PAC与膨润土强化SBR工艺处理含氨氮河水研究于群

、[1]。、[2][3]。、。SBR、。、SBR[4]。SBRPACSBR。PAC500～1700m2·g-10.15～0.9mL·g-1[5]。、、[6]。SBRPAC、TNPACSBR。11.1、3、SBR。1PAC12500mg·L-11。22～28℃SBR1L0.5LHRT24h。12h41。DO2～3mg·L-1DO0.1～0.2mg·L-1。PACSBR266100PAC、TNPACSBR。PACSBRSBRPAC12%8%30%24%PAC。X522TQ424A1000-3770(2010)11-0081-0042010[e-mail]1～2360300508～911Tab.1AcycleinSBRreactor/min3611201011TECHNOLOGYOFWATERTREATMENTVol.36No.11Nov.,201081DOI:10.16796/j.cnki.1000-3770.2010.11.021SBR。3000mg·L-1。1.2COD120～135mg·L-1、NH4+-NTN25～30mg·L-130～35mg·L-1pH7.0～7.1。1.31PAC。2500mL500mg·L-1PAC。2PACSBR。PACSBR、SBR3SBR、TNPACSBR。3PAC。120.5gPAC0.5g。PACPAC500mg·L-1。1.4CODTNNH4+-NNO2--NN-1--NO3--NSS[6]。OUR[7]OUR=ρ1(DO)-ρ2(DO)ρ(MLSS)(t2-t1)。1ρ1(DO)ρ2(DO)t2t1DOρ(MLSS)。500mLDO。200mg·L-1NH4+-NNH4Cl20mg·L-1NO2--NNaNO210mg·L-1。、DO。3minNaClO32130mg·L-1DO1mg·L-1。[5]。2OUROUR=OUR0-OUR1。2OUR0OUR1NaClO3。22.1PAC1PAC。1PAC。PAC4.5%10.9%2.3、5.57mg·g-1。2PAC20min3h。2.2SBRPACSBR、SBR2。2PAC96%92%SBR84%12%8%PAC
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NH-N/% /min1PACFig.1RemovaleffiencesofNH4+-NwithPACandbentonite2SBRSBRFig.2RemovaleffectofNH4+-Nineachreactor
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NH-N /%/361182PAC。3PACSBRSBRPACPACPACPAC。10PACSBRSBRSBRPAC。15PACSBRSBRSBR2[8-10]PACPAC。PACSBRSBR2SBR。2.3TN33TN。3PACTN30%SBRTN24%SBRTN18%。PACTNPAC。PACSBRTN[11]。PACPACSBR。2.4PACSBR3OURS4。4153OURS0.114mg·g-1·min-1PACPAC15PACOURS0.313、0.233mg·g-1·min-1SBROURS106%54%PACPACSBR2。PACPACPACPACSBRSBR。。3PAC4.5%10.9%。PAC3TNFig.3RemovaleffectofTN
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TN /%/01020304050600.00.10.20.30.4

OUR/mggmin /4Fig.4RespirationrateofnitrificationinactivesludgePACSBR83STUDYOFPACANDBENTONITESTRENGTHENEDSBRTECHNICTREATINGLOWAMMONIUMCONCENTRATIONWASTEWATERYuQun,SheZonglian,LiQian,GaoMengchun(KeyLaboratoryofMarineEnvironmentalScienceandEcology,MinistryofEducation,CollegeoftheEnvironmentalScienceandEngineering,OceanUniversityofChina,Qingdao266100,ChinaAbstract:Atthenormaltemperature,adsorptionabilityofpowderedactivatedcarbon(PAC)andnaturalbentoniteforammoniumwerestudied,respectively;TheammoniumremovalefficiencyofSBRunitsaddedwithPACandbentonitewasalsostudiedthroughanalyzingtheconcentrationofammonium,NO3--Nandthenitrificationactivity.Theresultsshowedthat:PACandbentonitecanabsorbNH4+-NandtheadsorptionabilityofbentoniteisbetterthanPAC;WhenPACandbentonitewasaddedintoSBRsystem,theammoniumremovalefficiencyincreased12%and8%andthenitrogenremovalefficiencyincreased30%and24%,respectively,comparingwiththetraditionalSBR;PACandbentoniteproliferatedthenitritebacteriaanddenitrifyingbacteriathatwereresponsiblefortheenhancednitrifyingfunction.Keywords:SBR;activatedcarbon;bentonite;ammoniumremoval;nitrificationactivityPACSBR。PACSBRSBRPAC。PACTN。[1],.[J].,2006,32(11):7-9.[2],.[M].:,2000:50-51.[3].[D].:,2008.[4].[M].:,2002:1-5.[5].[M].:,2000:424-427.[6]《》.[M].4.:,2002.[7],,.[J].,2008,2(1):22-25.[8]ZostakR,InvanBekkumH.Introductiontozeolitescienceandpractice[M].Amsterdam:ElsevierSciencePublishersBV,1991,5(23):17-20.[9],,,.SMSBRPAC[J].,2002,18(6):5-9.[10]HyungSoolLee,SeJinPark,TaiIlYoon.Wastewatertreatmentinahybridbiologicalreactorusingpowderedminerals:effectsoforganicloadingratesonCODremovalandnitrification[J].ProcessBiochemistry,2002,38:81-88.[11],,.SBR[J].,2007,30(8):78-79.80!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!STUDYONMODIFIEDDOWNFLOWINGBAFFORTREATMENTOFMICRO-POLLUTEDRIVERWATERYinYupeng1,LuShaoming2(1.TheFourthResearchandDesignEngineeringCorporationofCNNC，Shijiazhuang050021,China；2.Dept.ofEnvironmentScience&Eng.,SouthChinaUniversityofTechnology,Guangzhou510006,China)Abstract:DownflowingBAFisoptimized.Thedisadvantagessuchasasymmetricaerating,bigheadlosingandshortrewashperiodareovercomed.ThemodifiedBAFwasusedtotreattwodifferentpollutedwater.Theresultsshowthattheout-flowwaterindexofNH4+-Nis0.17mg·L-1and0.60mg·L-1.Comparedwith1.03mg·L-1and2.50mg·L-1oftherawwater,theaverageoftheremovalrateofNH4+-Nis84.25%and75.87%,andthereisnotcumulationofNO2--N.Theout-flowwaterindexofis2.41mg·L-1and2.44mg·L-1,Comparedwith3.23mg·L-1and5.33mg·L-1oftherawwater,theaverageoftheremovalrateofCODMnis24.05%and46.56%.Keywords:downflowingBAF;NH4+-N;CODMn361184