臭氧曝气生物滤池处理酸性玫瑰红染料废水汪晓军

77Vol.7,No.720067TechniquesandEquipmentforEnvironmentalPollutionControlJul.2006-汪晓军　林德贤　顾晓扬　董　方(,510640)　　,-。,,BOD/COD0.180.36。COD40mg/L,40,SS50mg/L,。　　　　　　X703.1　　　A　　　1008-9241(2006)07-0043-04Treatmentofdyecontainingwastewaterbyozonizing-biologicalaeratedfilterprocessWangXiaojun　LinDexian　GuXiaoyang　DongFang(SchoolofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,Guangzhou510640)Abstract　Theozonizing-biologicalaeratedfilterprocesswasusedtotreatthedyecontainingwastewater.Theresultshowsthattheozonizingcanimprovethebiodegradability,theBOD/CODratioincreasefrom0.18to0.36.TheeffluentqualitiesareCODlessthan40mg/L、SSabout50mg/L,colorlessthen40times,andthetreatmentresultisverygood.Keywords　dyeingwastewater;acidroesdye;ozone;biologicalaeratedfilter;refractorywastewater:(2002C31630):2005-08-30;:2005-11-05:(1964～),,。E-mail:[e-mail]　　,[1],,。,,。,COD,COD,THMs[2]。COD,,。,[3,4]。,COD,。1　1.1　,1t10t,2.5kg,2kg,90%,10%。、,。:30mg/L,200mg/L。:pH7,4000,COD300mg/L,BOD60mg/L。1.2　2,,1;,2。1。71　Fig.1　Diagramofozonizing-biologicalaeratedfilterprocess2　Fig.2　Diagramofbiologicalaeratedfilter1　Table1　Mainequipmentforexperiment12mg/L×4220～200L/h3115mm×1200mm435cm×30cm×50cm5LPH6Qmax=18.9L/h6BAF150mm×1200mm7ACO328Q=75L/min8ACO500Q=470L/min9WZ10-10Q=10L/min1020cm×30cm×50cm。,。,,。1.3　、pH、CODBOD5[5],[6]。COD[7]。:(MLSS3000mg/L)、,7d,()。()COD。CODDCOD:DCOD={1-[(cT-cB)/cA]}×100%:DCOD———COD;cA———;cT———COD;cB———COD。COD,COD,。2　2.1　,3。,/(,)4.5∶1,99.5%,20,/3.6∶1,40。3　Fig.3　Decolorizationefficiencybyozonizingoxidation2.2　CODCOD4,/3.64.5,COD447:-30%,COD。4　CODFig.4　CODremovalefficiencybyozonizingoxidation2.3　,,,[8,9]。/3.64.5,COD56。5　/3.6CODFig.5　Biodegradabilitycurveofinfluentandeffluentbyratioofozonetodye3.6,,,CODB/COD0.30.6,CODB(COD)BOD[10],BOD/COD0.36,,。6　/4.5CODFig.6　Biodegradabilitycurveofinfluentandeffluentbyratioofozonetodye4.52.4　-2.4.1　不同臭氧投加量的影响-,5h,,2。2,,COD30%,。,COD,/3.6,COD90%,40。2.4.2　曝气生物滤池停留时间对COD去除的影响-,/=4.5,3h7h。7。7　Fig.7　EffectofretentiontimeofBAFtotreatmentresult4573h,COD33mg/L,COD88%;5h,COD25mg/L,COD91%;7h,COD16mg/L,COD95%。。2　-Table2　Treatmentresultsofozonizing-biologicalaeratedfilterprocessatdifferentozonedosages/COD(mg/L)COD(%)BAF()0297.81297.81210.80029.2229.224000400040001.8297.81261.9847.6212.0381.8284.0140008008002.7297.81230.3033.3022.6785.5488.8240002002003.6297.81207.1030.4630.4685.2989.77400040404.5297.81203.0525.2531.8287.5691.52400020203　-,:/=3.6,3h,4∶1。40,COD40mg/L,SS50mg/L。20W,2.7kW,0.7/,1.89/t,0.1/t。4　　(1),/=3.6,99%,40。(2),/=3.6,BOD/COD0.180.36。(3)-,40,COD40mg/L,SS50mg/L,2/t。,。。[1],,,..,1994,14(4):200～204[2]..,2001,23(2):91～92[3]ZingU.,AndrewHong,WavrekDavid.Chemicalbiologi-caltreatmentofpyrene.WaterResearch,2000,34(4):1157～1172[4]LEEByung-Dae,MasaakiHosomi,AkihikoMurakam.iFentonoxidationwithethanoltodegradeanthraceneintobi-odegradable9,10-anthraquinon.WaterScienceandTech-nology,1998,38(7):91～97[5].(4).:,2002[6],.(1).:,2003.126[7],().(1).:,1990.123～125[8]ZingU.,AndrewHong,WavrekDavid.Chemicalbiologi-caltreatmentofpyrene.WaterResearch,2000,34(4):1157～1172[9]KatayanaA.,MatsumaraF.Photochemicalenhancedmi-crobialdegradationofenvironmentalpollutants.Environ-mentalScienceTechnology,1991,25:1329～1333[10],,.()::.2000.8646