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、、、、N、P。、[1-2]C/NA/O---1。A/O、。。A。、、[2]。A/O。、A/O/。1Fig.1Schematicdiagramofintegratedreclamationformunicipalsewage A/O11111121.1001242.150090A/O。10～14℃NSCODCOD0.6kg·kg-1·d-1DO1～2mg·L-1ρ(TP)0.7mg·L-184%～96%COD60mg·L-1COD80%～88%A/O、VFAVFApH、ORPpHpHORPA/O、。A/OX703A1000-3770(2011)12-0103-0062011-06-13508780038092006QAK201005-2009ZX07424-0012009ZX07424-002-0032009ZX07424-0051987－E-mailmajm2008@emails.bjut.edu.cnE-maillidong2006@bjut.edu.cn3712201112TECHNOLOGYOFWATERTREATMENTVol.37No.12Dec.,2011103DOI:10.16796/j.cnki.1000-3770.2011.12.025。A/O。11.1A/O2××=2m×0.6m×1m1140L2。AO1:1.7。。。。1.212.1～14.2℃138.0～152.4L·h-16.99～7.72hCOD0.5～0.7kg·kg-1·d-1132.0～162.0L·h-10.96～1.066.1～7.6d254.1～294.9171.5～291g·d-10.68～1.85mg·L-1。1.3。COD347.1～425.3mg·L-1BOD5120～150mg·L-1TPP5.75～6.30mg·L-185.40～124.76mg·L-10～0.15mg·L-10～1.89mg·L-1SS76～114mg·L-1VFA1.4mmol·L-1550.59～610.78mg·L-1。1.4COD5B-3BCODBOD5SSPMLSSMOD-EL711、ORP、、pH、WTWonlineN-1--VFA。20101120111355d。0～17dCOD0.7kg·kg-1·d-117～34dCOD0.6kg·kg-1·d-134～55dCOD0.5kg·kg-1·d-1。2～3dTP、COD、pH、、ORPpH、DO、3SS10d15dCOD、TP。22.1DO61.9%、。40%[3]。DOA/O。A/OA/O。A/ODODO2～3mg·L-1TP75%、TP1mg·L-1ATP。DO。A/O3。3DO1～2mg·L-1TP0.7mg·L-1TP84%～96%A/O2Fig.2Schematicdiagramofexperimentalequipment ! #$ %&’ $( )* + + ,-. / 371210450%、、。TP、COD、TN15d4。4COD、TNTP、COD、TN。。CODTN5mg·L-14TP0.2～0.7mg·L-1。3Φ250。4。。A/OA7dA/O11～23dAOB、NOB。。5510mg·L-110%12.50%±3.39%0.24%±0.36%“”。36NH4+-N124.76mg·L-1、3d。。2.2、VFApH、01020304050605060708090100110120130140d NH -N/mg L 048121620/%5aNH4+-N5A/OFig.5ThechangetendencyofthenitrogenofinfluentandeffluentinA/Osystem01020304050600123456d NO -N)/mg L 0.00.51.01.52.02.53.03.54.0/%5bNO3--N4A/OCOD、TP、TNFig.4ThechangeofCOD、TPandtotalnitrogenalongtheA/Osystem0.00.51.01.52.02.53.0020406080100 m/mg L 050100150200250300350400COD/mg L 3A/OTPODOFig.3ThechangetendencyoftheremovalrateofTPandDOinaerobictank01020304050600.00.51.01.52.02.53.0 d/mg L 020406080100/%A/O105[4]。A/OCaCO36。644.93mg·L-17.95%。VFApH[5]pH7VFApH6.5～7.5[6]。pHpH7.34～7.63。A/OpH。TP90.42%±4.50%TP0.56±0.27mg·L-1。。VFA。VFA≥80mg·L-18～13℃[7]。11～14℃VFA1.4mmol·L-184mg·L-1[6]。7ρ(TP)0.7mg·L-1A400%CODVFACODVFA。2.3TP、COD。、、。A/OCOD0.7、0.6、0.5kg·kg-1·d-1TP、COD7。7DO1～2mg·L-1NSCOD0.7kg·kg-1·d-1TP、CODTP0.95mg·L-185%COD60mg·L-1COD84.6%ACOD50mg·L-1ρ(TP)0.5mg·L-1。COD0.6kg·kg-1·d-1A/O86%0.7mg·L-1COD60mg·L-1COD80%～88%6A/OFig.6ThechangetendencyofPhosphorusremovalandalkalinityintheA/Osystem0246810450500550600650d CaCO /mg L 30405060708090100TP /%010203040506001234567d TP/mg L 6065707580859095100/%7NSCODA/OTP、CODFig.7TheremovalrateofTPandCODatthedifferentconditionsofNSCOD7bTP01020304050600100200300400500d COD/mg L 6065707580859095100/%7aCOD3712106ATPCOD。NSCOD0.5kg·kg-1·d-1A[8]。A/O。2.4pH、ORP,PHB[9]。。DO1.0～2.0mg·L-1100%pH、ORP。pHH+pHpH。pH8。8pH180.6kg·kg-1·d-118、19、203pH4pH0.6kg·kg-1·d-10.5kg·kg-1·d-1pH0.7kg·kg-1·d-1pHTP、TP。pHApH。ORPORPPAOs。ORPTP9。9ORP。9ORP3ORPORPORP2ORP。ORP-150mVORP-380.3±38.0mVA/O。311～14℃DO1～2mg·L-1A/ONSCOD0.6kg·kg-1·d-1TP0.7mg·L-184%～96%、COD60mg·L-1COD80%～88%A/O50%、、。pH、ORPpH、ORP。pHORPORP-380.3±38.0mV8A/OpHFig.8ThecorrelationbetweenpHandthephosphorusreleaserateofA/Osystem0102030405060340360380400420440 dA/% 6.97.07.17.27.37.47.57.67.7pH0102030405060707580859095100105 dTP/% -440-420-400-380-360-340-320-300ORP/mV9A/OORPFig.9ThechangetendencyoftheremovalrateofTPandORPinA/OsystemA/O107TESTRESEARCHONBIOLOGICALAERATEDFILTRATIONWASTEWATERLANDTREATMENTSYSTEMGuoYiling1,SuLinmeng1,XuJin2,WangSen2(1.InstituteofEnvironmentandMunicipalEngineering,QingdaoTechnologicalUniversity,Qingdao266033,China;2.QingdaoLigongNewEnvironmentTechnologyDevelopmentCo.Ltd.,Qingdao266072,China)Abstract:Intheflowof60L·d-1andtheaerationrateof0.48L·min-1,withgravelasthemedia,theeffectofCODvolumeloadandfeedingmode(up-flowanddown-flow)onCODandNH4+-Nremovalinsyntheticwastewaterwasstudied,treatedbybiologicalaeratedfiltrationwastewaterlandtreatmentsystem.Theresultsshowedthat:organicsandNH4+-Ncanbebothremovedinthesystematthesametime，andthehighestCODremovalefficiency,96%and97%separately,wasachievedwhentheCODvolumeloadwasin0.089kg·m-3·d-1,treatedbytheup-flowanddown-flowbiologicalaeratedfiltrationwastewaterlandtreatmentsystems，andthedifferencesbetweenthemwerenegative;theremovalefficiencyofNH4+-NdecreasedwiththeCODvolumeloadincreasingbythebiologicalaeratedfiltrationwastewaterlandtreatmentsystem，anddown-flowsystemwashigherthantheup-flowabout11.1%～28.3%.Theflowingpatterntest,withrhodamineBasapulsetracer,showedthatboththeup-flowanddown-flowlandtreatmentsystemsarecompletelymixedreactor.Keywords:wastewaterlandtreatment;biologicalaeratedfiltration;gravelmedia;CODvolumeload;flowpatternSTUDYONHIGH-EFFICIENCYPHOSPHORUSREMOVA