地下水氟污染的壳聚糖吸附处理工艺白雨平

Vol.31,No.2,2012201231230-33WaterPurificationTechnology[][]2011-k7-52009ZX07028-002-005[]1988-。[e-mail]。[][e-mail]。GB5749—20061.0mg／L1.5mg／L[1]。、5.0mg／L[2]。、[3]。、、[4]。F-、MgF+、CaF+[5]。、、、[6-10]、、。、、、。[11-12][13]。。。11121111.1101682.110032、[1]。、5mg／LGB5749—20061.0mg／L。、。TU991.2A1009-0177201202-0030-04ChitosanAdsorptionProcessforTreatmentofFluoridePollutioninGroundwaterBaiYuping1,GaoYunan1,GuoHaijun2,FuJinxian1,YangYong1,ZhangPingping1(1.SchoolofMunicipalandEnvironmentalEngineering,ShenyangJianzhuUniversity,Shenyang110168,China2.LeadingGroupofWaterPollutionPreventionOfficeofLiaoheRiver,Shenyang110032,China)AbstractExcessivefluorideindrinkingwaterwillbeharmfultohumanhealth,whichcausesdentalfluorosis,fluoridebonedis－ease,etc.InChina,fluorinepollutiondistributesmainlyinnortheast,north,northwestregions,andconcentrationoffluorideinpartsofChinaismorethan5mg／L.However,themaximumallowableconcentrationis1.0mg／LinGB5749—2006.Inthispaperontheba－sisofinvestigationofseveralup-to-dateresearchesregardingfluorideadsorptionusingchitosan,mechanismofadsorption,approachesofimprovementandimpactofcorrelatedfactorsweresummarized.Suggestionswerepresentedforfurtherenhancementinfluorideremoval.Keywordschitosanmodificationadsorptionfluoride30--DOI:10.15890/j.cnki.jsjs.2012.02.020WATERPURIFICATIONTECHNOLOGYVol.31,No.2,2012April25th,2012[14]。[15]1。HHHHHHOOCH2OHNH2OHHHHHOOCH2OHNH2OHn1Fig.1StructuresofChitosan。、、[16]。[17],、。。、[18]。、。2。、。2.1F--NH2-OH[19]。F-F-。、、[20]。Kamble[21]、pH6.7F-3.5mg／g。DilipThakre[22]60min、60min、75℃72h4.7mg／g。[23]pH7.0、50℃、60min1.60g／L99.0%。。2.2F-、、-NH2-NH2、-NH2-OH、-OH-OH[24]。Viswanathan[24]。30℃30min99%。[25]、29.0℃8minF-99.28%。。2.3。[26]、。、。31--Vol.31,No.2,2012[26]。pH5.4、25℃60mg／L95.5%。[27]CaCl2、F-2.28mg／g。。1。1212、1.602.0060—99.099.2895.5[23][25][26]、1Tab.1CharacteristicsofKindsofModifiedChitosan／g·L-1／%1、。[28]。、[26]。。3pH、、。pHOH-。F-OH-OH-F-F-。pH[27]。pHOH-F-F-[29]。pHHF。。、[30]。OH-。[19]。F-。F-。[19]。。[20]。[27]。2。41。2。3.32--WATERPURIFICATIONTECHNOLOGYVol.31,No.2,2012April25th,20122Tab.2AdsorptionOptimumConditionofModifiedChitosanforFluorideRemoval92.5%[26][16]S.Jagtap[31][23]Viswanathan[24][26]6.27.07.037.07.95.4255025503025100400150400-1002060306030158798.490999995.5pH／℃／r·min-1／min／%。4。1WHO.GuidelinesforDrinking-WaterQuality[S].2006.2,.[J].,2009,34(1):42-44.3.[D].:,2007.4,,,.[J].,2005,24(6):46-48.5,,.[J].,2010,(1):35-38.6X.Wu,Y.Zhang,X.Dou,etal.FluorideremovalperformanceofanovelFe-Al-Cetrimetaloxideadsorbent[J].Chemosphere,2007,(69):1758-1764.7N.I.Chubar,V.F.Samanidou,V.S.Kouts,etal.Adsorptionoffluo－ride,chloride,bromide,andbromateionsonanovelionexchang－er[J].JournalofColloidandInterfaceScience,2005,(291):67-74.8,.[J].,2005,24(3):15-18.9W.G.Nawlakhe,D.N.Kulkarni,B.N.Pathak,etal.Defluorida－tionofwaterbyNalgondaTechnique[J].IndianJ.Environ.Health,1975,(17):26-65.10A.Lhassani,M.Rumeau,D.Benjelloun,etal.Selectivedemineral－izationofwaterbynanofiltrationApplicationtothedefluorinationofbrackishwater[J].WaterResearch,2001,(35):3260-3264.11,,.CCF[J].,1998,24(8):65-68.12,.[J].,2009,28(1):15-19.13A.Bhatnagar.Applicationofchitinandchitosanderivativesforthedetoxificationofwaterandwastewaterashortreview[J].AdvancesinColloidandInterfaceScience,2009,(152):26-38.14.[J].,2008,10(3):26-27.15MajetiN.V.RaviKumar.Areviewofchitinandchitosanappli－cations[J].Reactive&FunctionalPolymers,2000,(46):1-27.16,,,.[J].,2009,24(3):113-117.17,,,.[J].,2009,25(4):319-326.18,,.[J].,2010,30(4):16-20.19,,,.[J].,2008,34(12):81-85.20.[D].:,2009.21KambleS.P.,JagtapS.,LabhsetwarN.K.,etal.Defluoridationofdrinkingwaterusingchitin,chitosanandlanthanum-modifiedchitosan[J].ChemicalEngineering,2006,(297):38-45.22D.Thakre.SyntheIsisofLa-incorporatedchitosanbeadsforfluo－rideremovalfromwater[J].JournalofFluorineChemistry,2010,(131):373-377.23,,,.[J].,2008,54(4):421-426.24N.Viswanathan.Developmentofchitosansupportedzirconium(IV)tungstophosphatecompositeforfluorideremoval[J].JournalofHazardousMaterials,2010,(176):459-465.25,,,.F-[J].,2004,18(2):45-46.26,,.[J].,2007,14(3):43-46.27.[D].:,2004.28,,.[J].,2007,26(6):62-65.29,.[J].,2002,10(20):125-128.30MeenaA.K.,MishraG.K.,RaiP.K.,etal.Removalofheavymetalionsfromaqueoussolutionsusingcarbonaerogelasanad－sorbent[J].JournalofHazardousMaterials,2005,(B122):161-170.31S.Jagtap.Newmodifiedchitosan-basedadsorbentfordefluorida－tionofwater[J].JournalofColloidandInterfaceScience,2009,(332):280-290.33--