不同芹菜浮床对富营养化水体净化效果研究李艳蔷

、、[1]。Cannaindica、Cyperusalternifolius、Oenanthejavanica、Ipomoeaaqutica、LoliumperenneL.[2-5]。ApiumgraveolensL.。、。。、。11.1EVA15cm×15cm×0.7cmΦ1.0～1.3cm600mL5～8g·-120cm×20cm×35cm。pH8.03COD35mg·L-1TN11.03mg·L-1NH4+-N9.11mg·L-1NO3--N0.42mg·L-1TP1.29mg·L-1。。1.220cm1。-4。48L。-EVAEVAEVA9cm×9cm448L。、EVA8L。-EVA、-、、EVA43EVA。1221221.4300702.430060EVA,。2100%。EVA26.32%0.91%18.35%22.92%。-EVA-TN、NH4+-NNO3--N73.88%86.82%、94.07%95.27%、95%94.34%TP89.46%94.56%。。。EVAX703.1A1000-3770(2011)[e-mail]3710201110TECHNOLOGYOFWATERTREATMENTVol.37No.10Oct.,201166DOI:10.16796/j.cnki.1000-3770.2011.10.01813201031841415d。318、20、23、26、29、41TN、TP、NH4+-N、NO3--N、DO、pH。CODTNNH4+-N-NO3--NTP[6]。DOpHpH。22.12.1.1100%。15d1。EVA14%18%。。2.1.21。。1EVA10.98。。。EVA。EVA26.32%。。2.1.3-EVA-。。1。。2.1.41--EVA。224.4%21.3%117.3%263%。。2。2.1.51--EVA。222.6%EVA0.760.560.07/%/%/%91.5790.7489.832.613.0892.1750.2530.3110.302/%EVA1321001181Tab.1Comparisonofthegrowthstatusoftheceleryondifferentfloatingbed1Fig.1Distributionofthebiomassandcomparisonofthewatercontentofthecelerywithdifferentplanting020406080100
 
/%2Fig.2DistributionoftheNandPcontentofthecelerywithdifferentplanting0.00.51.01.52.02.53.03.54.0


/%6716.7%0.03%。。2.2pHpH3。EVA、pH8.63～10.39。-EVA-pH67.77.9。。pH[7]。pH。、、、、pH[8]。pHpH。2.3DODO4。415d、EVADO56.38%、121.78%、3.3%-EVA-11.5%7.6%。DO。3DO。DODO。DO。93DO8。EVA5d5dDO。5dEVA。2.4TPTP5。-、-EVA、EVATP94.56%、89.46%、85.19%、72.30%。TP-9.37%EVATP-EVA17.16%。TP。、TP30.7%、38.4%15.3%[9]。。TP89.16%。TP。EVA89.16%3.97%16.86%024681012141634567891011pH
d3pHFig.3ChangeofpHineutrophicalwaterwithdifferenfloatingbed4DOFig.4ChangeofDOconcentrationineutrophicalwaterwithdifferenfloatingbed024681012141602468101214161820
(DO)/mg
Ld5TPFig.5ChangeofTPconcentrationineutrophicalwaterwithdifferenfloatingbed02468101214160.00.20.40.60.81.01.21.4
(TP)/mg
Ld371068TP。2.52。--EVATN27.09%38.61%。EVATN20.04%24.46%。TN。NH4+-N-、、-EVA、EVA。。\。EVApH9.8710.39[9]。2。[10]。80%EVANH4+-N31.04%。NH4+-NEVANH4+-N。。EVAEVA。90%EVA50%。、[11]。。。。3。。DOpH。-EVA-、。-EVA-。。-EVA-。-EVAEVA、-。。。。[1],,,.[J].,2008,34(5):34-25.[2],.[J].,2005,7(27):505-508.[3],,,.4[J].,2009,29(2):285-290.39.6935.2773.8886.8259.73TN/%NH4+-N/%NO3--N/%97.1666.1294.0795.2795.2449.5248.1495.0094.3492.57EVA-EVA-2Tab.2Comparisonofremovalratesofvariousnitrateineutrophicalwaterwithdifferenfloatingbedsystem69[12],,,.[J].,2007,14(3):412-417.[13],,,.BF[J].,2009,29(4):70-73.[14],,,.[J].,2009,3(2):199-204.[15],,,.-[J].,2009,18(1):68-74.[16],,,.[J].:,2007,39(1):30-33.[17],.[J].,1995,15(2):140-144.ESTORATIONTESTONMICRO-POLLUTEDWATERINDIFFERENTCOMBINATIONOFFILLERSYSTEMANDFLOATINGBEDSYSTEMZhengShuisheng1,2,WangKaiying1,GuoZonglou1,XuWenbin2（1.SchoolofBiosystemsEngineeringandFoodScience,ZhejiangUniversity,Hangzhou310058,China;2.SchoolofEnvironmentalScienceandEngineering,GuangdongUniversityofTechnology,Guangzhou510006,China）Abstract:Acompoundecologicalfloatingbedsystemwasconstructedbybamboofillerandcanna.Thepurificationeffectsofthecompoundfloatingbedformicropollutedwaterweretestedunderdifferentspacecombinationandaerationmode.Theexperimentalresultsshowedthatallthethreecombinationshadgoodpurifyingeffectonpollutantsofmicropollutedwateranddifferencesremarkablebetweencombinationswhenthehydraulicretentiontimewas12htheairandwaterratiowas3:1.Thecombinationpatternwhichthefloatingbedwasabovethebamboofilleronturbidityandammonianitrogenremovalratewere84%and63%,repectively,weresignificantlyhigherthantheothertwocombinations;whilefortheCODandtotalphosphorusaverageremovalrate,thecombinationwhichthefloatingbedwasonthebackofthebamboofillerhadadistinctadvantagethantheothertwocombinations,whichwere46%and50%,respectively.Keywords：bamboofiller;combination;compoundfloatingbed;micropollutedwaterPURIFICATIONEFFECTOFDIFFERENTCELERYFLOATINGBEDONEUTROPHICALWATERLiYanqiang1,2,LiZhaohua2,JiangYinghe1,SongHuiting2,ZhaoLiya2（1.SchoolofCivilEngineering&Architecture,WuhanUniversityofTechnology,Wuhan430070,China;2.SchoolofResourcesandEnvironmentalScience,HubeiUniversity,Wuhan430060,China）Abstract:CelerywasplantedonfloatingbedwithEVAfloormatsandporcelaingranule.Resultsshowedthatthesurvivalratesofcelerywere100%onthetwoplantingfloatingbeds.ComparedwiththeceleryonEVAfloatingbed,thoseonporcelaingranulefloatingbedgrewbettersincetheroot-shootratioandmoisturecontentweredecreasedby26.32%and0.91%andtheratioofnitrogenandphosphoruswereincreasedby18.35%and22.92%.ThetwoceleryfloatingbedsystemshadgoodpurificationeffectonnitrogenandphosphorusineutrophicalwaterwithTNremovalrateof73.88%and86.82%,NH4+-Nof94.07%and95.27%,NO3--Nof95%and94.34%andTPof89.46%and94.56%respectively.Thefloatingbedwithporcelaingranulemayimproveboththequalityofceleryandthepurificationeffectsofwater.Therefore,celeryandporcelaingranulecouldbeappliedtoartificialfloating-bedtechnology.Keywords：celery;floatingbed;EVAfloormats;p