BOD190mg/L,COD450mg/L,SS204mg/L,NH3-N30mg/L。:BOD25mg/L,COD100mg/L,SS25mg/L,NH3-N15mg/L。F/M:0.085kgBOD/(kgMLSS·d)。HRT:DAT7.46h,IAT3.11h,10.57h。IAT3h,、1h。DAT-IAT174960m3,9;DAT8640m3,IAT10800m3。2　7　Vol.29　No.4　20032.1　DAT-IAT,。(1)。DAT-IAT,PLC,DAT,,IAT,,。IAT。,MLSS,。,,;PLC,;。。(2)。DAT-IAT,,“”。2～3d,,1h,。,、,MLSS1000mg/L,,,,。,MLSS,。。;,。,。2.2　:BOD50～120mg/L;COD92～156mg/L;SS40～180mg/L;NH3-N19～26mg/L。(4):4～20℃,6.5℃;11～13℃;pH7.1～7.23。3　3.1　,-29～-15℃,8℃,,10℃4。80%,20m3/d,25m3/d。93,31,3,3,3。,,。。3.2　MLSSSV51(6#,7#),2,3。1　MLSSSV5/d6#DAT6#IAT7#DAT7#IATMLSS/mg/LSV5/%MLSS/mg/LSV5/%MLSS/mg/LSV5/%MLSS/mg/LSV5/%051523　7605150012　7204　8448052230　8268158212108010104610052634　948917801322221423621506024125711224001524021222091406044322281121931423641127211606054421302220274422930613522351224426093677　　522,,BOD5.4～12.8mg/L,77.6%～95.2%;COD39～94.5mg/L,29.5%～86.3%;SS9～19mg/L,64.7%～91.5%;NH3-N2.5～3.3mg/L,90.0%;TP1.1～1.2mg/L,64.7%～67.6%。,DAT-IAT。4　4.1　,。,15℃,15℃,10℃,4℃。,8　Vol.29　No.4　20033　/d、0516241#　7604#10607#11000522301#43204#27801117#39401110528361#2980124#292012217#408012210531391#288014224#334012227#392012220603421#272034224#28003212207#418042220613521#45204424204#5780542407#5440242260　:/mL。2　/d/mg/L/mg/L/%CODBODSSNH3-NTPCODBODSSNH3-NTPCODBODSSNH3-NTP/℃0501941402.4050311532945.30505131225455.7050715622953.711～13051422156.218375.02851.984.9051523134.25394.52829.547.1051624124.54884.11032.479.2051725132.94558.2856.282.2052230152.353.04658.210.31561.880.667.413～15052432120.457.110188.812.81926.277.681.1052735151.2114.05871.89.8952.591.484.5060140229.811482.81764.085.1060544284.2113.011839.05.41086.395.291.5060645249.499.2184333.461.011.3183.31.175.588.690.290.067.6061352119.6126.468253.449.312.1102.51.258.890.485.389.964.716～17168.593.886.4293.469.310.3142.61.154.187.383.690.066.2　:SS(522)。,。,:(1)。,。,-22℃,8℃,,。,15℃6,,,10℃4。(2)。44℃,6.5℃,13℃。“”,,,。,,,9　Vol.29　No.4　2003。(3)。,。,,,,,,。,,。2～2.5mg/L。2,25%～32%,31000m3/h,56～58kPa;26%～41%,58～60kPa,46000m3/h,。,,,6.5℃,11～13℃,1～1.5℃。,MLSS1000mg/L。4.2　BODBOD,。,,,BOD94mg/L,1/2(2),。。,,。,。BOD,。4.3　15d,IAT。30～40mm,。,,;,。,H2S;,N2。H2SN2,,。3#,9#,,。。3#,9#。,41%,56kPa,58～60kPa,46000m3/h。,,25min,SRT,。4.4　。,DAT-IAT,,。MLSS1000mg/L,。:,。。,,,,,,。,,。4.51,,2h,200%。,,,、、、IAT,。100%,。1,,MLSS,200%,,。,MLSS,,。SRT,SRT10　Vol.29　No.4　2003,19。15min,15min,,,10min15min。4.6　,、,,,,,,。,,(SV)。SV3030min。,SV30。SV5,5min。5min,,。,MLSS,DATIATSV30。。,。,、、,,,、;,,,。,,。15、,,。3,、,7#DATMLSS,、,,,。26,、、,。,。42,,,,。4.7　,,、、,。:,;,;。5　,6.5℃,11～13℃,DAT-IAT。30d,。46,1,800m3/d,。,。,、、、。,,DAT-IAT。⊙:113006　:[phone](O)　110015　:[phone](O)　[phone](H)　E-mail:[e-mail]　:2003-1-8＊:陈　永＊11　Vol.29　No.4　2003WATER&WASTEWATERENGINEERINGVol.29No.4April2003ABSTRACTSCommissioningoftheSecondPhaseofLuofangWastewaterTreatmentPlantinShenzhenCityZhouKezhaoetal(1………………)Abstract:TheprocessflowandthecourseoftrailFunofthisnewfacilityarepresented,includingtheflowpatternandtheDOdis-tributiontestsoftheoxidationditches.Alltheunitsarenormalinoperation,andthestableeffluentquiteenoughtomeettherequire-mentsofclassIinthenationalwastewaterdischargestandardhasbeenobtained.ThetrailrunissuccessfulwithexcellentbiologicalPandNremovalsatadvancedlevelasinternationalandspecificpowerconsumptiongoodenoughthanthatofWWTPsathome.AcclimationofActivatedSludgeofFushunWWTPWangChangshengetal(6………………………………………………………)Abstract:ThebiggestDAT—IATfacilityforurbanwastewatertreatmentinthiscountryhasbeenputintooperationinWastewaterTreatmentPlantofFushunCity,locatedinNorth—EastChina.Problemscausedbyunfavorableinflowthatislowtemperatureandin-sufficientofnutrients,andmechanicaltroublesaswellhavebeenconquered.especiallythesludgebulking.Continuousfluidizedbedwasadoptedandtheactivatedsludgeforthisprocesswasacclimatedsuccessfullyinscheduledtimeof30daysunderlowtemperaturecondi-tionofmean6.5and11to13degreesCelsiusforambientairandliquidinsidethereactorrespectively.Theeffluentofthisfacilityisfairwi