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56200612()JournalofGuangzhouUniversity(NaturalScienceEdition)Vol.5No.6Dec.2006:2006-07-05;:2006-10-08::(1982-),,,.:167124229(2006)06200692041,2,3,3(1.,510006;2.,,510405;3.,510640):PAC,,,.,,..:;PAC;;:X703:A1,20%30%,,(50%60%).,,,[1].,,[2].,PAC,,.1.1,,.,.,,,,,,,,[3].,.,,()[4].Zeta,,.,Zeta,,[1].1.2PAC,[Aln(OH)mC13n-m],,,,,[Al(OH)3H2O],,[5].PAC中国城镇水网()5.PAC,pH,,.,.22.1.,,PAC,.,(BAF),PAC(1).1Fig.1Thesketchofthepilot2scaletreatment2.225mm,150m2m-3,1105112tm-3.1Table1ThedesignparameterofBAF/(m3h-1)1015/m2.30(1.62.4)1/min1624/m1.50/m5.25/m0.25/m5.00,/(Lm-2s-1)1510:.1700mm1700mm4300mm,870mm;.:PAC(5).2.3:HACH2100N;(NH32N):;(CODMn):.33.120059302005109,2.2Table2Thewaterqualityparameteroforiginalwateratthefirststage/NTU40.70072.20051.710NH32N/(mgL-1)1.1782.0091.817/31.00034.00033.000pH7.0007.2007.100CODMn/(mgL-1)7.02014.4809.770NO-2-N/(mgL-1)0.1060.6770.3011212m3h-1,3.,,,110NTU.3,,21mLmin-122mLmin-123mLmin-124mLmin-1,110NTU.,,.,0125NTU,,,,.3.22005923,(116214)107(mLmin-1)/NTU/NTU/%2145.20061.40050.8000.6831.4801.12097.80%0.1710.3340.25599.50%2245.90069.20053.4000.8861.3301.15097.85%0.1820.2980.25199.53%2343.70062.40052.4000.8031.0900.92298.24%0.1870.3160.26999.49%2440.70072.20049.9000.5580.8120.67998.64%0.1760.2970.25999.48%,,,,,,,,,11d.6d.20051010,,20051020.4.4Table4Thewaterqualityparameteroforiginalwateratthesecondstage/NTU45.80062.40052.690NH3-N/(mgL-1)1.0022.6171.991/31.00034.00033.000pH7.0007.2007.100CODMn/(mgL-1)7.67014.8709.790NO-2-N/(mgL-1)0.2510.6690.465,5.5,,5Table5Theturbidityofdifferentprocessphaseatthesecondstage/(mLmin-1)/NTU/NTU/%1739.90060.70048.90010.1001.48014.30070.76%1.0201.4701.26097.42%0.1970.3160.27199.45%1845.90069.20053.4009.33020.90015.10071.24%0.8901.3101.18097.75%0.1650.3320.23799.55%1943.70062.40052.40012.70017.40015.70072.65%0.7791.1000.97898.30%0.1740.3280.22099.62%2040.70072.20049.9009.50016.40014.10072.51%0.3650.9100.70198.63%0.1650.3240.20599.60%,.,,,.,71179%.,NH3-NCODMn,76183%41102%.,,17mLmin-118mLmin-119mLmin-120mLmin-1,110NTU.,,.0125NTU,,,,.,,,21mLmin-122mLmin-123mLmin-124mLmin-1,,17mLmin-118mLmin-119mLmin-120mLmin-1,.,,17中国城镇水网()54mL,.451NTU,5PAC,,21mLmin-122mLmin-123mLmin-124mLmin-1,110NTU.,17mLmin-118mLmin-119mLmin-120mLmin-1,1.0NTU.,,,PAC4mL.NH3-N.:[1],.BAF++UF[J].,2004,24(1):12216.ZHUJian2wen,WUHao2ting.ProspectsoftheapplicationofBAF+normalprocess+UFtechnologytothetreatmentofmi2cro2pollutedsourcewater[J].IndustrialWaterTreatment,2004,24(1):12216.[2].[M].:,2003.LIUHui.Thebiologicaloxidationtechnologyofwholeflowtothetreatmentofmicro2pollutedsourcewater[M].Beijing:ChemicalIndusryPress,2003.[3],,.(BAF)[J].,2005,24(1):57262.ZHUZheng2qi,JIANGPei2hua,CHENJi2hua.Researchprogressofbiologicalaeratedfilter[J].WaterPurificationTechnol2ogy,2005,24(1):57262.[4],.BAF[J].,2003,19(2):21223.SANGJun2qiang,WANGZhan2sheng.Theapplicationofbiologicalaeratedfiltertothetreatmentofmicro2pollutedsourcewater[J].ChinaWaterandWasteWater,2003,19(2):21223.[5].[J].,2003,22(1):1012102.LIHui2ping.Experimentalresearchonpolyahuminiumchlorideandaluminiumsulphateascoagulantapplyinginwastewatertreatment[J].YunnanCircumstance,2003,22(Supplementl):1012102.TheinfluenceofbiologyaeratedfilteringpoolforpretreatmentontheflocculatingagentCHENLi1,WEIXiao2an2,LUShao2ming3,FANGPing3(1.SchoolofCivilEngineering,GuangzhouUniversity,Guangzhou510006,China;2.GuangzhouCityPolytechnic,Architecture,Guangzhou510405,China;3.Dept.ofEnvironmentScience&Eng.,SouthChinaUniversityofTechnology,Guangzhou510640,China)Abstract:Therearetwosituationsofputtingpolyaluminiumchloride(PAC)astheflocculatingagentintothewaterwhichcomesfromZhujiangRiverandputtingPACintothewaterwhichhasbeendecontaminatedbythebiologyaeratedfilteringpool.Theirdosagesoftheflocculatingagentarecompared.ResearchshowsthatwhentheeffluentofthesettlinghasthesimilarturbiditytherearefewerdosageoftheflocculatingagentwhenputtingPACintothewaterwhichhasbeendecontaminatedbythebiologyaeratedfilteringpool.Itprovesthatthebiolo2gyaeratedfilteringpoolforpretreatmentofdeepwater2supplytreatmentcanreducethedosageoftheflocculatingagent.Keywords:biologyaeratedfilteringpool;polyaluminiumchloridePAC;dosage;turbidity:27中国城镇水网