臭氧多相催化氧化提高二级出水可生化性研究

:2010-12-20:(1982-),,,臭氧多相催化氧化提高二级出水可生化性研究,(,200438):以活性炭作为载体,金属氧化物CuO-MnO2作为催化活性组分,对臭氧催化氧化污水厂二级出水进行了催化剂配比实验对比,并通过调节臭氧投加时间控制臭氧的投加量结果表明,在催化剂活性组元Cu(NO3)2Mn(NO3)2体积配比31,投加量5g/L,臭氧投加量6mg/L,接触时间5min的条件下,可明显提高二级出水的可生化性:臭氧催化氧化;二级出水;催化活性组分:X703:A:1673-9655(2011)02-0067-0390%,,,,,,,,,,,,[1~3](,OH)(),,[4],,,111O37L,,,,,1L/min,38mg/L(+),12O2;CODCr;BOD5221(:)(:MnCu67环境科学导刊(2)CN53-1205/XISSN1673-9655),-Al2O3TiO2SiO2,OyamaAl2O3MnO2[5],,MnO2-CuO[6]MnO2-CuOMnO2-CuO[7,8]:5g/L,6mg/L,6min23,1,122,,,,5101520g/L4,446810mg/L,456810min5g/L,6mg/L,5min,16,261114,479,,,,1/gL-1/mgL-1/min15452566358845101051046610687108108101059154810156101115841215106132041014206415208623,COD30mg/L,BOD55mg/L,,,,,,68环境科学导刊月[9],COD10%,,COD,,COD,,COD3,Cu:Mn31,6mg/L,5min,5g/LCOD,COD,,:[1]LeeCW,BaeSD,HanSW,eta.lApplicationofultrafiltrationhybridmembraneprocessesforreuseofsecondaryeffluent[J].Desalination,2007,(202).[2]ArvaloJ,GarralnG,PlazaF,eta.lWastewaterreuseaftertreatmentbytertiaryultrafiltrationandamembranebioreactor(MBR):acomparativestudy[J].Desalination,2009,(243).[3],,,.--[J].,2006,7(10).[4]WangST,MaJ,LiuBC,eta.lDegradationcharacteristicsofsecondaryeffluentofdomesticwastewaterbycombinedprocessofozonationandbiofiltration[J].JournalofHazardousMaterials,2008,(150).[5]DhandapaniB,OyamaST.Gasphaseozonedecompositioncatalysts[J].ApplCatalB,1997,(11).[6],,.[J].,2002,10(6).[7].[D].:,2006.[8].[D].:,2003.[9],,,.-[J].,2007,11(33).ResearchonOrganicBiodegradabilityofSecondaryEffluentTreatedbyCatalyticOzonationLINYu-jiao,ZHANGTong-ju(ShanghaiGuanglianConstructionDevelopmentCo.,LTD,Shanghai200438China)Abstract:Thesecondaryeffluentofthewastewatertreatmentplantwastreatedbyozonationtoinvestigateorganicbiodegradabilityenhancemen.tThesecondaryeffluentwastreatedwithdifferentvolumeproportionbyozonecatalyticoxidationwithactivatedcarbonascarrier,CuO-MnO2asactivecomponents;ozoneaddingdosagewascontrolledbyadjustingtheaddingtime.TheresultsindicatedthatthebiodegradationoftheorganicsubstancesinthesecondaryeffluentcouldbeimprovedbysuitableozonationundertheconditionthatthevolumeproportionbetweenCu(NO3)2andMn(NO3)2was31,catalystsaddingdosagewas5g/L,ozoneaddingdosagewas6mg/L,andthereactiontimewas5min.Keywords:ozonecatalyticoxidation;secondaryeffluen;tactivecomponents69臭氧多相催化氧化提高二级出水可生化性研究林玉姣