冬季溅水充氧滴滤池处理农村生活污水的启动研究李先宁

1　8环境工程学报Vol.1,No.820078ChineseJournalofEnvironmentalEngineeringAug.2007李先宁　李孝安(,210096)　　,,,3。COD18.5%,COD43%。2NH+4-N10%,TNTP10%。,COD2,65%,。,NH+4-N60%。TNTP20%。3,。,,。　　　　　　X703　　　A　　　1673-9108(2007)08-0026-05Researchonstart-upofspatteringtricklingfilterforruralsewagetreatmentinwinterLiXianning　LiXiaoan(DepartmentofEnvironmentalScienceandEngineering,SoutheastUniversity,Nanjing210096)Abstract　Thetechniqueofspatteringtricklingfilter(STF)packedwithceramicgranularandsphericalplasticwasdeveloped.Threedifferentstart-upmethodssuchasnaturestart-up,man-madestart-upandenforcedstart-upwereinvestigatedinwinter.TheremovalrateofCODaveragesat18.5%and43%duringnatureandman-madestart-upperiodseparately.TheremovalratesofNH+4-N,TNandTPofbothmethodsarenotmorethan10%.However,theorganicmatterdegradationandnitrificationeffectareobviouslyenhancedduringtheenforcedstart-upperiodbyrefluxingsludgeenforcedly,andtheaverageremovalratesofCOD,NH+4-N,TNandTPreach65%,60%,20%and20%respectively.Resultsshowthattheenforcedstart-upmethodissuccessfulforthestart-upofSTF.Thereasonofthedifficultstart-upinwinterforSTFwasdiscussed.Aneffectivewayofstart-upforSTFpackedwithceramicgranularisputforward.Thequickstart-upwasrealizedatlowtemperaturebyrefluxingsludgeenforcedlyforSTFpackedwiththemediaonwhichbiofilmishardlyculturing.Keywords　winter;spatteringtricklingfilter;ceramicgranular;start-up;enforcedbiofilmculturing:“863”(2002AA601012-1A);(2005012):2006-10-31;:2007-05-18:(1964～),,,,。E-mail:[e-mail]　　、,,2010,270t[1]。,,,,。,、。,,1,,。,,。8:,,。,,,,。,,。。1　Table1　InfluentwaterqualityduringSTFstart-upperiodCOD(mg/L)NH+4-N(mg/L)NO-3-N(mg/L)TN(mg/L)TP(mg/L)T(℃)pH113.2050.130.8752.243.437.57.2326.3368.521.1778.815.488.07.5356.5164.992.9370.654.559.27.51　1.1　,2.5m3/d。1,、3,,。,。。2,2PVC,235mm,。。,。,:①,,,,。;1　Fig.1　Schematicdiagramofspatteringtricklingfilter②,。2,;③,;④1,。1.2　3。:,。:,。:,,。:20061253,1。125215,5(4d1)。217,,,,50L。5(2d1)。31,1000L/h,,5(1),37,。:、271,4,230cm60cm。:COD、NH+4-N、NO-3-N、TN、TP、pHDO,CODCTL-12COD,DOWTW,pHWTWpH。NH+4-N、NO-3-N、TN、TP[2]、、-。2　2.1　COD2　CODFig.2　CODremovaleffectofSTFduringstart-up2COD,2,COD18.5%43%。,,65%。,COD,113.2mg/L,COD,,,。COD,2,COD,。,,COD。,,,,,。,。,COD,65%,,287.1mg/L509mg/L,,100mg/L,COD。,,COD,。2,,,COD60%,,,。:;DO;。2.2　NH+4-N。3　NH+4-NFig.3　NH+4-NremovaleffectofSTFduringstart-up288:,COD。[3]。4～45℃,,[4]。3,NH+4-N,NH+4-N60mg/L。3NH+4-N,,NH+4-N,10%。4NH+4-N、NO-3-NDO,,NO-3-N,1mg/L,NO-3-NNH+4-N,。,NO-3-N,1mg/L,NO-3-N,4.18mg/L。,。,2。,,4,NO-3-N20.5mg/L,205。NH+4-N,60%。。4NH+4-N65mg/L,28mg/L,NH+4-N,NH+4-N,。FrankPerssona[5],,,。3,DO4mg/L,,DO。,DO,,DO8.1mg/L,4　DO,NH+4-NNO-3-NFig.4　ChangesinDO,NO-3-NandNH+4-NalongtheflowofSTFduringstart-up,,。,,,,,,,。2.3　TN、TPTN5%,TN,20%,,TN。NH+4-NCOD3,。,。,TN20%,291TN,,。,Sid-neyBesterfeld[6]DO5mg/L,,。,TN。、,,。52TP4%,,TP30%。,2,。5　TPFig.5　TPremovaleffectofSTFduringstart-up、,,,。3　　(1),,。,。,,。(2),,。(3)COD、TNTP。COD,NH+4-NNO-3-N,。[1],,..,2003,25(5):5～10[2]《》.().:,2002[3],.().:,2000[4],..:,2000[5]FrankPerssona,TorstenWikb,FredS.Orenssona,etal.Distributionandactivityofammoniaoxidizingbacteriainalargefull-scaletricklingfilter.WaterResearch,2002,36:1439～1448[6]SidneyBesterfeld,GragFarmer,LinderFigeuroa.Quantifi-cationofdenitrificationpotentialcarbonaceoustricklingfil-ters.WaterResearch,2003,37:4011～401730