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414Vol.41No.4201811JournalofZhejiangNormalUniversityNat.Sci.Nov.2018DOI10.16218/j.issn.1001-5051.2018.04.015*321004SBRCASTA/OA2/O5、、、、、6.110-1~103μg/L2CAST63CASTSBR74.26%71.00%66.22%CAST74.56%SBR67.87%A/O72.10%4.X832A1001-5051201804-0454-05StudyontheremovalofheavymetalsfromsmallmunicipalsewagetreatmentplantsWANGFangyuanLIUShuxieCAOLeiHULimeiCollegeofGeographyandEnvironmentalSciencesZhejiangNormalUniversityJinhua321004ChinaAbstractInordertoexploreontheremovalefficiencyofheavymetalsbydifferentsewagetreatmentproces-ses.TheexperimentthroughtheinvestigationofSBRCASTA/OA2/OandoxidationditchoffivetypicalmunicipalsewagetreatmentplantsofZhejiangProvice.ThemicrowaveplasmaatomicemissionspectrometerwasusedtodetermineandanalyzethecontentsofCrNiZnCuCdPbforimportandexportofwater.Theresultsshowedthat1Theconcentrationrangeofheavymetalswas10-1~103μg/Linimportwaterofsewagetreatmentplants2ComparedwithseveralotherprocesstheremovalefficiencyofsixheavymetalswasbetterbyCAST3TheremovalefficiencyofZnwasbestbyCASTSBRandoxidationditchtheremovalrateof74.26%71.00%and66.22%respectivelytheCASTprocessofCuremovalefficiencywas74.56%andtheSBRprocessofNiremovalratewas67.87%theA/OprocessofCrremovalratewas72.10%4Theremovaleffectofheavymetalswasdifferentindifferentsewagetreatmentprocesses.Keywordssewagetreatmentplantsremovalprocessheavymetalsremovalefficiency*2018-03-072018-04-19LY17E0800031966—..、、、1-2.A/Oanoxic/oxic-A2/Oanaerobic-anoxic-oxic--SBRsequencingbatchreactoractivatedsludgeprocessCASTcyclicactivatedsludgesystem3...4SBRT30℃pH5Cu2+Zn2+50%5-7..0.50mg/L0.01mg/L1.00mg/L0.10mg/L.A/O、A2/O、SBR、CAST5、、、、、6.11.11T6AL2004EMDMilliporeElixEssential5-MP4200.2、、、、、6GR、GR、GR、.1.2、10m3/d.5ABCDE.ASBR2m37∶3BCAST8m330%CA/O4m335%D2.5m330%EA2/O4m330%.TPTNNH4+-NCODCrpH≤22~5℃1L10mLHNO32~5℃14d..1.3100mL250mL10mL50mL.-、、、、、6.MP42000.9999.origin9.0.22.15《》GB18918—2002A.1.2.255446.《》GB18918—200221.1mg/LTPTNNH+4-NCODCrSSTPTPTNNH+4-NCODCrSSA6.7±0.3018±0.2010±0.04156±365±10.5±0.036.4±0.700.5±0.0434.0±1.323±1B3.5±0.5034±0.3017±0.60225±460±30.5±0.0313±0.700.8±0.0132.5±1.231±1C7.2±0.4019±0.1011±0.08173±263±10.5±0.047.2±0.300.5±0.0230.0±1.025±2D4.7±0.1032±0.1019±0.20210±557±40.6±0.0613±0.501.3±0.0336.5±1.027±1E4.1±0.2037±0.0521±0.30240±371±50.9±0.1016±0.501.1±0.0737.0±1.135±1.2mg/LGB18918—20022016Zn1.000.105.00Cd0.010.010.05Cu0.500.012.00Ni0.050.051.00Pb0.100.100.50Cr0.100.101.501ZnCdCuNiPbCr、8-9.SBRCASTZn65.00%CASTZn74.26%ZnSBRCAST、pH.SBRCASTA/OA2/OCdPb40%10.CASTCu74.56%SBRNiA2/ONiSBRA/OCr72.10%SBR10.00%.Zn11.1.5A2/OA/O12A2/OCr6542018A/OSBR--Zn13ZnCr14.3SBRZn>Ni>Cd>Cu>Pb>CrCASTCu>Zn>Cr>Pb>Ni>CdA/OCr>Cu>Zn>Pb>Ni>CdZn>Cd>Ni>Cu>Pb>CrA2/ONi>Cr>Cu>Zn>Cd>PbCAST.CASTSBRSBR.5.36.COD350mg/L.Chipasa15Pb0.05mg/L2Pb0.05mg/LPb.2.34A/O0.05.4SBRA/OCASTA2/OSBR-0.4910.0910.758*0.410A/O-0.4910.529-0.2590.368CAST0.0910.5290.3060.2500.758*-0.2590.3060.044A2/O0.4100.3680.2500.044*0.05.5kg/dSBRCASTA/OA2/OZn1.94753.46520.78179.01316.0892Cd0.01460.00340.00290.00560.0058Cu0.15484.25560.26300.06440.3814Ni0.61460.22760.03970.12260.7404Pb0.13220.54120.20390.11530.2672Cr0.01220.80560.84510.02030.25582.4《》GB4284—1984.、16-17.ZnCdCuNiPbCr5.57544Zn9.0131kgCASTCu4.255kgCdNiPbCr1kg.、.31510-1~103μg/L.2SBRZn>Ni>Cd>Cu>Pb>CrCASTCu>Zn>Cr>Pb>Ni>CdA/OCr>Cu>Zn>Pb>Ni>CdZn>Cd>Ni>Cu>Pb>CrA2/ONi>Cr>Cu>Zn>Cd>Pb.3A/OCrSBRCdNiCASTZnCuPb.4、.Ⅲ.....1WongLHenryJG.DecontaminatingbiologicalsludgeforagricultureuseJ.WaterScienceandTechnology1984174575-586.2.D.2006.3.J.200733653-55.4.SBRJ.201026571-74.5.J.2014111-3.6.J.20161286-89.7.J.2016341104-108.8SulaymonAHYousifSAAl-FaizeMM.CompetitivebiosorptionofleadmercurychromiumandarsenicionsontoactivatedsludgeinfixedbedadsorberJ.JournaloftheTaiwanInstituteofChemicalEngineers2014452325-337.9MarciaCMarlenGMauricioEetal.AdsorptionisothermsofcopperleadnickelandzincintwoChileansoilsinsingleandmulti-componentsystemsSewagesludgeimpactontheadsorptionisothermsofDiguillinsoilJ.AustralianJournalofSoilResearch200846153-61.10.J.201010152-55.11SrrmeLLagerkvistR.SourcesofheavymetalsinurbanwastewaterinStockholmJ.ScienceoftheTotalEnvironment20022981131-145.12.J.201433414-18.13.Zn2+J.2011272180-82.14.J.201010152-55.15ChipasaKB.AccumulationandfateofselectedheavymetalsinabiologicalwastewatertreatmentsystemJ.WasteManagement2003232135-143.16.J.201735S255-260.17.J.20171329-31.8542018
本文标题:城镇小型污水处理厂对重金属的去除王方园
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