1121201171671—1815201121-5120-04ScienceTechnologyandEngineeringVol.11No.21July20112011Sci.Tech.Engng.A2/O650224A2/O。15—20℃。75%1、238.6h、4.3h2.5mg/L、1.8mg/L40%1.6d。COD、BOD、NH3-N、TNTP34.09、9.17、2.72、12.330.46mg/LGB18918—2002A。A2/OX703B20114201986—。。、。。、1。、--。、、、、、2。11.15010m3/d。A2/OA2/O。《》GBl8918—2002“B”。。、、、、、。《》GBl8918—2002“A”。1.2A2/O4m2m2m1.8m。、1、1、1、2、2、3、A2/O+A/O、、。1、1、21.8m31、23.6m331.8m3。1.5m3。15m3m1m0.8m。0.7m3。10.5m33—5cm1—2mm1—2cm0.7m3。1、2。21.31。1/mg·L-1BOD5CODcrNH3-NTNTPSS11824547.547.34.21303。1.415—20℃A2/OHRT1.6d、、75%。1、2HRT8.6h2.5mg/L15∶1。3HRT4.3h1.8mg/L10∶1。40%A2/O1.6d。121521A2/O22.1COD、COD3。3COD、、。COD179.22—300.76mg/L244.93mg/LA2/OCOD60mg/L53.21mg/L。COD77.62%。COD50mg/L34.09mg/L。COD85.73%。2.2NH3-N15.9—54.1mg/L47.46mg/LA2/ONH3-N7.34mg/L。81.57%。NH3-N2.72mg/L。93.29%4。TN29.87—59.64mg/L47.31mg/LA2/O1、1、1、22。A2/OTN17.02mg/L。63.28%。TN12.33mg/L。73.48%5。4NH3-N5T-N、45。2.3TP3.4—5.02mg/L4.22mg/L6。12215116T-PPHBA2/OTP0.77mg/L。TP80.71%。TP0.46mg/L。NH3-N88.62%。3A2/O、《》GBl8918—2002“A”。、。1..19901252—72..200973.4.20024..199816317—205..2005243278—281ResearchonthePilot-scaleTestofA2/OBiofilmandConstructedWetlandsforSewageTreatmentofVillageGAOXiangZHAGNXian-binKunmingUniversityofScienceandTechnologyKunming650224P.R.ChinaAbstractForthewidespreadpollutionproblemsofvillageswhichnearnineplateaulakesofyunnanthepilot-scaletestwhichcombiningA2/Obiofilmreactorandartificialwetlandprocessforsewagetreatmentareputforward.Thecondi-tionofexperimentisthatthetemperatureis15—20℃theratioofthemix-carriesis75%thehydraulicretentiontimeinthefirstandsecondaerobictanksofthefirstsectionandonthethirdaerobictanksofthesecondsectionare8.6h4.3htheconsistenceofthedissolvedoxygenare2.5mg/L1.8mg/Ltheporosityofthesubsurfaceflowcon-structedwetlandis40%thehydraulicretentiontimeofwetlandis1.6d.Aftertwomonthsofoperationthesystemhasstableandbetterremovaleficiencyofnitrogenphosphorusandorganicmatter.TheaverageconcentrationsofCODBODNH3-NTNandTPintheeffluentare34.09mg/L9.17mg/L2.72mg/L12.33mg/Land0.46mg/LrespectivelymeetingthefirstlevelAcriteriaspecifiedGB18918—2002inthenationaldischargestandard.KeywordsruraldomesticsewagedispersaltreatmentA2/Obiofilmartificialwetland321521A2/O