温度对生物炭滤池处理高氨氮原水硝化的影响

2004,24(2)233~236ChinaEnvironmentalScience1,2,1,1(1.,1000842.,250014)...,(BAC).2,650%;6,(6),.X522A10006923(2004)02023304Influenceoftemperatureontreatingnitrificationofhighammonianitrogensourcewaterinbiologicalcarbonfilter.LIUJian-guang1,2,ZHANGXiao-jian1,WANGZhan-sheng1(1.DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084,China2.DepartmentofEnvironmentalEngineering,ShandongInstituteofArchitectureEngineering,Jinan250014,China).ChinaEnvironmentalScience,2004,24(2)233~236AbstractAdeeptreatmentpilottestwasmadeonmicropollutedsourcewaterwithcombinedtechniqueofO3preoxidizingbiologicalpretreatment-coagulantsedimentation-sandfilter-O3afteroxidizingbiologicalactivatedcarbon(BAC)filter.ApartofhighNH4+NsourcewaternotbiologicaltreatedwasfedintoBACfilterafterconventionaltreatmenttoenhancetheNH4+NconcentrationofBACfilterinfluentwater.TheinfluenceoftemperatureonnitrificationabilityofBACfilterundertheconditionofhighNH4+Ninfluentwaterwasstudied.Thetextshowedthatthebio-activityofBACwasreducedwiththedeclineoftemperature;andNH4+NremovalabilityinBACfilteratabout2correspondedto50%oftheabilityabove6.Attheconditionoftemperature6,theabilitydidnotchangewithtemperaturewhenthedissolvedoxygen(DO)wasbasicallysameintheinfluentwater;andtheabilitywasinfluencedmainlybytheDOinthewater.Keywordsbiologicalactivatedcarbon(BAC)nitrificationbiofilmdrinkingwater,.,,(7.6mgCl2/mgNH4+N).,,[1].NH4+N,,,.[2].,,.,.11.1:O3O3.20030720*,,[e-mail]23424,400mm,4m,1.6m,.,8×12,,,8m/h.1.2CODMnNH4+N,DO(YS1-55),BAC(OUR)[3,4].,,,6mg/L(4mg/L),CODMn5~7.5mg/L.2,,,.,,(4.0mg/L),.2.12002910,20~26,14d.,20031(2~6)20033(10~16)2,.,10~16,14d,20~26;2~6,30d(8d),8~10,10d(40d)..,(Nitrosomonas)(Nitrosococcus)2~40,(Nitrobacter)5~40[5].[6],5(OUR)1065%;0.51025.1%.,,0[7],.,,99%[8],.2.2(200210~20034),NH4+N1.5mg/LCODMn3.2~4.0mg/LDO7.5mg/L,COD3.0mg/L;NH4+N(2.0mg/L),CODMn3.0mg/L(CODMn).1.1,2,BAC,8m/h,1.0mg/L,0.7mg/L,.5m/h,1.5mg/L,,131gNH4+N/(m3·d).6~8,1.3~2.8mg/L,(6~8m/h),85%~99%,316gNH4+N/(m3·d).12~16,0.70~3.00mg/L,66%~99%,263gNH4+N/(m3·d),1.9mg/L,,98%,;,2,650%;.,DO().,.,,.,2~4,DO11.0~12.1mg/L,8~102235DO10~11.5mg/L,12~16DO8.5~10.0mg/L.O3,DO6.0mg/L.[7]:NH4++1.86O2+1.98HCO3→0.02C5H7O2N+0.98NO3+1.88H2CO3+1.04H2O1mgNH4+N4.25mgO2,DO.,.,,(),.,BAC(OUR),(SOUR),2.2,,BAC,[6].,BAC,,(6),,.2,,.,,DO,3.3,(DO12mg/L),,,.(DO8mg/L),(40cm),,.40cm,,(12~15min),(11)3min.,BAC,23624DO,,,,.,21.0mg/L,DO(12mgO2/L),,DO,BAC,,1.5mg/L,0.5mg/L.6~11,BAC2.5mg/L,DO10.5mg/L,DO,1.9mg/L.12~16,1.83mg/L,7.8mg/L,,DOCODMn,1.5mg/L.,1.5mg/LDO7.5mg/L,.[8,9](0.5mg/L),4,,2mg/L.2mg/L,.33.1BAC(SOUR).8m/h,2,650%;,,.3.2,DO,CODMn.1.5mg/L,O37.5mg/L..[1]CsanadyM.Nitriteformationandbacteriologicaldeteriorationofwaterqualityindistributionnetworks[J].WaterSupply,1992,10(3):3943.[2],,,.[J].,2002,18(8):4445.[3],,,.(OUR)[J].,1999,19(3):225229.[4]JoannaSurmacz-Gorska,GernaeyK,DemuynckC,etal.Nitrificationmonitoringinactivatedsludgebyoxygenuptakerate(OUR)measurements[J].WaterRes.,1996,30(5):12281236.[5].[J].,1994,8:27.[6],.[J].,2003,24(2):112115.[7].[M].:,2002.[8]UhlW,GimbelR.Dynamicmodelingofammoniaremovalatlowtemperaturesindrinkingwaterrapidfilters[J].Wat.Sci.Tech.,2000,41(4-5):199206.[9],.[M].:,1992.(1964),,,,,.20.