改性壳聚糖处理重金属废水研究现状李琛

1001-3849201110-0021-05723001。。。X781．1X703．5A2010-10-182011-05-07ResearchStatusofHeavyMetalWastewaterTreatmentbyModifiedChitosanLIChenSchoolofChemistryandEnvironmentalScienceShaanxiUniversityofTechnologyHanzhong723001ChinaAbstractThecommonmodifiedmethodsofchitosanusedinheavymetalwastewatertreatmentwerein-troducedandtheapplicationofmodifiedchitosaninheavymetalandelectroplatingwastewatertreat-mentwasreviewedespeciallyontheadsorptionofheavymetalsfromwastewaterbycross-linkedandgraftedchitosan．Finallythedevelopingtrendofmodifiedchitosaninheavymetalandelectroplatingwastewatertreatmentwasputforward．Keywordsmodifiedchitosanheavymetalwastewaterelectroplatingwastewater1-4-2--B-DRouget1859、。1977“”。1-3。4-7。、pH、、、。·12·2011103310223。。。、。11．11．1．1。。。。、、4-22。“”“”“”。4Zn2+ρZn2+1g/L“”Cd2+、Hg2+。5CuSO4·5H2O、CuAc2·H2O、CuNO32·6H2O、CuCl2·2H2OCTSCu2+、Co2+、Ni2+Zn2+Co2+＜Ni2+＜Zn2+＜Cu2+0．021mol/L。6AECTSCu2+、Ni2+、Co2+AECTSCu2+、Ni2+、Co2+2．42、1．370．39mmol/g。、。、CTS3。7Cu2+Cu-CSCPMCu2+。Cu2+-NH2Cu2+。60mmol/L、40℃、pH=4．0Cu-CSCPMCu2+1．89mmol/gCu2+。8Pb2+Cu2+72．0mg/g48．3mg/g。9La3+Nd3+Eu3+Lu3+MCG99%Langmuir。10-12。Fe3O4/PEMCS6．47mmol/g、pH＜3Hg2+UO22+Hg2+。Hg2+UO22+2．191．38mmol/g。UO22+Hg2+1mol/LH2SO4UO22+2mol/LHCl＞90%。EMCSHg2+UO22+。pHLangmuir2．271．90mmol/gMCSCSLagergrenHg2+UO22+0．0360．026/minEMCS1mol/LH2SO490%。TMCSAu3+Ag+、、、13-14。·22·Oct．2011PlatingandFinishingVol．33No．10SerialNo．223WanNgah15GLA、ECHEGDEpH、Cu2+。pH6Cu2+Langmuir。、-GLA、-ECH、-EGDECu2+80．71、59．67、62．4745．94mg/gEDTACu2+。YoshiakiShimizu16EDTA。pH6Cu2+pHEDTACa2+。pH4～6。R-S．Juang17Cu2+、Ni2+Zn2+、。2mm0．06cm3/gBET60m2/g。pH2～5pH。Cu2+Cu-NiCu-ZnpH5．1～5．34．5～4．9Cu2+Cu2+。1．1．2、pH。。1816--5CT-15CCT-18C14-CT-15CACCT-18CACCT-15C、CT-18C、14-CT-15CAC、14-CT-18CACPd2+、Ag+、Pt4+、Au3+、Cu2+Hg2+Pd2+、Ag+、Pt4+、Au3+、Cu2+Hg2+14-CT-15CAC、14-CT-18CACCT-15CCT-18C。Pd2+、Cu2+Hg2+Pd2+。19NaBH425℃Ni2+、Mn2+Cr6+Ni2+、Mn2+Cr6+116．23、63．83、47．27mg/gNi2+、Cr6+pH3Mn2+pH4。Wang20-。N-CTB。—N-CTABSchiff-CTDA。-Pb2+、Cu2+Cd2+Cu2+。Ramesh21EGDEGMC-CR。pH1～4GMCCRAu3+、Pt4+、Pd2+。Nalini22CMCBCMCFCr6+Cr6+。VandanaSingh23Zn2+。1．2、-。24Cd2+55%91%。25、Cu2+、Pb2+、Cd2+Zn2+pH·32·2011103310223pH9。G．J．Copello26Cd2+、Cr3+Cr6+。2-NHCO-、-NH2-OH。。27VCGρNi2+28．71mg/LpH6．5VCG0．8%ρNi2+＜2mg/L。VCG、pH=4θ25℃t2h1g/LPb2+、Cu2+、Zn2+、Cd2+Ni2+Pb2+127．3mg/g、Zn2+95．6mg/g、Ni2+79．4mg/g、Cu2+71．8mg/g、Cd2+55．7mg/g。pH＜4VCGpH≥4VCG。28CCTSρCr6+108mg/LCCTSCr6+pH=3θ25℃t80minCCTS1g96%。NaOH1mol/L、5mLCr6+CCTS98%。CCTS。CCTS、。29ρCd2+26mg/LpH=5．5、θ25℃、t10min3．3g/L96%—NH2、—C==O—、—C==O—NH—、—CH3—OH。30CAM10．054g/LCAM2mg/LpH=7．8200r/mint3mint4h94%。3、、。、、、。。-、。。1．J．2007273·42·Oct．2011PlatingandFinishingVol．33No．10SerialNo．2237-9．2．J．200830632-33．3．J．200532658-69．4．J．2000163262-266．5．J．2004203193-198．6．J．2005222195-199．7．CuIIJ．2010262103-110．8．J．2006256748-751．9．J．2002203219-221．10．D．20071-124．11．Fe3O4/Hg2+UO22+J．2007309768-772．12．Hg2+UO22+J．2007293184-188．13．Au3+Ag+IJ．2008245434-441．14．Au3+Ag+IIJ．2008246518-525．15WSWanNgahCSEndudRMayanar．RemovalofcopperIIionsfromaqueoussolutionontochitosanandcross-linkedchitosanbeadsJ．ReactiveandFunctionalPolymers2002502181-190．16YoshiakiShimizuSinyaIzumiYoshihiroSaitoetal．Ethylenediaminetetraaceticacidmodificationofcrosslinkedchitosandesignedforanovelmetal-ionad-sorbentJ．JournalofAppliedPolymerScience20049252758-2764．17JuangR-S．ShaoH-J．EffectofpHoncompetitivead-sorptionofCuIINiIIandZnIIfromwaterontochitosanbeadsJ．Adsorption20028171-78．18．J．2001235207-209．19．J．2008378853-856．20ZhikuanYangYutingWangYurongTang．Synthesisandadsorptionpropertiesformetalionsofmesocyclicdi-amine-graftedchitosan-crownetherJ．JournalofAp-pliedPolymer200075101255-1260．21A．RameshH．HasegawaW．Sugimotoetal．Ad-sorptionofgoldIIIplatinumIVandpalladiumIIontoglycinemodifiedcrosslinkedchitosanresinJ．BioresourceTechnology20089993801-3809．22NaliniSankararamakrishnanAwantikaDixitLeelaIy-engaretal．RemovalofhexavalentchromiumusinganovelcrosslinkedxanthatedchitosanJ．BioresourceTechnology200697182377-2382．23VandanaSinghAshutoshTiwariDevendraNarayanTripathietal．Microwaveenhancedsynthesisofchi-tosan-graft-polyacrylamideJ．Polymer20064718254-260．24．J．2007273276-279．25．J．2005468468-470．26CopelloG．JVarelaFMartínezVivotRetal．Immo-bilizedchitosanasbiosorbentfortheremovalofCdIICrIIIandCrVIfromaqueoussolutionsJ．Biore-sourceTechnology200899146538-6544．27．J．200235111-12．28．ⅥJ．2006124100-103．29．J．200723642-45．30．J．200937647-50．·52·2011103310223