臭氧应用英文文章49

臭氧应用英文文章49WaterResearch38(2004)4455–4461Removalofsaxitoxinsfromdrinkingwaterbygranularactivatedcarbon,ozoneandhydrogenperoxide—implicationsforcompliancewiththeAustraliandrinkingwaterguidelinesPhilipT.Orra,�,GaryJ.Jonesa,1,GeoffreyR.HamiltonbaCSIROLandandWater,BrisbaneLaboratory,120MeiersRd,IndooroopillyQld4068,AustraliabGoldCoastWater,135BundallRd,SurfersParadiseQld4217,AustraliaReceived1October2003;receivedinrevisedform2August2004;accepted11August2004AbstractInalaboratory-scaletrial,westudiedtheremovalofsaxitoxinsfromwaterbyozone,granularactivatedcarbon(GAC)andH2O2,andconsideredtheimplicationsofresidualtoxicityforcompliancewiththeAustraliandrinkingwaterstandards.Cell-freeextractsofAnabaenacircinaliswereaddedtoraw,untreateddrinkingwaterobtainedfromawatersupplyreservoirtoprovideatoxicityof30mg(STXequivalents)l�1.Ozonealone,orincombinationwithH2O2,failedtodestroythehighlytoxicSTXandGTX-2/3,andonlypartiallydestroyeddc-STX,andthelow-toxicityC-toxinsandGTX-5.Inallcases,thetoxicityofthewater