,,(,400045):,(HRT),1.5m2.0mHRT3.5h4.9hHRT9.7h,:;;:X703.1:A:1000-4602(2002)01-0013-06StudyonthePerformanceofVariableRateBiofilterforTreatmentofMunicipalWastewaterLONGTeng2rui,FANGFang,GUOJin2song(SchoolofUrbanConstructionandEnvironmentalEngineering,ChongqingUniversity,Chongqing400045,China)Abstract:Thefull-scaleexperimentwascarriedoutontheuseofvariableratebiofilterwithenzymaticmediumfortreatmentofmunicipalwastewater,andstudywasmadeontheeffectofhydraulicretentiontime(HRT)andtemperatureontheperformance.Theresultsshowedthatatnormaltemperature,whenthemediaheightis1.5mand2.0mwithHRT3.5hand4.9h,andthefilterHRT9.7h,thefiltercanefficientlyremoveorganicandsuspendedmattersinwater.Keywords:variableratebiofilter;enzymaticmedium;municipalwastewater:(59838300);(96-909-01-02-01)2080,/,[1],,1111,,,117.8m5.95m,5.7m(1.0m,0.35m,1.5m2.0m,1.5312002Vol.18CHINAWATER&WASTEWATERNo.1___________________________________________________________________),,,1020mm2211211DOYIS52SS103105pHpHpHCODSCODHACHCOD(CaCO3)(VFA)NH3-NTPSO2-4:SCODCOD113,,,223,42()HRT(h)HRT(h)(m3/d)CODSCODSS(mg/L)(mg/L)(%)(mg/L)(mg/L)(%)(mg/L)(mg/L)(%)(199982519991018)1.5m182623.78.6156.7122.561.849.588.355.836.950982.017.06.2218.9171.892.346.3129.884.934.7521178.812.64.6293.9212.0120.543.2167.8113.232.5632068.39.73.5382.5234.0138.041.0182.2125.331.2872373.67.62.8485.4231.7145.237.3174.5128.326.4822964.6(19991162000126)2.0m91523.712.1156.7218.296.555.8162.387.446.263.317.372.717.08.6218.9266.2125.452.9197.1110.543.984.326.868.212.66.4293.9310.9156.149.8236.0138.341.493.032.565.19.74.9382.5332.0178.046.4258.3161.037.7114.338.566.37.63.9485.4336.2200.040.5251.3168.133.1116.542.563.53()(mg/L)(mg/L)(mg/L)(mg/L)(%)NH3-N22.733.328.327.335.331.4TP3.695.614.753.014.393.8519.3SO2-464.184.474.419.937.628.761.4NH3-N24.236.330.126.338.433.0TP4.425.714.963.314.543.9520.3SO2-478.794.987.725.840.434.960.24CaCO3(mg/L)VFA(mg/L)DO(mg/L)pH26132428933619.766.28.217.51.33.00.040.246.67.26.77.226933229436223.0122.69.823.01.53.20.020.306.57.46.77.2:DO412002Vol.18No.1中国科技论文在线____________________________________________________________________:,Smin,2535Smin48mg/L78mg/L[2],,,,Smin,Smin,COD,/,,Song,[3]60%COD2%Young,[1216kgCOD/(m3d)]AF,1/2[4],AF,,YoungMcCarty,[5]AF[6],AF,,,,,2m[4],,,,1.5m,2.0m312(HRT)/,HRT,,HRT,HRT,,,,,HRTHRT(3),HRT3HRT23,HRTCODSCODHRT1.5m2.0mHRT1.5HRT2.08.6h12.1h(HRT23.7h),COD(49.5%55.8%);HRT,CODHRT1.5HRT2.03.5h4.9h(HRT9.7h),COD41.0%46.4%,HRT1.5HRT2.05.1h7.2h(HRT14.0h),COD8.5%9.4%,;HRT1.5HRT2.02.8h3.9h(HRT7.6h),HRT1.5HRT2.00.7h1.0h(HRT2.1h),COD3.7%5.9%,SCODHRTCOD,HRTHRT,,HRT,512002Vol.18No.1中国科技论文在线____________________________________________________________________:E=100[1-0.8221(HRT)-0.126]R2=0.9377:E=100[1-0.8166(HRT)-0.253]R2=0.9673:E=100[1-Sk(HRT)-m]ESCOD,%HRT,hSkm(Sk=0.822m=0.126,Sk=0.817m=0.253),HRT,,HRT,CODSS,20m,,,(10cm),,,CODSS,,,CODSS382.5m3/d,,CODSS,CODSS,,SS,:HRT,,,,,(,,);,,,,24SS,SS,313,,,/,3040,10,[7],10,CODSCOD,98.3mg/L39.6mg/L,CODSCOD,,0.5m,(),,,SS,(Stocks,,),,,SS314NPNP,NP,612002Vol.18No.1中国科技论文在线____________________________________________________________________[6][8]/,,,,SRB()MPB()H2,MPB[9]3,,(60%),315pHVFA,pH6.57.4(),VFA,VFA,[10]:VFA,0.4,,VFA,pH;0.40.8,;0.8,VFA8122mg/L,320mg/L,0.030.38,,pH,4926,COD40%55%,SCOD30%45%,SS60%80%,CODSS,,HRT,CODSSHRTHRT1.5HRT2.03.5h4.9h(HRT9.7h),COD;HRT1.5HRT2.02.8h3.9h(HRT7.6h),COD,1.5m2.0m,HRT9.7hP,60%,NH3-NpH,,(GB89781996),:[1].[J].,1998,16(2):11-15.[2].[M].:,1991.[3]Joo-HwaTay,Kuan-YeowShow,etal.EffectsofmediaCharacteristicsonperformanceofupflowanaerobicpacked-bedreactors[J].EnvEng,1996,(6):469-476.[4]JamesCYoung,ByungSYang.Designconsiderationsforfull-scaleanaerobicfilters[J].JWPCF,1989,61(9):1576-1587.[5]JamesC,PerryLMcCarty.Theanaerobicfilterforwastetreat2ment[J].JWPCF,1969,41(5):R160-R173.[6],.712002Vol.18No.1中国科技论文在线____________________________________________________________________[J].,1994,20(1):24-27.[7].[M].:,1998.[8]HAKobayashi,MKStenstrom,etal.Treatmentoflowstrengthdomesticwastewaterusingtheanaerobicfilter[J].WatRes,1993,17(8):903-909.[9],.[J].,1991,12(3):67-71.[10]GradyCPLJr,HerryCLim.Biologicalwastewatertreat2ment:secondedition,revisedandexpanded[M].NewYork:MarcelDekker,1999.:(1939-),,,,,:(023)6512075165020770:(023)65120810E-mail:longtengruil@sina.com:2001-09-10,,,(30104m3/d),,5000m3/d,99.5%;24h,5600m3/d,10600m3/d,,PAM,,,1(18m10m3.5m),1.3m,,PLC,,;1.6m,PLC,(),PAM,PLC,(2.8m),PLC,1.3m,1,2.5m,PLC;4.3m,PLC,;1.8m,,()812002Vol.18No.1中国科技论文在线____________________________________________________________________