高浓度聚合氯化铁混凝剂的净水效果

*苗晶1,2岳钦艳1**高宝玉1刘玉真1(1,,250100;2,,266003).,.:FeCl3,(PFC),COD;W/FePFC,,,.(PFC),,,COD,UV254.(PFC),,,,,,[1].W,PFC;;,(PFS).111PFCFeCl36H2O,,W/Fe004,008,012,015W,Na2CO3B,W/FeBPFC,PFC().(FeT)9%.12PFC(120rmin-1)500mlPFC(FeT,mgl-1),2min(60rmin-1)7min,10min,.,Zeta.NaOHHClpH.UV754UV254[2];[3];COD[4].200318*(No:Q99B05).**.23120041ENVIRONMENTALCHEMISTRYVol.23,No.1January2004221PFC,30NTU,pH=772,370nm0170.B=15PFCFeCl3PFSPAC,1.1,PFCFeCl3PFS,PAC,.1PFCFeCl3PFSPACFig.1ThecompareofremovingturbidityanddecolorizationefficienciesamongPFC,FeCl3,PFSandPAC22PFC(2002318),:pH=860,=756NTU,SS=2200mgl-1,.B=15PFCFeCl3,PFSPAC,2.2,PFS,FeCl312mgl-1,;4mgl-1,FeCl3B=15PFC.2PFC,FeCl3,PFSPACFig.2TheremovingturbidityefficienciesofPFC,FeCl3,PFSandPACforYellowriverwater23PFC,1041mgl-1,CODCr=7484mgl-1.3B=15PFCFeCl3.3,CODPFCFeCl3,810mgl-1631:.W/FePFC:CODW/Fe,8mgl-1,PFC(B=15,W/Fe=015),7202%,COD5510%.FeCl3PFC(B=15,W/Fe=015),,COD.,W/Fe,W,PFC,COD.3PFCFeCl3Fig.3TheoilremovingefficiencyofPFCandFeCl324PFC,.:pH=728,=74NTU,UV254=0893,pH=640,COD=2269mgl-1.B=15PFC,1.W/Fe=004,.UV254W/Fe.1PFCTable1TheremovingturbidityefficienciesofPFCforXiaoqingriverwater/mgl-11246810W/Fe=00450372620175164W/Fe=008493821142137104(NTU)W/Fe=012513823164136105W/Fe=015564119914512194W/Fe=004828689529618839582867843CODW/Fe=008917578437985873080647621(%)W/Fe=012673391756955806470526422W/Fe=015673382864293628976218952W/Fe=004082407080592051704710439UV254W/Fe=008083607470580048404660410W/Fe=012087307770648056905260470W/Fe=01508900788062905330507047164233(1)W/FePFC.B,W/FePFC.(2)pHPFC.FeCl3PFS,PFC(B=15,W/Fe=012B=15,W/Fe=015)pH.(3),W/FePFC,,,.[1],,.,1999,19(6)2627[2]IdilArslan,IislAkmehmetBalcioglu,DetlefW,BahnemannAdvancedChemicalOxidationofReactiveDyesinSimulatedDyehouseEffluentsbyFerrioxalateFenton/UVAandTiO2/UVAProcesses.DyesandPigments,2000,47207218[3],(IMn).,2001,20(2)202[4],,,.:.1987,297299[5],,.,1993,21(3)344348WATERPURIFICATIONBYHIGHCONCENTRATIONPOLYFERRICCHLORIDE(PFC)COAGULANTMIAOJing1,2YUEQinyan1GAOBaoyu1LIUYuzhen1(1EnvironmentalScience&EngineeringSchool,ShandongUniversity,Jinan,250100;2CollegeofEnvironmentalScienceandEngineering,OceanUniversityofChina,Qingdao,266003)ABSTRACTAseriesofhighconcentrationpolyferricchloride(PFC)werepreparedbycopolymerization.Theremovingturbidityanddecolorizationefficiencieswerestudiedinthesimulatingwater,andthedisposeefficienciesforhigher,mediumandlowerturbiditywaterwerealsoinvestigated.ThedifferencesbetweenPFCandFeCl3werecompared.TheexperimentresultsshowedthatPFCissuperiortotheFeCl3intermoftheremovingturbidity,colour,COD,oilandUV254;W/FemolarratiohavedifferentinfluencesonthecoagulatingpropertiesofPFCforunlikewater.Inwatertreatmentitisnecessarythatappropriateparametersarechosenaccordingtodifferentobjectsoftreatmenttoobtainoptimumcoagulatingeffectiveness.Keywords:polyferricchloride,removingturbidity,decolorization,COD,UV254.651: