光催化氧化处理苯酚废水

2962002JOURNALOFBEIJINGUNIVERSITYOFCHEMICALTECHNOLOGYVol.29,No.62002(,100029):TiO2,:;;TiO2;;:TQ085.412:2002203211:,1941,,,,1976Carey[1],TiO2,,[2],,,,,1111,,;TiO2,3;,;UV-B,;,112:;:113(COD)GB11914-89221120W,1mmol/LUV-B21111COD3TiO2(ABC),,120cm2,3314W/m2,112mL/min,,COD,,COD,,11CODFig.1RelationbetweenCODandthecirculartimesofre2actionwiththecatalystsmadeindifferentdistricts,,,,,,C,COD48718%,TiO2,,,C21112COD,3mL/min,COD,22CODFig.2RelationbetweenCODandthecirculartimesofre2actionwithdifferentradiantilluminationintensities2,COD,3310W/m22010W/m2,COD8718%,7515%,(),65%,COD5012%,CODCOD,,,21113COD,20W/m2,COD,3,,,,COD20%25%,,COD,,,,COD,,COD3CODFig.3RelationbetweenCODandthecirculartimesofre2actionwithdifferentflowrates212,,,,,,,,,,,,4CODFig.4RelationbetweenCODandthecirculartimesofre2actionundertheultravioletirradiation18817cm2,2515mL/min,1mmol/L,COD2121116150W/m2,4786:21212,,E5(W/m2),65Fig.5Sunlightradiantilluminationintensityalongwiththetimeofaday6CODFig.6RelationbetweenCODandthecirculartimesofreactionunderthesunlightirradiation(from11a.mto1p.m)5,11131819W/m246,3(1),TiO2,TiO2,(2),COD,,COD(3),,,,,[1]CareyJH,LawrenceJ,TosineHM.Photodechlori2nationofPCBsinthepresenceoftitaniumdioxideinaqueoussuspensions[J].BullEnvironContamToxical,1976,16:697-706[2]GoswamiDY.Areviewofengineeringdevelopmentsofaqueousphasesolarphotocatalyticdetoxificationanddis2infectionprocesses[J].JournalofSolarEnergyEngineer2ing,1997,119(3):101-107PhenolwastewatertreatmentbyphotocatalyticoxidationSHIBao2changSHENWei2rongWANGQin2na(CollegeofChemicalEngineering,BeijingUniversityofChemicalTechnology,Beijing100029,China)Abstract:Theeffectsofthecatalystsmadeindifferentdistricts,differentradiantilluminationintensitiesandthedifferentflowratesonthephenoldegradationweredetermined.Theeffectsoftheultravioletandthesun2lightonthephenoldegradationwerecompared.Keywords:photocatalyticoxidation;wastewatertreatment;TiO2;ultraviolet;sunlight()882002