成都活水公园人工湿地对锦江河水年度净化效果的研究阳小成

35　5　　　()　　　Vol.35No.5　200810JOURNALOFCHENGDUUNIVERSITYOFTECHNOLOGY(Science&TechnologyEdition)Oct.2008　[]1671-9727(2008)05-0591-06成都活水公园人工湿地对锦江河水年度净化效果的研究[]2007-08-12[]成都理工大学人才引进科研启动资金资助项目(R17)[]阳小成(1965-),男,博士,副教授,主要从事生物工程及生态学研究,E-mail:[e-mail]。阳小成(,610059)[]2006年1～12月份对成都锦江流经活水公园人工湿地生态系统的部分河水进、出水口所取水样的主要水质指标(pH,DO,COD,BOD5,TP,TN)的逐月对比监测,结果表明该湿地系统对污水的净化处理综合效果比较显著。其中,出水口各月的pH值均达到7.5～8.0的正常范围,DO的全年平均增长率高达168.2%;对有机污染因子CODcr,BOD5以及TP和TN的清除也很明显,年平均除去率分别达到70.5%,71.3%,82.06%和78.25%。作者从人工湿地生态系统影响或净化水体质量的有关因素方面探讨了其净化的机理。该系统的成功运行为这一污水处理新工艺应用推广提供了有益的示范效应。[]人工湿地;污水净化;成都活水公园[]X522　　　　[]A　　,,、;,,,“”[1]。(ConstructedWetlands)、,。,:(SFW)、(SW)(VFW)。,2070。,、、,,。,,600;、、200()[2]。。1989;1990;,,[3],[4]。,、,,()[5]～[7]。,,,。,[8]。(、),,,。,5(:6～10,124,5、11)[9]。,,1m3/s,、,Ⅴ,[10],。1998,“”,,、,0.24hm2。,。1[11]。,[11],[12],、,。1　20061～12,“”、,(pH),(DO),(CODcr)、(TN)、(TP)(BOD5)。1.1　20061200612,、。(),(2,)。:()()15cm30cm500mL,()。2000mL。1.2　6:pH,DO,BOD5,CODcr,TN,TP。《》[13]。():R=c1×V1-c2×V2c1×V1×100%:c1c2、;V1V2、,,V1=V2。2　,20062。:。,、,,pH7.5～8.0;DO,168.2%;CODcr,BOD5TPTN,70.5%,71.3%,82.06%78.25%。。2.1　(pH)2-A,pH1　Fig.1　FlowdiagramoftheconstructedwetlandsystemintheChengduliving-waterpark·592·成都理工大学学报(自然科学版)　　　　　　　　　　　第35卷2　2006Fig.2　ThepurificationeffectofthewastewaterofJinjiangriverbytheconstructedwetlandsystemin2006。1～412,,,pH。,,;,,,pH,5～8。pH,7.5～8.0。2.2　(DO)2-B,DO2mg/L,DO。2,,2～5DO,54.3mg/L,7～9。,DO,57(12.1mg/L),,,,,DO。,DO168.2%,266%,。2.3　(CODcr)2-C,CODcr,1～4·593·第5期阳小成:成都活水公园人工湿地对锦江河水年度净化效果的研究CODcr,5～6,9(12.7mg/L);CODcr2.01～8.55mg/L,5.37mg/L。CODcr56%～89%,70.5%。6～7CODcr,;,。2.4　(BOD5)2-D,BOD5CODcr。BOD51～4,5,9(6.88mg/L),10,10～12。,BOD5(4.5mg/L),4～8,BOD5。BOD571.3%。CODcr。,CODcrBOD5。2.5　(TP)2-E,2006,TP(2.0mg/L),,。,1～8,TP,TP,80%100%;9,TP。,TP82.6%,。2.6　(TN)2-F,2～4TN,5～12。,,TN1mg/L,TN,TN。5～7TN,、。,TN78.25%。,TN,,,;,。2.7　,2006(1～412)(6～10)5,(:NTU)3。3　Fig.3　ComparisonofwaterpurificationeffectsbetweentheplentifulwaterperiodandpoorwaterperiodoftheJinjiangriverbytheconstructedwetlands3,TP,。。,,,pHDO;CODcrBOD5,、[14],。,,,,。,,、,。TN,、、。,·594·成都理工大学学报(自然科学版)　　　　　　　　　　　第35卷8%～16%,[15]。(),,。TP,PO3+4,,[16]。,TP;(NTU),(6～10)、,。3　“”,:,。(pH)(DO),、、。,,。,、,。[17],。Reddy[18],,[19]。[20],22～32℃,TNTP。,,NP[21]。[22]。、、。,[23];,,,。(、、),、,。、、。,,,SS(),、。,、,、,、,。,,,。,,、、,,、、,。;。。,。、、,、。[][1],.[J].,1998,18(5):542-544.[2]GERSBERGRM,ELDKINSV.Roleofaquaticplantsinwastewatertreatmentbyartificialwetland[J].WatRes,1988,20(3):363-368.[3],.[J].,2003,22(2):49-50.·595·第5期阳小成:成都活水公园人工湿地对锦江河水年度净化效果的研究[4],,,.[J].,1999,32(6):88-92.[5],,,.[J].,2000,19(2):10-11.[6].[J].(),1992,22(2):47-54.[7].[J].,1997,10(4):15-18.[8],,.[J].,2004,2(4):242-246.[9].[J].,1999,18(3):12-13.[10].(GB3838-88)Ⅲ[S].:,2002.[11],.[J].(),2005,19(4):55-56.[12],,,.[J].,2000,(6):27-29.[13].(4)[M].:,2002.[14]HALIDEH,RIDDPV,PETERSONEL.Assess-ingsedimentremovalcapacityofvegetatedandnon-vegetatedsettlingpondsinprawnfarms[J].Aqua-culturalEngineering,2003,27:295-314.[15].[J].,2002,22(5):438-441.[16]SUNDARAVADIVELM.Constructedwetlandsforwastewatertreatment[J].CriticalReviewsinEnvi-ronmentalScienceandTechnology,2001,31(4):351-409.[17].[J].,1998,10(3):61-67.[18]REDDYKR,DeBUSKWF.Nutrientremovalpo-tentialofselectedaquaticmacrophytes[J].EnvironQual,1985,14(4):459-462.[19]MAHLUMT,STAELNACKEP.Removaleffi-ciencyofthreecold-climateconstructedwetlandstreatingdomesticwastewater:effectsoftempera-ture,seasons,loading,rates,andinputconcentra-tions[J].WatSciTech,1999,40(3):273-281.[20],,,.[J].,1991,2(4):350-354.[21]BRAJANOVICD,LOGEMANNS,VanLOOS-DRECHTMCM,etal.Influenceoftemperatureonbiologicalphosphorusremoval,processandmo-lecularecologicalstudies[J].WaterRes,1998,32(4):1034-1047.[22]HANSB.Theapplicabilityofthewastewatertreat-mentplantinOthfresenasscientificdocumentationoftherootzonemethod[J].WatSciTech,1986,19(10):19-24.[23],.[J].,1997,(3):1-6.StudyonannualwastewaterpurificationefficiencyofJinjiangriverbytheChengduliving-waterparkconstructedwetlandsYANGXiao-chengCollegeofMaterial&ChemicalEngineering,ChengduUniversityofTechnology,Chengdu610059,ChinaAbstract:Asoneofthenewsewagepurificationtechniques,theconstructedwetlandhasmanymerits,suchaslowinvestment,lowcost,easyoperation.Itsexcellenteffectintreatingsewagehasbeenrecognitzed.DuringtheperiodofJanuarytoDecemberin2006,theauthortooksomewatersamplesfromtheintakeandoutletoftheChengduliving-waterparkconstructedwetlandssystem,respectively.ThispaperstudiestheefficiencyoftreatingthepollutedJinjiangriverwaterwithconstructedwetlandsecosystem.Theresultofthisstudyshowsthatthepurificationeffectoftheconstructedwetlandsisobviousineverymonthof2006.TheremovalrateofCODcr,BOD5,TP,TNinthewholeconstructedwetlandsystemishighandtheyare70.5%,71.3%,82.06%and78.25%,respectively.TheabilitytoadjustpHandDOisalsosignificant.Theabilityofthisconstructedwetlandstoremovepollutantsinsummerandautumn,especiallyfromJunetoSeptember,issignificantlysuperiortothatinwinter.Themoreheartystageofaquaticplantsgrowthisbetterthanthemorefeeblishstageofplantgrowth.Thesuccessfuloperationoftheconstructedwetlandsecosystemprovidesthedemonstrationeffectfortheapplicati