超声场耦合曝气生物填料塔处理印染废水邹华生

(自然科学版)3710JournalofSouthChinaUniversityofTechnologyVol.37　No.10200910(NaturalScienceEdition)October　2009文章编号:1000-565X(2009)10-0140-05　　收稿日期:2009-03-12＊基金项目:(2002C31629);(2007Z3-E0311).　作者简介:(1957-),,,,.E-mail:[e-mail]超声场耦合曝气生物填料塔处理印染废水＊邹华生　闫晓满　黎民乐(,510640)摘　要:采用连续式超声反应器耦合曝气生物填料塔处理印染废水厂一级出水;通过实验分析对比了不同组合工艺对废水化学需氧量(CODCr)和色度的去除情况.实验结果表明,采用生物处理-(超声+活性炭)处理-生物处理组合工艺对印染废水的处理效果最好.在进水CODCr为600～1000mg/L、色度为320倍的条件下,先经生物处理7h后,再用60、80、100、125kHz4组频率组合连续超声反应器协同活性炭处理2h,最后经生物处理20h,出水CODCr去除率和脱色率分别为90%和95%左右,达到了GB4287—1992一级排放标准.关键词:超声;印染废水;曝气生物填料塔;活性炭中图分类号:X703.1;TQ085　　　　文献标识码:A　　,9,80%[1].,、,[2].,、、[3].,,,;、、、,[4].,、,[5-6].,[7-10],“”、.、,、、、.,(CODCr),,.1　实验部分1.1　实验装置与设备,,1.1　Fig.1　Flowchartofsewagetreatmentsystemcouplingultraso-nicreactorwithaeratedbio-packingtower1—;2—;3—;4—;5—;6—;7—;8—;9—;10—;11—　　.、,,.(5),8(40),,,,4.60、80、100、125kHz48.,,.,.,200mm,190mm,2400mm,60L;Dg38(2)173.38mm×1.2mm,454m2/m3,3275,93%.,,2L,.2　Fig.2　Pictureofthepacking1.2　试剂和仪器:、、、,;,;,..:(60、80、100、125kHz4);FA/JA,;JPB-607,;PHB-3pH,;C48L,.1.3　废水水质,:,,,、PVA、(、、).,CODCr600～1000mg/L,320,pH6.0～8.0,20～30℃.CODCr6～10kg/(m3·d).1.4　实验方法:;-;(+)-;-(+)-.CODCr、、pH,,.,,.1.5　分析方法(GB11903—89),=(1-)×100%.pH(GB6920—86);CODCr(GB11914—89),CODCrCODCr=(1-CODCrCODCr)×100%.2　结果与讨论2.1　单独采用生物填料塔的处理效果50L,5.0mg/L,48h,,CODCr、pH3.3,CODCr,48h,CODCr60.22%75%.3,0～7h,CODCr25.81%50%.,141　10:,CODCr;,,,,,CODCr.3　CODCr、pHFig.3　CurvesofCODCrremoval,chromaremovalandpHvalueversustime　　3,pH,,CO2、SO2,pH.2.2　超声-生物组合工艺的处理效果50L,1h2h,(5.0mg/L),48h,.CODCr4.4,,CODCr,,2h,CODCr69.55%80%.　　“”,.,(H··OH).,,.,,、,.,(、)[11-12],、,.4　CODCrFig.4　CurvesofCODCrandchromaremovalsversustime2.3　(超声+活性炭)-生物组合工艺的处理效果50L500g2h,,(5.0mg/L),29h,,5.5　CODCrFig.5　CurvesofCODCrandchromaremovalsversustime　　5,,22h;,CODCr142(自然科学版)37,,CODCr.,,,,CODCr,,[13-14].2.4　生物-(超声+活性炭)-生物组合工艺的处理效果50L7h,500g2h,,(5.0mg/L),29h,.6.6　CODCrFig.6　CurvesofCODCrandchromaremovalsversustime　　3:0～7h,8～9h,10～29h..,:,、,[15];,(·OH)CO2,;,、H·、·OH、O·H2O2,[16].,.6,CODCr,,CODCr;15h,,29h,CODCr90%,CODCr.3　结论,、;,,.,-(+)-,.CODCr600～1000mg/L、320,-(+)-29h,CODCr90%95%,GB4287—1992.参考文献:[1]　.[J].,2008,60(4):147-149.YanQun-fang.Dyestuffwastewatertreatmentwithmodi-fiedattapulgite[J].NonferrousMetals,2008,60(4):147-149.[2]　.[J].,2007,33(17):41-44.HeZhen-bao.Characterizationofdyeingeffluentsandtheirtreatmenttechniques[J].DyeingandFinishing,2007,33(17):41-44.[3]　,,.[M].:,2004:2-10.[4]　,,.[J].,2006,32(15):48-50.FengXu,LiaoYin-zhang,LiXu-dong.Advanceinbiologi-caltreatmentofdyeingeffluent[J].DyeingandFini-shing,2006,32(15):48-50.[5]　,,,.[J].:2008,44(5):63-66.ZhouLin-cheng,LiYan-feng,BaiXue,etal.Dyeingwastewatertreatmentwithimmobilizedmicroorganismtechnology[J].JournalofLanzhouUniversity:NaturalScience,2008,44(5):63-66.[6]　,,.[J].:,2008,25(1):35-38.143　10:ChenXi,XieJing-liang,YaoMing-xiu.Cultivationofde-coloringgermsofdyeingwastewater[J].JournalofUni-versityofScienceandTechnologyofSuzhou:NaturalScience,2008,25(1):35-38.[7]　ParagRGogate,AbhijeetMKabadi.Areviewofapplica-tionsofcavitationsinbiochemicalengineering/biotechno-logy[J].BiochemicalEngineeringJournal,2009,44(1):60-72.[8]　GonzeE,FourelL,GonthierY,etal.Wastewaterpretreat-mentwithultrasonicirradiationtoreducetoxicity[J].ChemicalEngineeringJournal,1999,73(2):93-100.[9]　,,,.[J].:,2008,31(10):1548-1551.ChengJian-ping,ChenChang-qi,YinFu-cai,etal.Ultra-soundpretreatmentforenhancingthebiodegradabilityofprintinganddyeingwastewater[J].JournalofHefeiUni-versityofTechnology:NaturalScience,2008,31(10):1548-1551.[10]　XieBei-zhen,LiuHong,YanYi-xin.Improvementoftheactivityofanaerobicsludgebylow-intensityultrasound[J].JournalofEnvironmentalManagement,2009,90(1):260-264.[11]　MasonTJ.PracticalSonochemistry[M].NewYork:El-lisHorwood,1991:17-21.[12]　HoffmannMichaelR,HuaInez,HöchemerRalf.Applica-tionofultrasonicirradiationforthedegradationofchemi-calcontaminantinwater[J].UltrasonicsSonochemis-try,1996,3(Suppl):163-172.[13]　,,.[J].,2008,22(3):206-210.LiuChuang,LiYong-feng,LinYong-bo.Studyonactivecarbonusedintreatmentofdyeingwastewater[J].Jour-nalofShanghaiUniversityofEngineeringScience,2008,22(3):206-210.[14]　,.[J].,2008,33(1):96-98.YangYing,ZhaoYan-qi.Researchofde-coloringeffectonactivecharcoaltothedyestuffs[J].EnvironmentalScienceandManagement,2008,33(1):96-98.[15]　().[M].:,1984:418-433.[16]　,,,.US/AC/H2O2A[J].,2008,28(3):8-11.GaoJian-feng,XuChun-yan,WangJiu-fen,etal.Degra-dationofendocrinedisruptorbisphenolAinwastewaterbyUS/AC/H2O2[J].ShanxiChemicalIndustry,2008,28(3):8-11.TreatmentofDyeingEffluentbyCouplingUltrasonicFieldwithAeratedBio-PackingTowerZouHua-sheng　YanXiao-man　LiMin-le(SchoolofChemistryandChemicalEngineering,SouthChinaUniversityofTechnology,Guangzhou510640,Guangdong,China)Abstract:Acontinuousultrasonicreactorcouplingwithanaeratedbio-packingtowerwasadoptedtotreatthefirst-orderdyeingeffluent,andtheremovalsofchemicaloxygendemand(CODCr)andchromawithdifferentcombinedtechnologieswerethenanalyzedandcompared.Theresultsshowthatthecombinedtechnologyofbiotreatment-(ul-trasonic+activecarbon)-biotreatmentismosteffectiveinthetre