电絮凝流态化微电解耦合法处理铅锌冶炼废水中铅氟孙晗

。、、、、。、、。、、、[1-3]。。。、、Fe(OH)2、Fe(OH)3、Al(OH)3、、。、、、、、[4-9]。。、[10-12]。-。11.1、NaCl、1,2-、10%、10%、5%、10%。。1.21-4mm2.5cm、52%300。。－1121111.6505002.620900“-”pH、、、、、、。、pH4.0、30min、45g、5V、20～27-99.9%82.7%GB8978－1996。X758A1000-3770(2016)[e-mail][e-mail]:10.16796/j.cnki.1000-3770.2016.11.0184211201611Vol.42No.11Nov.,201689。。1.3[13]10%AA-240FS。[14]PXSJ-216F、。22.1--1。pHA、B、C、D、E、4.5cm260L/h、50mg/L。-2。DBACE。98%。pH5pH5F-Al3+pH6AlF2+、AlF2+AlF3F-OH-pH。1827、。Fe(OH)3、Fe(OH)2[15]。1-Fig.1Schematicdiagramsoftheelectrocoagulationandfluidizedmicro-electrolysiscoupledmethod24.1969.4585.8174.6471.4387.0765.4582.7284.0886.7384.8069.3362.4952.5881.7285.9715.0117.3524.5723.6716.3520.8821.2027.5118.6521.5120.8820.5719.9321.5128.0924.87AB/minC/g1234567891011121314151633334444555566664560759045607590456075904560759075100125150100751501251251507510015012510075510152015205102015105105201514～1718～1920～2728～3428～3420～2718～1914～1718～1914～1728～3420～2720～2728～3414～1718～1996.9699.1699.3799.6598.8099.1499.6699.1898.5799.2899.4499.7799.5899.7499.2098.8697.1499.4599.61100.0099.0999.6899.28100.0098.6999.9199.7299.6198.2999.4299.6299.81D/VE/F-/%Pb2+/%1Tab.1Rthogonalexperimentusingprocesswithtwoelectrodes421190、-pH4.0、75min、125g、15V、18～27。2.2--。-。299.67%84.69%98.90%21.69%-、。2.3--、3pH420～271.4cm260L/h、50mg/L。4。40min45～60g7V。-30min45g5V。99.01%94.13%。2.4-pH4。-。5。5-GB8978－1996-。4Tab.4RangeanalysisofrthogonalexperimentusingprocesswithfourelectrodesK1K2K3R97.8399.2699.561.7398.5099.0499.110.6182.8790.5890.517.6481.4390.6391.9010.4798.2098.9199.541.3482.8690.2090.918.05B/minC/gC/gD/VF-/%B/minPb2+/%D/VB/min123456789202020303030404040304560304560304560357573735C/gD/VPb2+/%F-/%96.4898.1098.9099.0999.8098.8999.9199.2299.5467.0888.2293.2691.7092.6186.2889.8290.9391.973Tab.3Rthogonalexperimentusingprocesswithfourelectrodes2Tab.2RangeanalysisofrthogonalexperimentusingprocesswithtwoelectrodesK1K2K3K4RK1K2K3K4R98.7999.2099.2799.350.5699.0599.5199.4899.290.4698.4899.3399.4299.370.9498.3099.6299.5699.861.5598.6099.2399.2299.540.9499.0999.4499.4399.370.3699.0399.3499.0899.140.3198.8699.3799.6199.500.7463.5276.6781.2470.6917.7120.1521.4920.4023.603.4560.5573.9679.4578.1718.9017.4920.3123.6824.156.6770.5172.9876.3072.335.7920.4120.5923.0621.582.6552.8974.8782.4981.8829.6019.5721.4221.8322.823.2568.8476.2476.1870.867.4023.0320.5221.4920.602.51AB/minC/gD/VF-/%AB/minC/gD/VE/98.6699.0699.4799.410.8199.1799.3199.3099.560.39E/Pb2+/%－9131-4、pH4.030min45g5V20～27。50mg/L、200mg/L。GB8978－1996。2。3-pH。4。[1].[J].,2011,29(5):105-107.[2],,,.[J].,2015(4):31-33.[3],.[J].,2009,30(3):16-18.[4],,.--CMF[J].,2009,35(07):107-110.[5],,,.[J].,2013(S1):61-65.[6].-[D].:,2010.[7],,,.-[J].,2013,31(4):32-34.[8]IbrahimDS,LathalakshmiM,MuthukrishnarajA,etal.Analternativetreatmentprocessforupgradeofpetroleumrefinerywastewaterusingelectrocoagulation[J].PetroleumScience,2013,10(3):421-430.[9]FengJW,SunYB,ZhengZ,etal.Treatmentoftannerywastewaterbyelectrocoagulation[J].JournalofEnvironmentalSciences,2007,19(12):1409-1415.[10].[D].:,2007.[11]GangL,GuoS,LiF.Treatmentofoilfieldproducedwaterbyanaerobicprocesscoupledwithmicro-electrolysis[J].JournalofEnvironmentalSciences,2010,22(12):1875-1882.[12]JinYZ,ZhangYF,WeiLI.Micro-electrolysistechnologyforindustrialwastewatertreatment[J].JournalofEnvironmentalSciences,2003,15(3):334-338.[13]《》.[M].4.:,2002.[14]GB7484-87[S].,1987.[15]LiuR,GongW,LanH,etal.Simultaneousremovalofarsenateandfluoridebyironandaluminumbinaryoxide:Competitiveadsorptioneffects[J].Separation&PurificationTechnology,2012,92(1):100-105.pHPbFCuZnCdAs0.44ρ/(mg·L-1)3.145240.5005.02549.3756.2002.6964.00ρ/(mg·L-1)3.06422.1774.68049.1326.1101.302--/%6.11ρ/(mg·L-1)0.0013.8330.0011.6430.0640.004-99.982.799.996.599.099.75Tab.5TheoptimalparametersofthefollowingparagraphsdealwiththesituationfortreatmentofactualwastewaterRemovalofLeadandFluoridefromWastewaterbytheCouplingofElectrocoagulation,FluidizedBedandMicro-electrolysis(EC/FB/ME)ProcessSunHan1,VoAnhKhue1,2,XuXiaojun1,FengShilin1,WangKairui1（1.FacultyofEnvironmentalScienceandEngineering，KunmingUniversityofScienceandTechnology,Yunnan650500,China;2.FacultyofChemicalEngineering,TuyHoaIndustrialCollege,PhuYen620900,Vietnam）Abstract:Thecombinedprocessofelectrocoagulation,fluidizedbedandmicro-electrolysis(EC/FB/ME)wasusedtotreatleadandzincsmeltingwastewater.Theinfluenceoftheexperimentalconditions,whichincludesinitialpH,hydraulicretentiontime,massofFe/C,appliedvoltage,andparticlediameterofFe/C,ontheremovalrateofPb2+andF-ionsinthewastewaterhavebeeninvestigated.Theremovalratesofdifferentmaterialsandnumberofelectrodeshavebeenalsoconsidered.TheresultsshowthattheoptimalconditionsoftheEC/FB/MEprocessareinitialpH4.0,reactiontime30min,massofFe/C45g,appliedvoltage4V,particlediameterofFe/C20~27mesh.Undertheseconditions,theremovalrateofPb2+andF-are99.9%and82.7%,respectively.AlltheheavymetalironsconcentrationsintheoutletwastewatermeettheprimarystandardsoftheIntegratedWastewaterDischargeStandard(GB8978-1996)inChina.Key