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朱天菊 王兵 林孟雄 杨丹丹( 610500) 。,,,,。,,,H2O2,,40-60min,COD94%,。 StudyontheTreatmentforCokingWastewaterWithCatalyticOxidationTechnologyZHUTian-ju WANGBing LINMeng-xiong YANGDan-dan(SouthwestPetroleumUniversity Chengdu610500)Abstract Thispaperdiscussesthetreatmentforcokingwastewaterofoneplantwithself-madephotocatalyst.Intheexperiment,themak-ingprocessofthephotocatalystisdescribed,thetreatmentperformanceisevaluatedandsatisfactoryresultscanbegotwithlowcost.Experi-mentsshowthat,throughflocculationpretreatmentandunderUVillumination,thetreatmentefficiencyofphotocatalystcanbegreatlyen-hancedwhenaddingsuitableH2O2;40-60minsofreactioncanmakeCODremovalratereachabove94%,meetingtherequirementsoftherelatedemissionstandards.Keywords photocatalyticoxidation cokingwastewater treatment 、。,,,、、、,,[1]。,、、+。,,,,,[2]。1 1.1 ,,1。1.2 [3],,,COD、、SS。,,PAC。1.3 ,TiO2,,,TiO2,。。,,2(Si-O),1(Al-O,OH),,(Si4+)(Al3+),,。,,。1.3.1 ,600℃,,,,550℃。:5%,,120℃5h。0.5gTiO2,,,,100℃,1h,。550℃,2h,,。1.3.2 ,。550℃,。,,,,。,。,,。·9·2008349September2008 IndustrialSafetyandEnvironmentalProtection,,,,。,4%,。1.3.3 TiO2,,。,,,,35g0.5gTiO2,,。12h,60℃,,100℃2h,,500℃,,。1.4 150mL,pH,0.5g,,,,(≥2h),COD。1.4.1 pH,pH,COD。TiO2,(Eg),(VB),(CB),(e-),(G+),G+TiO2,(·OH),·OH,。G+,H+,pH,,e-,·OH,。pH,,pH3-4。1.4.2 pH4,COD(1)。1 COD1,,COD,60min,COD80%。40-60min。,,,COD。,,H2O2,。1.4.3 H2O2pH4,0.05mLH2O2(30%),,(2)。2 H2O2COD,,H2O2,,60minCOD93%,,1。2 1 CODCr/(mg·L-1)/(mg·L-1)NH+-N/(mg·L-1)/(mg·L-1)/pH1500.525150/6-913000±500400±150350±15080±40150±509±23158395416741327.51180.416.53207.585-1760.21-0.473.5-12.117-480-156.5-8 (1),,COD94%,。《》,,COD,COD。(2),,COD,,,,,。,3%-4%。(3),,。H2O2,,,COD。(4),,,105℃,,550℃2h,,。[1],..,2007,17(3):12-15.[2],,..,2007,11(2):21-25.[3],,.COD.,2007,33(1):7-10. 朱天菊,女,1980年生,现就读于西南石油大学研究生院,主要从事油气田生产安全与污染控制方面的研究。(:2008-02-28)·10·