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李冠文陈凡植王军周文(510006),,,,,TheFeasibilityAnalysisofUltrasonicofAtomizationTechniqueinDustRemovalLIGuan-wenCHENFan-zhiWANGJunZHOUWen(GuangdongUniversityofTechnologyGuangzhou510006)AbstractAsonekindofwell-knownpollutants,dustseriouslyaffectspeoplesdailylifeandendangerspeopleshealthandsafety,espe-ciallytheinhalableparticles,whichishardtousecommonair-cleantechnologytodealwithbecauseofitsdangerousnessanddifficultytobedisposedof,Sothedisposaloftheinhalableparticleshasbecomethekeystoneandobstacleofdustdisposal.Ultrasonictechniqueindustremovalisanewstyletechnologyofdustdisposal.Inthisarticlethefeasibilityanalysisofultrasonicatomizationtechniqueindustremovalintheory,effectandfunctionisconducted.Keywordsatomizationbyultrasonictechniquedustrespiratoryparticles11.1(),20m,,,10m90%[1],,,,,1.21.2.1,,,[2]:(1),,,(2),,,,(3),,,,,,,,;,,,1-10m1.2.2,,,,,;,1.2.3[3]1,,,,,,,,,,,1.2.4,,20IndustrialSafetyandEnvironmentalProtection2008345May2008,[4];,,,,,,1,,1-10m,,,2,[5]:t=R,t,%;R;,%:=[St/(St+0.7)],St,St=d2pVrC/9D;dp,m;,kg/m3;,Pas;D,m;Vr,m/s;C:,,,,,,,,200m[6],,1010m76.8%,CW,3mAl2O3,,,2,15.8-49.5mg/m3,82%-91.9%,(200m)35%,Q=20L/min,t=2min,,3[7]233,90%,10,3(8m),,,,,CW,,0.1%,[8],,,,,,,,,4(1),,,35%80%(2),0.1%[9],,,,(3),,,21黄毅薛晚侠汪池金王书敏(402168)-,,Cr()pHCr();Cr()Freundlich,,3h;TiO2,2%TiO2Cr(),Cr(OH)3TiO2ResearchontheTreatmentforWastewaterContainingCr()byPVAEntrappedActivatedCarbonMicro-ballHUANGYiXUEWan-xiaWANGChi-jinWANGShu-min(SchoolofChemistryandEnvironmentalScience,ChongqingUniversityofArtsandScienceChongqing402168)AbstractLiquid-liquidphaseseparationmethodisadoptedtomanufacturePVAentrappedactivatedcarbonmicro-ballanditisusedasanagenttotreatwastewatercontainingCr().TheresultsshowthattheremovalrateofCr()decreasewiththeincreasetopHandinitialCr()concentration;theadsorptionofCr()accordswithFreundlichadsorptionisothermalsanditneedsmoretimetoachieveadsorptionequilibrium,approximately3h;andadding2%ofnano-TiO2intothemicro-ballcanobviouslyimprovetheremovalrateandrecycleCr(OH)3duetothephotocatalysisofnano-TiO2.KeywordsactivatedcarbonCr()entrappingnano-TiO2wastewatertreatment[Cr()][Cr()],Cr(),,,:[1-4],[5,6],,,-,,Cr()pHTiO211.1(AR),(AR),(AR),K2Cr2O7(AR),(AR),CaCl2(AR),(AR),TiO2(Degussa,P25)723A,RH-QG,(4),,,,,,1/2,,,,,,,,5,,,,()[1],..:,2002.8.[2],..,2002,28(2):8-13.[3][]BJ..:,1978.[4],,,..,2003,25(4):234-236.[5],..,1998,4(4):2-5.[6],..,1995,21(5):13-15.[7]..,2001,27(8):1-4.[8],..,1996(4):16-18.[9],..,1998,27(1):22-24.(:2007-12-18)22IndustrialSafetyandEnvironmentalProtection2008345May2008