臭氧曝气生物滤池工艺深度处理石化废水凌珠钦

37820088　　　AppliedChemicalIndustryVol.37No.8Aug.2008:2008-05-24　　:2008-07-06:(1983-),,,,,。:13695248954,E-mail:[e-mail]-凌珠钦,汪晓军,王开演(,　510006)　:-(BAF),,pH、,COD。,COD60～80mg/L,55.56mg/L,BAF1.5h,COD30mg/L,。:;;;:X703.1　　　:A　　　:1671-3206(2008)08-0917-04Advancedtreatmentofpetrochemicalwastewaterbyozonizing-biologicalaeratedfilterprocessesLINGZhu-qin,WANGXiao-jun,WANGKai-yan(SchoolofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510006,China)Abstract:Theozonizing-biologicalaeratedfilter(BAF)processeswereusedtoadvanced-treatthewastewaterinonepetrochemicalfactoryinGuangdong.Theozonizingwasusedtoimproveitsbiodegrada-tion.TheinfluenceoftheoriginalpH,thedosageofozoneandcatalystswerediscussedinthispaper,aswellasthedifferenthydraulicretentiontime(HRT)ofBAF.Theresultshowedthat:whentheinfluentqualitieswereCODabout60～80mg/L,thedosagesofozonewas55.56mg/L,andtheHRTofBAFwas1.5h,theeffluentqualitieswereCODlessthan30mg/L,reachedthecriterionofwaterreusingstandard.Keywords:petrochemicalwastewater;ozone;BAF;advancedtreatment　　,。,1t30～50t,,,。,,,,。,。,,。,,,,。,,,。COD、,。(BAF)、、、。,,、,。1　1.1　　　,COD1000mg/L,、,COD,COD60～80mg/L,,pH=6。1.2　　　,,1。OZ-3G,,1g/h,。DOI:10.16581/j.cnki.issn1671-3206.2008.08.03637,。400mL,(20%)。。1　Fig.1　Diagramofozoning-biologicalaeratedfilterprocess　　,2。PVC,10cm,1.4m,2～5mm。5∶1。2　Fig.2　Diagramofbiologicalaeratedfilter1.3　　　pH、COD[1]。[2],KI[1],[3]。2　2.1　2.1.1　pH对臭氧催化氧化的影响　400mL,pH4,6,8,1g/h,5min,1min,3。3　pHCODFig.3　CODremovingefficiencybythedifferentpHvalue　　3,pH=4pH=8,COD。41.67mg/L,1min,;,COD。,,COD。,,,COD,COD,COD[4-5]。pH=6,,COD。125.01mg/L,3min,COD30mg/L,。,:,。pH,,、;pH,OH-,OH·[6-7]。,pH,,COD。pH,pH=4,COD,pH,,。2.1.2　臭氧投加量对废水COD去除率的影响　3,pH=4,1～2min,0～83.34mg/L,。,1.2L,1g/L,15min,0,1,2,3,9188:-4,6,9,12,15min,COD,COD,4。4　CODFig.4　CODremovingefficiencybythedifferentamountofozone　　4,0～55.56mg/L,0～5min,,COD。,,,COD。,55.56mg/L,5min,,COD,41.33mg/L。55.56～125.01mg/L,5～9min,,COD。,,COD,125.01mg/L,COD,COD58.67mg/L。,125.01mg/L,COD。,、,COD。4,55.56mg/L,COD,。2.1.3　催化剂对臭氧催化氧化效果的比较　pH4.0,400mL,1g/h,40mg,40mg,1.33g,1.67mL30%。5min,1min,,COD,5。5　CODFig.5　CODremovingefficiencybythedifferentcatalysts　　,,O3/H2O2、O3/,COD,,COD。O3/KMnO4、O3/MnO2,COD,,,。,OH·,,OH·[8-9]。,。,H2O2Mn(Ⅱ),,。O3/H2O2、O3/,,,,COD。,、,COD。,,。2.2　-2.2.1　臭氧氧化处理对废水可生化性的改善　,,,,[10]。,COD6。919376　CODFig.6　Biodegradabilitycurveofinfluentandeffluentbyozoneoxidation　　,,55.56mg/L,。,CODB/COD0.350.66(CODBCOD),CODBBOD5[11],BOD5/COD0.200.40,。2.2.2　不同曝气生物滤池停留时间的影响　-,pH4,,,pH7,40min,,COD,7。7　Fig.7　EffectofretentiontimeofBAFontreatmentresult　　7,(HRT),,0～0.5h,COD。HRT0.5h1.0h,COD38.98%53.71%。1.5h,COD30mg/L,57.92%。3　　　(1),pH=4,,COD52.7%。。(2)。,HRT=1.5hCOD28.46%;,,HRT=1.5h,COD57.92%,30mg/L。(3)-,55.56mg/L,1.5h,5∶1,COD60～80mg/LCOD30mg/L。:[1]　《》.[M].4.:,2002:216-219.[2]　,.[M].:,2003:126.[3]　BaderH,HoignéJ.Determinationofozoneinwaterbytheindigomethod[J].WaterResearch,1981,15(4):449-456.[4]　AnjaKornmǜller,UdoWiesmann.Ozonationofpolycycli-caromatichydrocarbonsinoilwateremulsions:masstrans-ferandreactionkinetics[J].WaterResearch,2003,37:1023-1032.[5]　,,.[J].,2005,6(2):59-61.[6]　IsilAkmehmentBalclogˇlu,Merihtker.Treatmentofphar-maceuticalwastewatercontainingantibioticsbyO3andO3/H2O2proceses[J].Chemophere,2003,50:85-95.[7]　,,,.[J].:,2002,30(2):83-86.[8]　WangXiaojun,GuXiaoyang,LinDexian,etal.Treatmentofacidrosedyecontainingwastewaterbyozonizing-bio-logicalaeratedfilter[J].DyesandPigments,2007,74(3):736-740.[9]　KarimiAA,RedmanJA,GlazeWH,etal.EvaluatinganAOPforTCEandPCEremove[J].AmWaterWorksAs-soc,1997,89(8):41-53.[10]ZingU,AndrewHong,WavrekDavid.Chemicalbiologicaltreatmentofpyrene[J].WaterResearch,2000,34(4):1157-1172.[11],,.()[M].:,2000:86.920