光催化协同臭氧深度处理高浓度制药废水叶文荣

215128/。。CODCODpH。TreatmentofPharmaceuticalWastewaterbyPhotocatalysisCombinedwithOzoneYEWen－rongEnviromentalMonitoringStationofWuzhongDistrictJiangsuSuzhou215128ChinaAbstractTheprocessofphotocatalysiscombinedwithozonewasestablishedfortreatmentofpharmaceuticalwastewater．Theresultsshowedthatasynergisticeffectwasobservedbetweenphotocatalysisandozone．TheCODremovalincreasedwiththeincreasingcatalystamountandozoneflowrate．TheeffectofinitialpHvalueonCODremovalwasrela-tivelysmall．Keywordsphotocatalysisozonepharmaceuticalwastewater1976－。[e-mail]、、、、1。、、－。TiO2·OH、、。、、2。34－6。COD。11．1800COD6327mg/LBOD5850mg/LpH6．2。1．2PHS－3CpH。。1L500mL。。30minCOD。1．3CODCOD=COD0－CODtCOD0×100%COD0CODCODttCOD。22．10．5g/L30L/h2hpH6．2、/3COD1。·801·201139161CODTable1CODremovalindifferentprocesses//+COD/%9．758．288．663．5COD9．7%COD。/COD88．6%2。/·OHCOD63．5%。/COD·OH。/·OH7－9TiO2+hv→h++e－1h++OH－→·OH2h++H2O→·OH+H+3O3+e－→O－3·4H++O－3·→HO3·5HO3·→O2+·OH6O3+hvλ＜310nm→·O+O27·O+H2O→2·OH8O3+OH－→HO2·+O－2·92HO2·→H2O2+O210H2O2+O－2·→·OH+OH－+O211aTiO2·OH1～3b·OH4～6c310nm·OH7～8dOH－·OH9～1171015。2·OH。2．230L/h2hpH6．20．1、0．3、0．5、0．70．9g/LCOD1。1CODFig．1EffectofcatalystonCODremovalCOD。。0．5g/LCOD0．5g/L。2．30．5g/L2hpH6．210、15、30、4560L/hCOD2。2CODFig．2EffectofozoneflowrateonCODremovalCOD。60L/hCOD97．2%。10UV·OHTiO2·OH。45L/h。2．4pH0．5g/L45L/h2hpH2．9、4．2、6．2、8．110．5pHCOD3。3pHCODFig．3EffectofpHvalueonCODremovalpHCOD。pH12－13。HCO－3·901·20113916CO2－3·OHCO2·OH14。pH//pH。3。CODCODpH。1．－UASB－SBRJ．201142276－77．2．－X－3BJ．2009293207－211．3．J．20067818－22．4．J．200733S128－32．5．－HJ．200671118－121．6．J．20104127－30．7．－J．200545126－31．8．TiO2/Mn－ZSM－5－J．201024164－70．9ZHANGPeng－yiLIANGFu－yuanYUGuangetal．Acompara-tivestudyondecompositionofgaseoustoluenebyO3/UVTiO2/UVandO3/TiO2/UVJ．JofPhotochemandPhotobiolAChem20031561－3189－194．10．－J．2007367739－743．11AgustinaTEAngHMVareekVK．AReviewofSynergisticEffectofPhotocatalysisandOzonationonWastewaterTreatmentJ．JPhoto-chemPhotobiolC200564264－273．12KansalSKSinghMSudD．Studiesonphotodegradationoftwocom-mercialdyesinaqueousphaseusingdifferentphotocatalystsJ．JHazardMater2007141581－590．13AiZHYangPLuXH．Degradationof4－chlorophenolbyamicro-waveassistedphotocatalysismethodJ．JHazardMaterB2005124147－152．14．－J．200424S1檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵檵192－195．773．3NN－DMF、C6H5CH2Cl/FeCl2/PPh3AMATRP2。2DMFMMA。。280℃C6H5CH2ClAMSolventConversion/%16h27h40h50h63h75hToluene234666．4DMF15．517．5325．4227．2636．6543．67AM0=0．0213molC6H5CH2Cl=0．031mLAM/C6H5CH2Cl/FeCl2/PPh3=100∶1∶0．5∶1．5。2．41FeCl2/PPh3C6H5CH2ClATRP。。2NN－FeCl2/PPh3FeCl2/PPh3=1/2。3。4DMF。1WangJ．S．MastyjaszewsiK．Control1ed“living”radicalpolymeriza-tion．Atomtransferradicalpolymerizationinthepresenceoftransition－metalcomplexesJJ．Am．Chem．Soc．19951175614－5615．2．20J．2008715－28．3．J．2008201726－1732．4MatyjaszewskiK．ControlledRadicalPolymerizationM．WashingtonDCAmericanChemicalSociety19986851．5．J．20071261－66．·011·20113916