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张石磊,江旭佳,洪国良,童美萍(,100871)[],、、、。、,。。[];;[]X703.1[]A[]1005-829X(2013)01-0010-05ApplicationofelectrocoagulationtechnologytowatertreatmentZhangShilei,JiangXujia,HongGuoliang,TongMeiping(SchoolofEnvironmentScienceandTechnology,PekingUniversity,Beijing100871,China)Abstract:Asanenvironment-friendlytechnology,electrocoagulationhasmanyadvantages,suchaslessoccupiedland,widepollutantspeciestoberemoved,highremovingefficiencyandeasyoperation,etc.Therefore,ithasbeenwidelyusedfortreatingvariousnon-biodegradablepollutedwastewaterandinfluencingfactorsofthistechnologyarefullydiscussed.Sometypicalapplicationsofthetechnologytowatertreatmentareanalyzed.Attheend,byusingbibliometricmethod,thehotspotsanddevolopmenttrendofelectrocoagulationtechnologyareanalyzed.Keywords:electrocoagulation;watertreatment;bibliometricanalysis[](2009ZX07212-001)120a,1889〔1〕,1904F.E.Elmore。,1909,1946〔2〕。、、。1、、。;,TiO2〔3〕;;〔4〕、、〔5〕。、、3,。,,,。::M(s)→M(aq)n++ne(1)2H2O(l)→4H(aq)++O2(g)+4e(2):M(aq)n++ne→M(s)(3)2H2O(l)+2e→H2(g)+2OH-(4)、、3()。,。/pH,;,、、。,,,,〔6〕。2,pH、,、、。33120131IndustrialWaterTreatmentVol.33No.1Jan.,201310。pH,,pH〔7〕。,,〔8〕。/〔9〕,/,。,NO3-、Cl-,,。,,。Cl-,,,〔10〕。3,,,。、、。3.1、、、、、,、。,,,。,。M.Aoudjehane〔11〕,、、、pH。200A/m2、0.081S/cm、1cm、pH2,15minCOD、SS72%、98%,0.54kW·h/m3。U.T.Un〔12〕,pH、、PACNa2SO4COD。pH=7、0.035A/cm2、PAC0.5g/L90min,COD165mg/L,98.9%,1kgCOD42kW·h。,Na2SO4。M.Tir〔13〕,,COD99%。3.2,,(5)~(8)。:+→Al[](s)pH4~5(5)+→Al[](s)pH5~6(6):+Al(OH)3(s)→[]pH6.5(7)[](s)+Al(OH)3(s)→[]pH6.5(8),Al(OH)3〔14〕。I.Kabdash〔15〕,、。,。,I.KabdashCO32-、Cl-COD。,Na2CO3COD,NaCl,NaClNa2CO3。E.S.Z.El-Ashtoukhy〔16〕,50(,;),pH、、、NaCl。,pH,pH6.9~11.0,。pH。COD68%、87%。。Z.Zaroual〔17〕,3min、600mVCOD100%、84%。M.Bayramoglua〔18〕,2,。COD、SS,,30A/m2、15min、pH=7、pH=5。2013-01,33(1),:11,0.25、0.80S/m3,3.2。3.310a、、、,〔19〕,,。。F.Akbal〔20〕,Al2(SO4)3·18H2OFeCl3·6H2O,、。Cu、CrNi,45、44.5、394mg/L,399.9%,。,,。I.Kabdash〔21〕ZnNi,TOC170mg/L,Zn、Ni217~232、248~282mg/L,Cl-1.5~1.8g/L。,40%~50%TOC。pH,0.009A/cm2TOC66%,ZnNi100。I.Heidmann〔22〕,Zn、Cu、Ni、AgCr(),、。Zn、Cu、Ni、AgCr,Zn、Cu、NiAg。ZnCr()Cr(OH)3,。3.4,。(1)+Fenton。NiZn,,Fenton。pH2.6、0.022A/cm2,20mmol/LH2O2CODTOC。+Fenton〔23〕。(2)+。,,,,。C.Baude-quin〔24〕++,,600C/L,71%~77%,;,99.94%~99.97%。(3)UASB+。K.Yetilmezsoy〔25〕UASB+。TCOD(29970±1560)mg/L,UASB(3030±600)mg/L,90%,TCOD,。,,pH=5.0、0.015A/cm2、20min。UASB+,COD、90%、92%。,48h,。(4)。,,,。W.Den〔26〕,,,80~200mg/L,80%。4SCI,。“electrocoagulation”“electroco-agulation”“electroflotation”“electrocoagulations”“electrocoagulations”“electroflotations”SCI,SCI1。19191SCI2011233,,1990,,10。SCI,,101。2013-01,33(1)1211910—2011SCISCI,ISI85,SCI1992—1996、1997—2001、2002—2006、2007—20115,。,1992—201110、、、、、、、、。,5a,,34。:TA1992—2011SCI;RSCISCI()。。1992—2011SCI,2。1SCI101992—2011TA1992—2011R1992—1996R1997—2001R2002—2006R2007—2011REngineering()6551(32%)4(8%)5(8%)1(30%)1(51%)Environmentalsciencesecology()3922(19%)13(2.2%)9(3%)2(19%)2(32%)Gastroenterologyhepatology()3413(17%)1(27%)1(31%)3(17%)5(7%)Surgery()3074(15%)2(25%)2(27%)4(14%)6(7%)Waterresources()1925(9%)23(0.94%)20(1.3%)5(7%)3(17%)Obstetricsgynecology()1426(7%)3(16%)3(10%)7(6%)8(3%)Chemistry()1327(6%)16(1.6%)8(4%)6(6%)4(9%)Neurosciencesneurology()1098(5%)5(7%)4(9%)8(6%)7(3%)Generalinternalmedicine()569(3%)7(4%)6(6%)10(3%)21(0.86%)Cardiovascularsystemcardiology()4910(2%)6(6%)14(1.9%)11(2.4%)16(1.3%):TP;R()。2SCI251992—2011TP1992—2011R1992—1996R1997—2001R2002—2006R2007—2011RElectrocoagulation5181(33%)3(15%)1(18%)1(34%)1(43%)Treatment3102(20%)2(16%)2(16%)2(20%)3(22%)Removal2563(16%)93(1.3%)36(2.3%)3(16%)2(25%)Wastewater2184(14%)134(0.88%)48(1.9%)4(14%)22(3.4%)Endoscopic1325(8.4%)1(19%)3(15%)6(7.4%)23(3.3%)Electrochemical1156(7.3%)62(1.8%)70(1.6%)6(7.4%)5(11%)Coagulation1057(6.6%)12(4%)—5(8.3%)8(6.8%)Electrodes1038(6.5%)62(1.8%)70(1.6%)9(5.1%)6(10%)Water1019(6.4%)251(0.44%)48(1.9%)9(5.1%)6(10%)Bleeding8710(5.5%)4(13%)4(10%)9(5.1%)58(2%)Laparoscopic8211(5.2%)6(6.2%)6(8.2%)14(4.2%)16(4.3%)Bipolar7612(4.8%)8(5.3%)5(8.6%)8(5.8%)30(3.1%)Effect5613(3.5%)42(2.2%)18(3.9%)21(3.5%)55(2.2%)Aluminum5414(3.4%)——26(3.2%)11(5.6%)Aqueous5315(3.4%)251(0.44%)—44(2.2%)10(5.7%)Iron5315(3.4%)——51(1.9%)9(6%)Comparison5217(3.3%)31(2.6%)31(2.7%)14(4.2%)23(3.3%)Patients5018(3.2%)5(7%)15(4.3%)26(3.2%)75(1.7%)Dye4919(3.1%)251(0.44%)324(0.39%)37(2.6%)12(5%)Solution4820(3%)251(0.44%)—37(2.6%)12(5%)Surgery4621(2.9%)42(2.2%)10(5.8%)16(3.8%)69(1.8)Chemical4621(2.9%)62(1.8%)--16(3.8%)17(4%)Electroflotation4523(2.8%)23(3.1%)27(3.1%)30(2.9%)36(2.7%)Effluent4424(2.8%)—324(0.39%)98(1.3%)12(5%)Randomized4325(2.7%)12(4%)22(3.5%)16(3.8%)75(1.7%)2013-01,33(1),:131992—2011“electrocoagulation”,“treat-ment”。“wastewater”、“water”、“dye”、“effluent”5a,。5a“iron”、“aluminum”“electrode”321.6%,。5,,,,。,,。,。[1]StrokachYP,Kuz’minSG,MandzhikovVF,etal.Interactionofrubylaserradiationwithatransparentsolutionofphotochromicspiropyran[J].SovietJournalofQuantumElectronics,1975,5(10):2202-2206.[2]ChenGuohua.Electrochemicaltechnologiesinwastewatertreat-ment[J].SeparationandPurificationTechnology,2004,38(1):11-41.[3]BashaCA,BhadrinarayanaNS,AnantharamanN,etal.Heavymetalremovalfromcoppersmeltingeffluen
本文标题:电絮凝技术在水处理中的应用张石磊
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