不同水生植物深度净化石化废水效果研究

王新刚,吕锡武,吴义锋,周海峰(东南大学能源与环境学院环境工程系,南京210096)　:,,、、、、、6。:15d,,CODCr,TN,TP;,,;,。:;;:X703　　　:A　　　:1671-1556(2008)03-0059-03＊StudyonAdvancedTreatmentofPetro-chemicalWasteWaterwithDifferentAquaticPlantsWANGXin-gang,LUXi-wu,WUYi-feng,ZHOUHai-feng(DepartmentofEnvironmentalEngineering,SoutheastUniversity,Nanjing210096,China)Abstract:Theexperimentsofadvancedtreatmentofpetro-chemicalwastewaterwithdifferentaquaticplantswereevaluated.TheresultsoftheexperimentsshowedthattheaquaticplantscouldremoveCODCr,TNandTPfromthewatereffectively.ComprehensivejudgmentshowedthatScippusvalidus,Cerato-phyllumdemersumandIpomoeaaquaticacouldbestremoveCODCr,TNandTPrespectively.AndIpo-moeaaquaticacouldwellfitthewaterqualityandremoveanykindofthepollutanteffectively.Theaquaticplantscouldtransportoxygentowaterthroughrootsafterphotosynthesisindaytime,butatnighttheycouldrespiretheoxygeninwater,whichcouldreducetheoxygenconcentrationevidently.Keywords:advancedtreatment;petro-chemicalwastewater;aquaticplants0　,,100,47%,41.2%[1]。,,、、。6,、,,。1　1.1　:(Ipomoeaaquatica):。(Acorustatarinowiischott):。(Ceratophyllumdemersum):。(Scippusvalidus):。(Cannageneralis):。(Phragmitescommunis):。15　32008　　9　　　　　　　安全与环境工程SafetyandEnvironmentalEngineering　　　　　　Vol.15　No.3Sep.　2008＊:2008-04-24　　:2008-06-11:(1978—),,,。E-mail:[e-mail].1.2　,,10L,9L。20077,,1。1　(mg·L-1)Table1　Waterqualityforexperiment(mg·L-1)DOCODCrTNTP2.61008.30.88DO;CODCr;TN;TP。2　2.1　CODCr6CODCr1。1:6CODCr,3d,CODCr、,,;3dCODCr;15d,CODCr,45.7%,、、、,,42.0%、41.0%、39.9%39.0%,30.6%。(),3d,;,,CODCr=100mg/L,,CODCr5d。1　CODCrFig.1　RemovalofCODCrbydifferentaquaticplantsCODCr:。2.2　TN,,、、,,,[2]。6TN2。2:,。TN8.52mg/L1.21mg/L,85.8%,;TN1.25mg/L,;、、,,15dTN,1.97mg/L。2　TNFig.2　RemovalofTNbydifferentaquaticplantsTN:。2.3　TP,ATP、DNARNA。,,[3]。6TP3。3:TP。TP,15dTP0.88mg/L0.11mg/L,87.5%;,、,70%～74%。,5d,TP,。TP:。60　　　　　　　　　　　　　　　　　安全与环境工程　　　　　　　　　　　　　　第15卷3　TPFig.3　RemovalofTPbydifferentaquaticplants2.4　,,,、[4]。。4。4:4.3～5.7mg/L,8∶30,16∶30,;,12∶30～16∶30,,,,0.1～0.2mg/L;、,16∶00,,2.3～2.8mg/L;2.8～4.0mg/L3.5～3.9mg/L;,2.4～8.0mg/L,1.8～7.5mg/L。2.5　:,;。()5。204g,;,87g;、、,68g、67g、59g58g。。3　　(1)6,15d,CODCr、TN、TP,CODCr,TN,TP。(2),,、。,。(3),,,。:[1].[EB/OL].[2],.、[J].,2007,21(4):393-396.[3]Stottmeister,U.,A.Wiener.Effectsofplantsandmicroorgan-ismsinconstructedwetlandsforwastewatertreatment[J].Bio-technologyAdvances,2003,22:93-117.[4]Yang,L.,H.T.Chang.Nutrientremovalingravelandsoil-basedwetlandmicrocosmswithandwithoutvegetation[J].Eco-logicalEngineering,2001,18(1):91-105.:(1954—),,,。E-mail:[e-mail]61第3期　　　　　　　　　　　王新刚等:不同水生植物深度净化石化废水效果研究