1粉煤灰在印染废水处理中的应用研究

241Vol.24,No.120071HebeiJournalofIndustrialScienceandTechnologyJan.2007:100821534(2007)0120046203(,050018):,,,,,:;;;:X703.1:AApplicationofflyashintreatmentofprintinganddyeingwastewaterYANGMin2li(CollegeofSciences,HebeiUniversityofScienceandTechnology,ShijiazhuangHebei050018,China)Abstract:Forthewelladsorptionabiltyofflyash,printinganddyeingwastewaterisprocessedmorepreferably.Thereareef2fectivewaystoimprovethevalueofflyashincluding:changingthecharacteroftheflyashthroughphysical2chemicalmodifica2tion,researchingtheefficientcompoundcoagulant;combiningflyashandothersubstancestoprocessprintinganddyeingwastewater;resolvingtheproblemsinthedispositionofsaturatedflyash.Keywords:flyash;adsorption;treatment;printinganddyeingwastewater,,,,,,,,,1t,30%[1],:2006206222;:2006210209::(19562),,,,,,,1,SiO2,Al2O3,CaO,Fe2O3,TiO2,MgO,Na2O,SO3,MnO,40m,,5005000cm2/g[2],,,,,,,2,,,,,,pH[3],[4],,,,,/,,,22.1,,,,,0.125mm[5],,2.2:8molL-1,,,96%[6]Al2O3,Fe2O3+FeO,CaO,,,,,,,,,,,,,2.3[7,8],,COD70%,[9]SiAl,,,,,;Fe3+Al3+pH,Al(OH)3Fe(OH)3,,COD,[10]3,,,,pH4.0,5%,6%,40min,COD77%95%[11],pH4.0,30min,5%6%,COD400mg/L,77%,95%[12],,,HFe2+,,,,,2,,,2741:5g,600mLm-3,50min,90%,COD70%,[13],,,,,,COD4,,,,,,,,;,:[1],,,.[J].,2004,(3):36239.[2],,,.[J].(),2002,19(4):80283.[3],.[J].,2005,19(3):32235.[4],.[J].,2005,(2):40242.[5].[J].,2003,25(4):4162418,424.[6],,,.[J].,2002,16(4):18222.[7],.[J].,2000,31(5):126.[8],,,.PDA[J].,2003,23(3):23225.[9],.[J].,2003,(5):30231.[10].[J].,2004,(20):11213.[11],,.[J].,2002,25(4):829.[12],,.[J].,2003,19(1):47249.[13],,.[J].,2002,29(3):89292.(29)[5]VAIARA,TEUKOLSKYRK,GIANNELISEP.Interlay2erstructureandmolecularenvironmentofalkylammoniumlayersilicates[J].ChemMater,1994,6:101721022.[6]VAIARA,GIANNELISEP.Latticmodelofpolymermeltintercalationinorganicalymodifiedlayedsilicates[J].Macro2molecules,1997,30:799027999.[7]KISHNAMOORTIR,GIANNELISEP.Rheologyofend2tetheredpolymerlayeredsilicatenano2composites[J].Macro2molecules,1997,30:409724102.[8]MASAYAK,NAOKIH,MAKOTOK,etal.Prepartionandmechanicalpropertiesofpolyproplyleneclayhybrids[J].Mac2romolecules,1997,30:633326338.[9]TRILICAJ,ALIACHEMJC,FATRAN,etal.PVC/claynanocomposites[A].SPEANTEC[C].Arlington:DallasTexas,2001.[10]WANGDY,PARLOWD,YAOO.PVC2claynanocom2pos2ites:Preparation,thermalandmechanicalproperities[J].JVinylAdditTech,2001,7(4):2032213.[11],./[M].:,2002.[12]MICHAELA.Philippedubois[J].MaterialsScienceandEn2gineering,2000,28:126.[13]BHATTACHARYAJ,TALAPATRAS,SAHASK.Aque2ouspolymerizationonclaysurfaces():Effectofhydrogen2montmorillonite,monomerconcentrations,andtemperatureonthepolymerizationofmethylmethacrylate[J].JApplPolymSci,1990,39:223722244.[14].PVC/SiO2[J]1,2005,26(4):2922294.[15],,.Zn/2ZnCl2[J]1,2005,26(1):25227.[16]BHATTACHARYAJ,CHAKRAVARTI,TALAPATRAS,etal.Aqueouspolymerizationonclaysurfaces():Thepolymerizationofmethylmethacracrylatebymontmorillonitethioureainitiatingsystem[J].JPolymSci(A):PolymChem,1989,27:397723983.[17]LEEDC,JANGLW.PreparationandcharacterizationofPMMAclayhybridcompositebyemulsionpolymerization[J].JApplPolymSci,1996,61:111721120.8424