74Vol.7,No.420064TechniquesandEquipmentforEnvironmentalPollutionControlApr.2006陈志澄 郭丹桂 熊明辉 罗淑华 林群龙 郭桂胜(,510224) 2,27、、COD,、、、、、、、、、、、、、、、、、18,,,,2,。,,。 X52;X703.1 A 1008-9241(2006)04-0090-04StudyonthescreeningofplantsforsewagetreatmentChenZhicheng GuoDangui XiongMinghui LuoShuhua LinQunlong GuoGuisheng(DepartmentofHealthChemistry,GuangdongCollegeofPharmacy,Guangzhou510224)Abstract Twosimulationofsoil-freecultivationandsmallgravel-bedconstructedwetlandwerecarriedouttostudytheabilitiesof27kindsofplantstoremovenitrogen,phosphorandCODinsewage.Resultsshowedthat18plantsincludingAlocasiaodora,Dieffenbachiapictaschott,Elephantgrass,Coronariousgingerlily,Philoden-dronSpp.,Dracaenaanderianavar.virens,Zailiflower,Bigdieffenbachiapictaschott,Phragmitesaustraliscom-munistrin,Flowerbulrush,CannachinenesisW.,CrinumasiaticumL.var.sinicumbaker,CallapalustrisLinn,CyperusaltemifoliusL.,Alternantheraversicolorregel,Spiderorchis,Qianshouguanyin,SeripusvalidusandSyngouiumpodophyllumweresuitableforplantingontheconstructedwetland.Theseplantsnotonlydepuratedsewagebutalsobeautifiedtheenvironmen.tItcouldbeusedinnon-pointsourcesewagetreatmen.tTheresearchoftheElephantgrassshowsthatitisaspecieswithhighcapacityofsewagetreatmentanditcanbeusedasfor-age.SoElephantgrassisespeciallysuitableforsewagetreatmentofstockfarm.Keywords plants;constructedwetland;sewagepurification:2004-09-29;:2005-03-24:(1939~),,,:、。E-mail:aleckyu@21cn.com ,,,,、,,,、、、。,,,。,,,,2,。,,,,。[1~8],、、,,,。,,。1 1.1 (1)(,Alocasiaodora);(2)(Dieffenbachiapictaschott);(3)(Elephant-grass);(4)(Scindapsusaureusengler);(5)(Syngouiumpodophyllum);(6)(Coronar-iousgingerlily);(7)(Scheffieraoctophyllalour.harms);(8)(,Philodendron4:Spp.);(9)(Dracaenasanderianavar.virens);(10)(FicusbenjaminaLinn);(11)(Zailiflower);(12)(Qianshouguanyin);(13)(Bambusamultiplex(lour)raeuschel);(14)(Bigdieffenbachiapictaschott);(15)(Phragmitesaustraliscommunistrin);(16)(Scindapsusaureus);(17)(Seripusva-lidus);(18);(19)(Flowerbulrush);(20)(CannachinenesisW.);(21)(CrinumasiaticumL.var.sinicumbaker);(22)(Spiderorchis);(23)(CallapalustrisLinn);(24);(25);(26)(Cyperusal-temifoliusL.);(27)(Alternantheraversicolorre-gel)。1.2 (1),(22±5)℃,35cm,0.3~1cm,,10cm,0.18m2。(2),27cm()×20cm()×30cm(),0.3~1cm,。3(1),,。(3),[9],(27cm×20cm×30cm),,,,,。1.3 (mg):Ca(NO3)24H2O(472),KNO3(267),KH2PO4(100),NH4HCO3(78),MgSO47H2O(246),K2SO4(116),FeSO47H2O(13.9),ED-TA-2Na(18.6),H3BO3(2.86),MnSO44H2O(2.13),ZnSO4(0.22),CuSO45H2O(0.08),(NH4)6Mo7O244H2O(0.02),,1L。1.4 COD、CODMn、NH3-N、NO-2-N、NO-3-N、PO3-4。2 2.1 1.2(1),:,、、、、、、、、、、、、,,,、、、、、,,。、、、、、,,。、,。,,,。,,,。,,,,,,。、。,,。,,。2.2 、1.2(2),107μg/mL,22.8μg/mL,2d9dNH3-N、NO-2-N、NO-3-NPO3-4,NP1。1:,N、P。,,,N、P、、、、、、、、、、、、、、、、、、、、、、、、。、N、P,、,N、P。,N、P,,,。2.3 ,2h,2d,,,271.2(2),CODMn、N、P,2d,,。CODMn、N、P2。9171 TN、TPTable1 ThechangesofTN、TPinnutrientsolution(μg/mL)TN2d9dTP2d9dTN2d9dTP2d9d188.0566.7212.295.101591.7871.0717.4310.08294.2273.3512.205.001690.4489.2814.5412.44359.6712.485.191.231777.7865.9611.209.61495.7489.5612.2412.201878.5266.899.037.36590.258.9813.735.431981.7135.479.717.01689.179.0714.453.6620101.783.229.672.48786.812.0415.2710.92196.8290.7912.9212.32864.527.076.232.932283.1873.1713.2212.20976.0349.510.216.072353.700.008.403.1210100.795.3115.3611.732494.1171.0911.115.0711100.895.4415.3810.202587.3169.8711.746.0712100.495.8314.6310.6726103.542.6111.293.591378.6778.3813.056.372775.3513.2317.543.711461.3531.628.042.932 CODMn、TN、TPTable2 ThedegradationpercentofCODMn、TN、TPinsewagebyplants(%)CODMnTNTPCODMnTNTP157.386.9515.311554.175.738.27253.490.2627.591649.291.7844.64358.985.7543.321720.995.4219.89445.982.6144.181836.782.5549.81543.081.0857.051974.098.8113.57693.099.8345.852062.488.0342.86741.399.7839.392177.684.1723.87871.085.5387.722252.083.2850.59951.494.1322.182366.193.0871.791058.285.3145.052424.086.3213.191166.991.1830.672544.788.0925.321267.090.8853.622672.280.3498.891344.799.4516.242766.485.5033.391464.899.2648.262,2d,18CODMn50%,27N75%,,1440%。,,,。2.4 COD、TN,1.2(3),。4,、、、,,3,24d,。1.2(1),,,,,,1.2(3)。、,,,,,2d,COD,,、,,2dCOD,24d。2dCOD100,1。1,,COD;COD,(CK)。1COD2。924:1 -CODFig.1 ThedegradationruleofCODintheplant-sewagesystem,NH3-N,,NH3-N,,,24dNH3-N,2。2 -Fig.2 ThedegradationruleofNH3-Nintheplant-sewagesystemNO-3-N,N。,NO-3-N2d4d,4d24dNO-3-N。NH3-NN2,NO-3-N,NO-3-N,。、,3。3,,。31。COD、TN3 -Fig.3 ThedegradationruleofTNintheplant-seweagesystem,。,,。3 27,、、、、、、、、、、、、、、、、18,,,,2。,,。[1],..,1998,17(2):47~51[2],,,..,2002,24(3):81~83[3],..,2002,20(5):409~413[4].———.,2000,18(6):15~16[5]..,2002,17(3):14~17[6]..,2002,13(6):719~722[7]..,1997,13(1):25~28[8]CooperP.F.,eta.lReedbedtreatmentsystemsforsewagetreatmentintheUnitedKingdom:Thefirst10yearsexperi-ence.WaterSc.iTech.,1995,32(3):317~327[9],,..:,199893