SynthesisandapplicationofcompoundflocculantPAFCLiZanzhong1,BaiFengrong1,LiuJinrong2,LiuQiwang3,HuJunhu3(1.InnerMongoliaVocationalCollegeofChemicalEngineering,Huhhot010010,China;2.ChemicalEngineeringCollege,InnerMongoliaUniversityofTechnology,Huhhot010051,China;3.ElectricPowerCollege,InnerMongoliaUniversityofTechnology,Huhhot010051,China)PAFC1,1,2,3,3(1.,010010;2.,010051;3.,010051)[],Al3+、Fe3+(PAFC)。,。pH。,(PAC),,,99%。[];;[]TQ314.253[]Β[]1005-829X(2010)12-0080-03Abstract:Polymericaluminumferricchloride(PAFC)hasbeenpreparedbytakingtheabundantresourceofcoal-se-rieskaolinasmainagentinInnerMongoliaviaextractingAl3+,Fe3+withhydrochloricacid.Theoptimumreactionconditionsofthesynthesishavebeenexploredbyorthogonalexperiments.TheeffectofthepHofrawwateronitsfloc-culatingefficiencyhasbeeninvestigated.WhentheYellowRiverwaterisusedasrawwater,andcomparedwithcom-mercialpolymericaluminumchloride(PAC)bymeansofflocculatingtests,prettygoodflocculatingefficiencycanbeobtained,theremovalrateofturbidityisuptoover99%.Keywords:flocculant;coal-serieskaolin;polymericaluminumferricchloride(PAFC)3012201012IndustrialWaterTreatmentVol.30No.12Dec.,2010(PAFC)。〔1-2〕、,pH、。〔3-4〕,Fe3+,PAFC。,、,(PAC),PAFC。11.1PAFC1.1.1:,120,800℃2h。:,300。1.1.2SX2-4-10,;pHS-3CpH,;6402-D,;JJ-1,;DZKW-4,;YP2004,。1.1.30.40g,50mL,2.5~3.0gNH4Cl,,HCl,HNO32~3,。,,10min。40mL,、、、,Cl-,,SiO2。0.25g,250mL,,15mL6mol/LHCl3~5HNO3,。,150mL,。2,80——2010-12,30(12)10%,。,,,1%NH4NO3,Cl-,,250mL,。Fe3+、Al3+、Ca2+Mg2+。0.25g,SiO2、Fe3+、Al3+、Ca2+Mg2+。1。1,SiO2、Al2O3Fe2O3,Al2O3Fe2O3PAFC〔5〕。1.1.4100g500mL,100mL,,,70℃,,17h,,。100mL500mL,102℃,1h,,,6h,,(PAFC)。1.2PAFCPAC1.2.1SC-956,;pHS-3CpH,;VIS-723,。1.2.2500mL()1000mL,200r/min,,1min;35r/min,12min。,30min,3cmCOD。。22.1,,、、、5PAFC,4,2。,,PAFC,800℃,50mL,102℃,6.0h,5.0g。2.2pHpH1。1Fe2O3Al2O3CaO+MgOSiO22.2034.71.6456.185.286.6038.993.3049.761.35:。2/℃/mL/℃/h/g/%11(850)1(45)1(100)1(4.0)1(3.0)95.7212(50)2(102)2(5.0)2(4.0)95.4313(55)3(105)3(6.0)3(5.0)96.8414(60)4(110)4(7.0)4(6.0)90.252(800)123497.362214399.472341298.382432197.493(750)134288.4103243185.7113312486.1123421385.4134(700)142386.8144231486.3154324182.4164413285.6376.1368.2368.8365.7358.2392.4366.8360.5365.7367.7345.6363.6368.9365.4368.4341.1358.6361.0360.4359.9/494.092.192.291.489.6/498.191.790.191.491.9/486.490.992.291.392.1/485.389.790.390.190.0Rj8.72.42.11.32.5%,:PAFC81——2010-12,30(12)1,pH5~9,PAFC。2.32.3.1PAFCPACPAFCPAC2。2,,PAFC、CODPAC,PAFCPAC。2.3.2PAFCPAC+FeCl3PAFCPAC+FeCl33。PAC+FeCl3n(Al)∶n(Fe)=1∶0.3。3,PAC+FeCl3CODPAFC。,PAFCAl3+Fe3+,。,〔6〕,Al3+Fe3+,。3,Al3+、Fe3+,(PAFC)。,800℃、50mL、102℃、6h、5.0gPAFC。PAFC2,、〔7〕。,,,。PAFC、、、pH,。[][1],.[J].,1997,16(6):541-545.[2],.[J].,2002(3):28-31.[3],,.[J].,2005,33(1):76-81.[4].(PACS)[J].,1997,22(1):77.[5],,.[J].,2003,17(1):4-6.[6],,.[J].,1992,18(1):119-123.[7],.(PAFC)[J].:,2000,20(3):58-60.[](1965—),1987,。:13347166227,E-mail:Lizanzhong@126.com。[]2010-10-11()82——