您好,欢迎访问三七文档
当前位置:首页 > 行业资料 > 其它行业文档 > 臭氧催化氧化曝气生物滤池工艺深度处理食品添加剂废水陈志伟
Vol.27,No.5,2008,、、、、、,,,,、。---,CODCr300~500mg/L,,。。、、,。ArodeBernal-Martinez[1],PAHs。LechengLei[2],COD92%。,,、。,COD,[3]。,,。MnO2、MnO2。MnO2,,,,,。MnO2,MnO2-,,(,510006)-(BAF),MnO2、MnO2。200mL,MnO22g,O3/COD0.75,pH4,O35min,COD400mg/L220mg/L,45%。,O3,COD45%,BOD5/COD0.30.44,。-BAF,COD85%,。:X703:A:1009-0177(2008)05-0040-04AdvancedTreatmentofFoodAdditivesWastewaterbyCatalyticOzonization-BiologicalAeratedFilterProcessesCHENZhi-wei,WANGXiao-jun,XUJin-hua(SchoolofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China)AbstractThecatalyticozonization-biologicalaeratedfilterprocesseswereusedtotreatfoodadditiveswastewaterusingMnO2,ceramsiteloadedbyMnO2ascatalystsrespectively.Theoptimaloperatingconditionsofcatalyticozonizationpreoxidationwereasfollows:thewastewatervolumewas200mL,theceramsiteloadedbyMnO2dosageswere2g,theO3/CODratiowas0.75,andpHvaluewas4,oxidationtimewas5min.TheresultsshowedthattheCODofthewastewaterwasremovedfrom400mg/Lto220mg/L,theremovalefficiencyofCODwas45%.Thecatalyticozonizationpreoxidationcouldimprovethebiodegradabilityofwastewater,whoseBOD5/CODratioraisedform0.3to0.44when45%CODwasremoved.Thecontactoxidationprocesstreatmentwasfollowedbythecatalyticozonization.CODremovalefficiencyofcatalyticozonization-biologicalaeratedfilterprocesswasmorethan85%.Keywordscatalyticozonizationbiologicalaeratedfilterfoodadditiveswastewateradvancedwastewatertreatment[]2008-04-14[](1986-),,,,。:(0)13560129303;E-mail:scutczw@yahoo.com.cn。[],:13312800348;E-mail:cexjwang@scut.edu.cn。2008,27(5):40-43WaterPurificationTechnology40--DOI:10.15890/j.cnki.jsjs.2008.05.005WATERPURIFICATIONTECHNOLOGYVol.27,No.5,2008October25th,2008。:MnO2,,,,。,,,,。,。1.1MnO2,MnO2、NaOH、H2SO4:。1.2XJ-ШCOD:;:OZ-3GO3。1.3,、。---,COD300~500mg/L,pH7,,,COD400mg/L。1.41L。200mL,MnO2MnO2。,。(BAF):,,BAF。BAF30L,2~5mm,,,。,,3d,COD。1.5pH、COD、BOD5[4]。2.12.1.1O3/COD0COD,200mL,pH7,,MnO20.67gMnO20.02g,5min,O3/COD0COD1。1,CODO3/COD0;,COD,MnO2,COD。O3/COD00.375,COD0,MnO2COD19%;O3/COD00.75,COD5%,MnO2COD30%,6。,。MnO2,COD,。:,MnO2。2.1.2COD,200mL,pH7,O3/COD00.75,5min,COD2。2,0.5g2gCOD,2g,;MnO20.01g0.02gCOD,0.02g,MnO20.02g~0.12gCOD。,。,MnO22g,MnO20.02g。2.1.3pHCOD1O3/COD0CODFig.1EffectofO3/COD0ratioonCODremoval41--Vol.27,No.5,2008,200mL,O3/COD00.75,,MnO22gMnO20.02g,pHCOD3。3,,pH24,COD,,,(O),CO2H2O,pH46,(O),,COD;,pH,,CODpH。3,MnO2,pH。,pH4。2.1.4CODpH4,2.1.3,COD4。2min,COD35%,MnO221%,MnO2。2~5min,COD,COD,45%,MnO238%。5min,COD,30min。MnO2,15~30min,,,。,,,,,。,,。,:,200mL,O3/COD00.75,MnO22g,pH4,5minCOD45%。2.2[5],。,BAF-BAFCOD5。,,。,COD45%CODB/COD0.50.73(CODBCOD),CODBBOD5[6],BOD5/COD0.30.44,。136h,2CODFig.2EffectofcatalystdosagesonCODremoval3pHCODFig.3EffectoforiginalpHvalueonCODremoval4CODFig.4EffectofoxidationtimeonCODremoval,,.-42--WATERPURIFICATIONTECHNOLOGYVol.27,No.5,2008October25th,2008-BAFCOD85%,BAFCOD50%。(1)-BAF,,:,200mL,pH4,O3/COD00.75,MnO22g,O35min,COD45%。(2),COD45%BOD5/COD0.30.44。BAF,COD85%。(3)MnO2,MnO2,,,,,。[1]ArodeBernal-Martinez,He′le`neCarre`re.Ozonepre-treatmentasimproverofPAHremovalduringanaerobicdigestionofurbansludge[J].Chemosphere,2007,68:1013-1019.[2]LechengLei,LiGu.Catalyticoxidationofhighlyconcentratedrealindustrialwastewaterbyintegratedozoneandactivatedcarbon[J].AppliedCatalysisA:General,2007,327:287-294.[3],.Fenton-[J].,2006,11:28-31.[4].(4)[M].:,2002:216-219.[5]N.J.Karrew,G.RyhinerandE.Heinzle.Applicabilitytestforcombinedbiological-chemicaltreatmentofwastewaterscontainingbiorefractorycompounds[J].WaterResearch,1997,31(5):1013-1020.[6],,.[M].:.2000:86.5BAF-BAFCODFig.5CODremovalefficiencyofBAFprocessandcatalyticozonization-BAFprocess2009《》()《》1964,,()、、。:,,,、,,,,。2008,《》《》、、,、、,,;2009,《》、,,;,、、,,(、)。:、、、、、、、、、、、、。:《》,16,10,。:2-757,:M4425。:9.00,:108.00。,,。:19:100044:(010)68305036/68302907:(010)88388759E-mail:gsps@vip.163.com:!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!43--
本文标题:臭氧催化氧化曝气生物滤池工艺深度处理食品添加剂废水陈志伟
链接地址:https://www.777doc.com/doc-6549532 .html