WAO法处理中进水浓度对废水浊度去除的影响吴少燕

2009(9452104101003815);2010(10152104101000010)[e-mail]0768-75005771,2,2,31.521000;2.,5210413.,510006InfluenceofWastewaterConcentrationonTurbidityRemovalWithWAOMethodWUShao-yan1,LIHong2,LINLi-wen2,ZHANGYong-li3(1.ChaozhouRaopingCountyEnvironmentalMonitoringStation，Chaozhou521000,China;2.DepartmentofChemistry，HanshanNormalUniversity，Chaozhou521041,China;3.CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China)Abstract:RefractoryorganicwastewaterwithhighconcentrationwastreatedbytheWAOTechnology.InfluenceofwastewaterconcentrationontheturbidityremovalratewiththeWAOTechnologywasstudied.Theresultsshowthatthelongerthereactiontime,thebetterthetreatmenteffectofWAOTechnologyfordifferentconcentrationwastewater.Andthelowerthewastewaterconcentration,thebetterthetreatmenteffectofWAOtechnologyfortreatingorganicwastewater.WhentheCODconcentrationis1000mg/L,andthereactiontimeis60min,turbidityremovalratecanreach86.3%.AndwhenCODconcentrationismorethan4000mg/L,thereactiontimewillincrease,andtheturbidityremovalrateisnothigh,andthetreatmenteffectisnotobvious.Keywords:Catalyticwetairoxidation(WAO);Organicwastewater;Turbidityremovalrate;Waterconcentration;COD;ReactiontimeDOI:10.13840/j.cnki.cn21-1457/tq.2011.12.0291Fig.1Turbidityandturbidityremovalrateofwastewater(COD=1000mg/L)Fig.2Turbidityandturbidityremovalrateofwastewater(COD=2500mg/L)Fig.3Turbidityandturbidityremovalrateofwastewater(COD=4000mg/L)Fig.4Turbidityandturbidityremovalrateofwastewater(COD=5500mg/L)Fig.5Turbidityandturbidityremovalrateofwastewater(COD=7000mg/L)