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:025322468(2001)20420394206:X70311:AHCl,,,(,150001):32mm,,700900,.HCl,,ClHCl,900ClHCl9815%.CaOHCl,,,HCl;,CaPCl,HClX(EDAX)(SEM),CaOHCl.:;;;;HCl;CaPCl;ExperimentalstudyontheformationandcontrolofHClfromincinera2tionofchlorinatedwastewaterinfluidizedbedBIERushan,LIXin,YANGLidan,ZHOUDing(HarbinInstituteofTechnology,Harbin150001)Abstract:Abench2scalebubblingfluidizedbedwith32mmI.D.wasusedtoinvestigatetheemissionandremovalofHClbyincinerationoforganicwastewaterwhichcontainsCCl3CHOatthetemperaturefrom700to900.ExperimentsshowedthatClHClconversionratioin2creasedwithincreaseintemperature,andHClcaptureincreasedwithincreaseinCaPClmoleratio,butdecreasedwithincreaseintemperatureatthesameCaPClmoleratio.TheexperimentalresultswereexplainedbytheanalysesofSEMandEDAXoftheproductsfromthereactionofCaOwithHCl.Keywords:CCl3CHO;organicwastewater;fluidized2bed;incineration;HCl;CaPCl;removalofHCl:2000206219;:2000209220::(1965),,(),.(EPA)50%.,,.,HClCl2[1].,HClCl2.MichealR1B.,,HClClx58[2].,HCl.SO2NOx.CaOPHCl:..Ca(OH)2CaOCaCO3.,21420017ACTASCIENTIAECIRCUMSTANTIAEVol.21,No.4July,2001[3].800,Ca(OH)2HCl(PCDDsPPCDFs)[4],HClPCDDsPPCDFs..1570mm,32mm,42mm,.TDW.7045,,.,LZB150.1.1Fig.1Schematicdiagramofexperimentalapparatus.,70gPh.1mm.120mm,150,,.,4060mm..,.,,.,.41154%()..,Dionex(:Dionex22010i).Cl-ppbppm,.340mm,.200mm6mm4mm(5934:HCl1Cr18Ni9Ti),,,,,120(),(700900)..,,HCl.,.,,,,..200500m,340m.CaO,99%,200500m.CaO,,,CaO,,.30min,,30min,.U,.2HCl211,,,,.(CCl3COH),.,,.,1%(CCl3COHH2O).212.700900,DRE(DestroyandRe2movalEfficiency)99199%[5].,,700900.2130181s(),45.90LPh,70gPh,,,.HCl,,,HCl.ClHCl:=HClClHCl100%(1)HCl,HCl3120ppm,HCl1540ppm.2,HCl,9009815%.ClHCl:(1)(CCl3COH)HCl,ClHCl33133%,693212ClHClFig.2RelationsbetweenCl2HClconversionratioandtemperature700,,.,,ClHCl.(2)50%,,,,,ClHCl.3CaPCl,600.,,.CaPCl..,.HCl:=100-CaOHClCaOHCl100%(2)CaPCl:CaCl=CaOP4011P3515(3)311CaPClHCl3(abc)700800900,CaPClHCl.,,CaPCl,HCl,(135150)[6],.,CaPCl,HCl.3CaPClHClFig.3EffectofCaPClmoleratioonHClcaptureat700,800,900312HCl4CaPCl=2,HCl,,,HCl,HCl;HCl,7934:HCl,90%.[3].4HClFig.4EffectoftemperatureonHClcapture313(SEM)X(EDAX)CaOHCl,CaOCaOHCl(SEM)X(EDAX).SEM,X(EDAX).5CaO600,CaO.1CaOEDAX,,CaO.6800CaOHCl,600,CaO,,(772),,.2CaOHClEDAX,21119%.EDAX,CaO,.,CaO,.5CaO(600)Fig.5ScanningelectronphotomicrographofCaO6CaOHCl(600)Fig.6ScanningelectronphotomicrographofreactionproductofCaOwithHCl1EDAXTable1EDAXanalysesofCaOEDAXCaClFeSiAlSNiK(%)971820100146014401440126013801212EDAXTable2EDAXanalysesofreactionproductofCaOwithHClEDAXCaClFeSiSK(%)75192211191134018701340134314HCl:89321CaO(s)+2HCl(g)ZCaCl2(s)+H2o(g)(4),HCl.CaPCl,CaCl2,,HCl.,CaCl2CaO,CaOCaCl2(6),.,(4),50%,,,.,(96%)700850,,,,.,,.,,.,.,,,CaOCaCl2,.,.4:(1),HCl.(2)CaOHCl,CaPCl,HCl;CaPCl,,HCl.CaCl2CaO,CaOCaCl2,.,HCl.,..:[1]LeeCC,HuffumanGL.Incinerationofsolidwaste[J].EnvironmentalProgress,1989,8(3):143151[2]BootyMR.,BozzelliJW,HoWP,etal.Simulationofathree2stagechlorocarbonincineratorthroughtheuseofadetailedreactionmechanism:chlorinetohydrogenmoleratiosbelow0.15[J].EnvironmentalScience&Technology,1995,29(12):30593063[3],,,.HCl[J].,1998,16(3):6163[4]GaulletBK,LemieuxPM.Roleofcombustionandsorbentparametersinpreventionofpolychlorinatedpibenzo2p2dioxionandpoly2chlorinateddi2benzofuranformationduringwastecombustion[J].EnvironmentScienceandTechnology,1994,8(1):107117[5]MullenJF.Considerfluid2bedincinerationforhazardouswastedestruction[J].ChemicalEngineeringProgress,1992,88(6):5058[6]HeapBM.Thecontinuingevolutionanddevelopmentofthedryscrubbingprocessingforthetreatmentofincineratorfluegases[J].Filtration&Separation,1996,33:3753809934:HCl