含砷饮用水处理技术综述陈雪梅

陈雪梅　胡锋平(,　330013)　:,,、,,。:　　　　　　。,。,,;2003,[1]()8,40,230,0.05mg/L52,7800。,。1　,arseni-kon(),。,As(V)、As(III)、As(0)As(-III)[2]。,。,(NaAsO2)(Na2HAsO4),。,[3]。,、[4][5]。[4],,;[4],、、、;[6],[7-8]。,。2　,。,,()[9]。、[7]。,。:、、;:、、;、[10]。[11],,:(a)FeSO4,Fe2+As1.5,pH=8,AsO3-94%,AsO2-0;(b)FeCl3,Fe3+As1,pH=8～9,AsO43-90%,AsO2-95%。Shen,Y.S.[9],,1.0mg/L,20mg/L、、,82%、32%、24%20%。。Logsdon[11],,0.31～0.35mg/L,0.003～0.006mg/L,91%～94%,40%～60%;75%～79%,,10%～20%。,。[8]As(V)0.05～0.12mg/L,FeCl325mg/L,0.01mg/L,FeCl3,,,。[13]As(V),、,,Fe3+4mg/L、Al2(SO4)350mg/L,As(V),As(V)0.142　　　20094　DOI:10.14127/j.cnki.jiangxihuagong.2009.04.059mg/L0.01mg/L,1.68×10-3mg/L,As(V)。,,。,,、。[14],,,。0.05mg/L、0.1mg/L0.5mg/L,,12mg/L,,0.1,0.2,0.5,1.0,1.5,2.0mg/L,1min,,,,。,。[12],,,(K2FeO4)15:1,pH5.5～7.5,10min,30min,(0.05mg/L)。LeeYunbon[12](Fe6+)As(III)Fe3+As(V),2.0mg/L,,FeCl3,As3+:Fe6+3:2,0.5～2mg/L,≤0.05mg/L。[13],(As3+)1.0mg/L,1mg/L,9.5%0.1mL,As3+0～0.024mg/L。,pH。S.R.Wickramasinghe[18]Fe2(SO4)3,6mg/L,,,pH8.7,0.052mg/L;pH6.2,0.006mg/L。14:100μg/L,100NTU,20℃,,12mg/L;,1mg/L,pH6.0,6.5,7.0,7.5,8.0。:,,pH6.08.0,pH,80%。[14]。19℃,100μg/L,,1.0mg/L,1min;,20,100,400NTU,CODMn1.4,2.9,5.4mg/L,,,2.0,4.0,6.0,8.0,10,12mg/L。:,,;,,,;,,,,。Song[19],As(V)5mg/L,(38～74μm),As(V)13μg/L,99%。,,,,。3　3.1　、,、,[20]。,、[21-22]。、、、、、[4-5][21]。6[23]:,,,,。[24]MnO2,:MnO2As(III),,pH7,As(III)80%,As(III)100%。3.2　OH,pH7[4-5][25]。[26],5mg/L,20g/L,0.01mg/L。3.3　,[27],43　200912　　　,,、、,、、。,,[22]。3.4　、[4][20],,(),[7]。、[28]。3.5　[4],。,,[29]。,(1/40～1/20),,,,,[4]。4　,,,。,。,,[25];,,[25];,,、、、[4][25];[22];、、[28],,。,,,:()、、、、,。[1],,.()[J].,2003,32(6):519-540.[2]G.A.Cutter,Kineticcontrolsonmetalloidspeciationinseawater,MarineChem.,40(1992)6580.[3]ThomasS.Y.Choong,T.G.Chuah,Y.Robiah,etal.Arsenictoxicity,healthhazardsandremovaltech-niquesfromwater:anoverview.[J].Desalination,2007,(217):139-166.[4],,.———··[M].:,1992.8[5],,.[M].:,2000.5.[6],,.[J].,2008,37(3):347-348.[7],,.[D].:,2007,1-5.[8],,.[J].,2007,23(1):44-48.[9]Shen,Y.S.StudyofArsenicRemovalFromDrinkingWater[J].AmericanWaterWorksAssociation,1973,65(8):543-548.[10].[M].:,2003.4.[11].[J].,1994,7(4):23-25.[12]GSLogsdon,TJSorg,JMSymons.Removalofheavymetalsbyconventionaltreatment[J].Proc.16thWa-terQualityConference,UniversityofIllinois,Urbana,IL,1974:111-113.[13],,.As(V)[J].,2007,28(10):2198-2202.[14],.[J].,2007,26(2):25-27.[15],,.[J].,2006,27(2):281-284.[16]LeeYunbo,UmIK-Hwan,YoonJeyong.Arsenic(III)OxidationbyIron(VI)(Ferrate)andSubse-quentRemovalofArsenic(V)byiron(III)coagula-tion[J].EnvironmentalScienceandTechnology,2003,37(24):5750～5756.[17],,.[J].,2002,19(3):218-219.[18]S.R.Wickramasinghe,BinbingHan,J.Zimbron,etal.Arsenicremovalbycoagulationandfiltration:com-parisonofgroundwatersfromtheUnitedStatesandBangladesh.[J].Desalination,2004,(169):231-244.[19]SSong,ALopez-Valdivieso,DJHernandez-44　　　20094　Campos,etal.Arsenicremovalfromhigh-arsenicwaterbyenhancedcoagulationwithferricionsandcoarsecalcite[J].WaterResearch,2006,40(2):364-372.[20].,(V)[D].:,2006:1-6.[21].[J].,2008,(6):78-79.[22],,.[J].,2007,26(5):37-41.[23],,.[J].,2007,23(6):44-48.[24],,.[J].,2005,27(3):168-172.[25],,.[J].,2008,27(1):87-92.[26],,,.[J].,2003,22(6):591-595.[27],.[J]..1999,4:17～19.[28],,.[J].,2004,24(7):13-17.[29]MichaelW,Grutzeck,JudithA.Synthesisofdouble-LayerSilicatesfromRecycledGlassCullet:ANewtypeofChemicalAdsorbentEnviron.[J].Sci.Technol,1999,33:312～317.＊::(2008GZC0053).ReviewontheArsenicRemovalTechnologiesinDrinkingWaterChenXuemei　HuFengping(SchoolofCivilEngineeringandArchitecture,EastChinaJiaotong,University,JiangxiNanchang,330013)Abstract:Variousprocessingtechniquesforarsenicremovalweresummarized.Theresearchprocessesfortheresearchpro-gressofcoagulation-precipitationontheremovalofarsenicindrinkingwaterwasemphasislyintroduced.Fivekindsofothertechniques,suchasadsorption,ionexchangetechniquesandsoon,wereanalyzed.Theadvantagesanddisadvanta-gesofthetechniquesonarsenicremovalindrinkingwaterwerecompared.Furthermore,theapplicationconditionsofthesetechniqueswereindicated.KeyWords:drinkingwater　arsenicremoval　coagulation-precipitation　adsorption　ionexchange45　200912