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1、ABSTRACTAbstractCurrently,TetrabromobisphenolA(TBBPA)hastheworld'slargestproductionandapplicationamountamongallkindsofBFRs.TBBPAhasahighdurabilityinenvironment,iflivingorganismshavealong-termcontactwithTBBPA,itwillproducetoxiceffectsonendocrinesystem
2、,nervoussystemandinternalorgans.Thispapertookozonationtechnologyastheresearchmeans,degradationruleofTBBPAdegradationbyozonationwasexaminedandseveralozonecombinationprocesseswereintroducedtodecreasethetoxicityofreactionprocess,soastoremoveTBBPAfromwat
3、erfast,efficientlyandsafely.ThebasicreactionruleofozoneremovingTBBPAwasinvestigatedbystaticexperiment,theresultsshowthat:whenozonedosagewas2mg/L,pHwas6~9andthetemperaturewas25±1℃,TBBPAwiththeconcentrationof1mg/Lcanbecompletelyremovedin2mins.Thedegrad
4、ationpathwayofTBBPAisspeculatedtoexperiencebrominatedorganics(TOBr)suchastribromobisphenolAanddibromophenolorhydrocarbonssuchastert-butylBenzene,p-isopropenylphenol,thenfinalopen-loopormineralization.DuetotheformationoftheintermediateproductofTBBPAde
5、gradationprocess,biologicaltoxicityvariationshowsafirstincreasedandthendecreasedregularity.Theinvestigationwasfocusedonthegenerationruleofbromate,whichisakindofinorganiccarcinogenicbyproductgeneratedinthedegenerationofTBBPA.Inordertoensurethemaximiza
6、tionofTBBPAremovalwhilereducingthegenerationofbromatebyproductsanddecreasingtoxicityofreactionprocessatthesametime,threekindsofcombinationprocesswereintroduced,O3/H2O2process,O3/KMnO4processandO2+3/Feprocess.Amongallthethreekindscombinationprocesses,
7、O3/H2O2process,O3/KMnO4processbothhaveaquickandefficientperformanceintheTBBPAremovalandbromatereduction.O3/KMnO4worksbestonreductionoftoxicityinprocess.Finally,aftertheadjustmentofprocessparameter,O3process,O3/H2O2processandO3/KMnO4processisappliedto
8、treatactualwastewater,theresultsshowsthat：Allthethreeprocessesespeciallyforthetwocombinationprocessesnotonlyhadagoodtreatmentonallkindsofpollutants,butalsoexcelledatbiologicaltoxicityreductionandIIABSTRACTbiodegradabilityenhancement.Throughthecompari
