高氨氮废水短程硝化系统影响因素研究吴雪

6L.[J].,2013,36(6L):5-9.WuXue,ZhaoXin,LiuYi-wei,etal.Theeffectsofenvironmentalfactorsonhighstrengthammoniawastewatertreatmentbyshortcutnitrificationprocessing[J].EnvironmentalScience&Technology,2013,36(6L):5-9.1,21*11221.1101612.110168SBR、pHDO。30℃NH4+-NNO2--N。pHNH4+-NNO2--NpH8.5NO2--N。DOAOBNOBDO0.7~0.9mg/LAOBNO2--N。SBRpHDOX703Adoi10.3969/j.issn.1003-6504.2013.6L.0021003-6504(2013)6L-0005-05TheEffectsofEnvironmentalFactorsonHighStrengthAmmoniaWastewaterTreatmentByShortcutNitrificationProcessingWUXue1,2,ZHAOXin1*,LIUYi-wei1,BAOZhen-yu1,KANGHan2,NIUMing-fen21.LiaoningAcademyofEnvironmentalSciences,Shenyang110161,China;2.CollegeofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,Shenyang110168,ChinaAbstractTheeffectsoftemperature,pHandDOonhighstrengthammoniawastewatertreatmentbyshortcutnitrificationprocessinginasequencingbatchreactor(SBR)werestudied.Theresultssuggestthatincreasingthetemperaturecanpromotetheshortcutnitrification.ThebestNH4+-NremovalrateandNO2--Naccumulationratewereobservedwhenthetemperaturewas30°C.SuitablepHwasbeneficialforammonianitrogenremovalandnitriteaccumulation,andthebestNO2--Naccumu－lationwasfoundatpH8.5.Thedissolvedoxygen(DO)concentrationwasimportantforthegrowthbalanceofam-ammoni－umoxidationbacteria(AOB)andnitriteoxidationbacteria(NOB).Abestshortcutnitrificationwiththehighestnitriteaccu－mulationof80%andthedominantpopulationsofAOBwasobtainedwhenDOconcentrationwas0.7~0.9mg/L.KeywordsSBR;shortcutnitrification;temperature;pH;DO;highstrengthammoniawastewater《》2012-10-232012-12-11(2013ZX07202);(2012M510832)(1987-)()[e-mail]*()[e-mail]。、、。SBR。。21am-ammoniumoxidationbacteriaAOB2nitriteoxidationbac－teriaNOB。。25%40%1.5~2、[1-6]。EnvironmentalScience&Technology366L20136Vol.36No.6LJune.2013EnvironmentalScience&Technology366L20136Vol.36No.6LJune201336。AOBNOBNOB。NH4+-N、、pH、DOSRTNO2--N[7-10]。、pHDOAOB。[11]28℃28℃35℃40℃,。[12]pH7.0~9.0NO2--N75%~80%[13]pH7.8~8.7NO2--N90%。[14]DO=0.5mg/L80%＞90%。[15]DO0.5~1.5mg/LNH4+-NNO2--N。[16]DO0.3～0.8mg/LpH8.3～8.5。、pHDO。SBR。。11.1SBR60L1。7h0.5h、5h、1h、0.5h20L。1.23dSBR30℃pH8.5~9.040dNO2--N。COD217~352mg/LPO43--P4.7~8.5mg/LKH2PO4NH4+-N100~130mg/LNH4ClMLSS3500~4500mg/L。1.320~35℃5℃NH4+-NNO2--NNH4+-NNO2--N。1。pHDO4。pH5dpH7.5pH8.0pH8.5pH9.0。DO4dDO=0.4mg/LDO=0.8mg/LDO=1.2mg/LDO=1.6mg/L。NH4+-NNO2--NNH4+-NNO2--NpHDO。1.4CODNH4+-NNO3--NNO2--NN-(1-)-1~10d20℃21~30d25℃41~50d30℃35℃61~70d35℃20~25℃25~30℃30~35℃11~20d21℃31~40d21℃51~60d21℃166LMLSSpHDOHACH。22.14NH4+-N2。20℃NH4+-N75%NH4+-N2081.25%。10d30℃20℃NH4+-N。NH4+-N80%4083.35%。30℃10dNH4+-N5085%。NH4+-N。35℃4dNH4+-N。NH4+-NNH4+-N。NH4+-N。SBR30℃[11]。NH4+-NNO2--N4NO2--N3。3NO2--N30℃~35℃65%NO2--N55mg/L。35℃NO2--N7062%NO2--N48.94mg/L30℃~35℃。AOBNO2--N30℃AOBNO2--N。AOB。2.2pHSBRpH20dNH4+-NNO2--N45。NH4+-NpHpH8.5NH4+-N82.86%。pH7.5~8.0AOBNOBH+pHNH4+-N56%。pH8.5NH4+-N71.36%82.86%。16pH9.0NH4+-N。pHAOBNOB7362NH4+-N。pHNO2--NpH7.5NO2--N60%AOB。pHNO2--NpH8.575.88%NO2--N40.14mg/L79.21mg/LNO3--N9.11mg/L。pH9.0NO2--N。pHAOBNO2--NpHpH＞9.0AOBNO2--NpH8.5。H+NH4+-N。NH4+-NpHH+。AOB。SBRpH8.5。2.3DODONH4+-N。DODO=0.4mg/LNH4+-N86%DO0.8mg/LNH4+-N889%NH4+-N13.45mg/L。9DO1.2mg/LNH4+-N1186.25%。DO1.6mg/LNH4+-NDO=0.4mg/L。DO0.8mg/LSBRNH4+-N。DOSBRNO2--NNH4+-N7。DODO=0.4mg/LAOBNOBNO2--N。DO0.8mg/LAOBNOBAOBDONOBAOBNO2--N9NO2--N79.86%。DO1.2mg/LDOAOBNOBAOBNO2--NNOBNO3--NNO2--N。DOAOBNO2--N。DONO2--NDONOBNO2--N。SBRDO0.8mg/L。31SBRNH4+-N86LNO2--NNH4+-N。30℃NH4+-N83.35%。35℃NH4+-N。SBRNO2--N30℃60%NO2--NNO2--N55mg/L。。2pHAOBNH4+-NNO2--NpH8.5NH4+-N83%NO2--N76%。DO0.8mg/LAOBNOBNO2--N。DONO2--NSBRDO0.8mg/LNO2--N82mg/LNO2--N80%。3SBR30℃pH8.5DO0.8mg/L。[][1],,,.[J].,2011,37(9):163-168.LiZe-bing,LiJun,LiYan,etal.Researchofshortcutnitri－ficationanddenitrificationtechnologydevelopment[J].Wa－ter&Wastewater,2011,37(9):163-168.(inChinese)[2]PolliceA,TandoiV,LestingiC.Influenceofaerationandsludgeretentiontimeonammoniumoxidationtonitriteandnitrate[J].WaterResearch,2002,36(10):2541-2546.[3],,,.SBR[J].,2010,26(6):1119-1204.YangHui,CuiHui-hui,ZhangYu,etal.Start-upandsteadyoperationofshort-cutnitrificationinasequencingbatchre－actor[J].JournalofShenyangJianzhuUniversity,2010,26(6):1119-1204.(inChinese)[4],,,.[J].,2008,40(10):1552-1557.Biologicalnitrogenremovalwithnitrificationanddenitrifi－cationvianitritepathway[J].JournalofHarbinInstituteofTechnology,2008,40(10):1552-1557.(inChinese)[5],,.DOpH[J].,2006,7(1):37-40.GuoHai-juan,MaFang,ShenYao-liang.EffectsofDOandpHonnitrosofication[J].TechniquesandEquipmentforEnvironmentalPollutionControl,2006,7(1):37-40.(inChi－nese)[6],,,.[J].,2003,19(7):l-4.ZhangXiao-ling,WangZhi-ying,PengDang-cong,etal.Studyonshort-cutnitrificationofactivatedsludgeprocessatlowdissolvedoxygen[J].ChinaWater&Wastewater,2003,19(7):l-4.(inChinese)[7],,,.[J].,2002,18(6):29-31.ZhangYing-jie,ZhangJun-chao,HuYue-cheng,etal.Thecontrolwaysofnitrousacidtypenitration[J].ChinaWater&Wastewater,2002,18(6):29-31.(inChinese)[8],,,.pH[J].,2010,26(2):316-320.FuJin-xiang,HanJin-ying,QiJian-hua,etal.StudyontheshortcutnitrificationprocessunderlowdoandhighpHconditioninnormaltemperature[J].JournalofShenyangJ