电浮选方法在废水处理中的应用贺国旭

Vol.29,No.5,2010201029536-41WaterPurificationTechnology。、[1]。[2]。、、、、、[3]。19。2040[4]。2060。80。90,,,。1、。。1,2111.4670002.100081、、、。、pH、、、。X703A1009-0177201005-0036-06ApplicationofElectroflotationProcessesforIndustrialWastewaterTreatmentHeGuoxu1,2,ZhangQiuxia1,YangWeichun1(1.CollegeofChemistryandChemicalengineering,PingdingshanUniversity,PingdingshanHenan467000,China;2.DepartmentofChemistry,BeijingInstituteofTechnology,Beijing100081,China)AbstractThemethodbyusingelectroflotation,whichhasmanyadvantagessuchassimpleequipment,highefficiency,cleannessandwithoutsecondarypollutionwasusedinwastewatertreatment.Thefundamentalprincipleandapplicationofwastewatertreatmentusingelectroflotationwerereviewed.ThemaininfluencingfactorssuchaspH,currentdensityandflotationtimewerealsoreviewed.Theelectroflotationdevicesuchasflotationcellandelectrodematerialswereemphaticallydescribed,andthedevelopmenttrendofelectrofloatationtechnologywereindicated.Keywordselectroflotationwastewatertreatmentflotationtroughelectrodematerialflotationefficiency[][](2008011)[]1980-。[e-mail]。36--DOI:10.15890/j.cnki.jsjs.2010.05.005WATERPURIFICATIONTECHNOLOGYVol.29,No.5,2010October25th,2010、、、[5]。O2H2CO2Cl2。[6]1。、。2、。2.1。1[7]1、2。。、。2。[8]。———。3。2.21[9]。、0.51.21.21Tab.1Comparisonofbubblediametersandaveragedensitiesamongseveralfloatations／μm／g·L-110~3020~60100~150800~1000ab1Fig.1Rectangularflotationtroughababc2Fig.2Verticalflotationtroughabcabcdef3Fig.3Non-currentsystemelectroflotationdeviceabcedf37--Vol.29,No.5,2010201029447-50WaterPurificationTechnology[10]。Pb2+[11-12]。Pt、[13-14]。1963H.Beer[15]Ti、Zr、Ta。。。RuO2-TiO2Cl2[16]。[17]Ti／IrOx-Sb2O5-SnO2。10%molIrOx1000A／m29。IrOx2.5%。2[18]。3、、、、、。、。pH、、。。。2.3、。[19]。、[20-21]4。。[22]。F.Shen[23]5、2mm。。。4Fig.4Conventionalinstallationmethodofelectrodesab5Fig.5Intervalinstallationmethodofelectrodes.38--WATERPURIFICATIONTECHNOLOGYVol.29,No.5,2010October25th,20103。3.1pHpH。pH。[22]。Y.Fukui[24]。Llerena[25]pH3~416μm。pHpH6227μm23μm。3.2。。。Burns[26]200A／m220~38μm。3.3。。4[27]。pH。1、、。。[28]／SS。[29]0.1～0.2A／dm230minCOD56.9%～65%SS43.1%～67.2%。2。。3。V.A.Kolesnikov[30]Cu2+、Zn2+、Ni2+、Cr3+、Fe3+FeOH3、Na3PO4、Na2S。[31]Fe2+、Co2+、Ni2+Fe2+、Co2+、Ni2+100mg／L。4。Anon[32]-、。[33]—T98%。5。pHpH6Fig.6Thetreatmentofwastewatercontainingheavymetalionsbyelectroflotationwithsolubleanode39--Vol.29,No.5,2010。。。6。、、DSA。[17]DSATi／IrOx-Sb2O5-SnO2。5、、、。。、、。、。、。1,,,.[J].,2002,(4):38－41.2,S.O.Varaxin,V.A.Kolesnikov,.—[J].,2003,(12):837－842.3,,.[J].,2001,(1):10－12.4,,,.[J].,2004,36(4):450－455.5,.[M].:,2000.6.()[M].:,1999.7,.[M].:,2003.8M.Murugananthan,G.B.Raju,S.Prabhakar.Removalofsulfide,sulfateandsulfiteionsbyelectrocoagulation[J].JournalofHaz－ardousMaterials,2004,B109:37－44.9X.Chen,G.Chen.NovelElectrodeSystemforElectroflotationofWastewater[J].EnvironmentalScience&Technology,2002,36(4):778－783.10G.Chen,X.Chen,P.L.Yue.Electrocoagulationandelectroflotationofrestaurantwastewater[J].JournalofEnvironmentalEngineering,2000,126(9):858－863.11C.C.Ho,C.Y.Chan.Theapplicationofleaddioxide-coatedtitani－umanodeintheelectroflota-tionofpalmoilmilleffluent[J].WaterResearch,1986,20:1523－1527.12,,,.[J].,2005,33(3):46－50.13D.R.Ketkar,R.Mallikarjunan,S.Venkatachalam.Electroflotationofquartzfines[J].InternationalJournalofMineralProcesses,1991,31:127－138.14C.P.C.Poon.Electroflotationforgroundwaterdecontamination[J].JournalofHazardousMaterials,1997,55:159170.15,,.[J].,2003,(12):1922.16F.Hine,M.Yasuda,T.Noda.Electrochemicalbehavioroftheox－ide-coatedmetalanodes[J].JournalofElectrochemicalSociety,1979,126:1439－1445.17X.Chen,G.H.Chen,P.L.Yue.StableTi/IrOX－Sb2O5－SnO2anodeforO2evolutionwithlowIrcontent[J].JournelofPhysicalChemictryB,2001,105:4623－4628.18.[M].:,1989.19,.[J].,1997,(4):60－61.20C.Llerena,J.C.K.Ho,D.L.Piron.EffectofpHonelectroflotationofsphalerite[J].ChemicelEngineeringCommunications,1996,155:217－228.21A.Y.Hosny.Separatingoilfromoil-wateremulsionsbyelec－troflotationtechnique[J].SeparationTechnology,1996,6:9－17.22G.Chen.Electrochemicaltechnologiesinwastewatertreatment[J].SeperationandPurificationTechnology,2004,38:11－41.23F.Shen,P.Gao,X.Chen.Electrochemicalremovaloffluorideionsfromindustrialwastewater[J].ChemicalEngineeringScience,2003,58:987－993.24Y.Fukui,S.Yuu.Removalofcolloidalparticlesinelectroflotation[J].AIChEJournal,1985,31(2):201－208.25C.Llerena,J.C.K.Ho,D.L.Piron.EffectofpHonelectroflotationofsphalerite[J].ChemicalEnginearingCommunications,1996,155:217－228.26S.E.Burns,S.Yiacoumi,C.Tsouris.Microbubblegenerationforen－vironmentalandindustrialseparations[J].SeperationPurificationTechnology,1997,11:221－232..40--WATERPURIFICATIONTECHNOLOGYVol.29,No.5,2010October25th,2010[J].,2004,23(1):22-29.22.()[S],2007:2-3.23GunesK.Restaurantwastewatertreatmentbyconstructedwet－lands[J].Clean-SoilAirWater,2007,35(6):571-575.24SengorurB,OzdemirS.Performanceofaconstructedwetlandsys－temforthetreatmentofdomesticwastewater[J].FreseniusEnvi－ronmentalBulletin,2006,15(3):242-244.25,,,.[J].(),2008,29(1):96-100.26,,,.[J].,2004,5(2):11-15.27,,,.[J].,2005,31(4):10-13.28,,,.[J].,2008,30(8):8