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: ,,1985,,。#。*(No.107046);(No.NECT-07-0175);(No.08JC1400500)。沸石曝气生物滤池预处理微污染水源水中氨氮的研究*杨 林 薛 罡# 李小琴 汪永辉(,201620) ,。:(1),。5.00mg/L,30min,0.66mg/L,86.8%,。(2),,。0.4m3/(m2·h)1.3m3/(m2·h),13.2%。(3),,。0.5(,)、1.0、1.5,81.8%、85.3%、86.7%。(4)200~600mm,600mm89.7%,96.9%,600mm,。 Pretreatmentofammonianitrogeninmicro-pollutedsourcewaterbyzeolitebiologicalaerationfilter YangLin,XueGang,LiXiaoqin,WangYonghui.(SchoolofEnvironmentalScienceandEngineering,DonghuaUniversity,Shang-hai201620)Abstract: Zeolitebiologicalaerationfilterwasemployedforthepretreatmentofammonianitrogenmicro-pollu-tedsourcewater.Theadsorptioncharacteristicandeffectofoperationparametersonadsorptionefficiencywereinves-tigated.Thestaticabsorptionprocesspresentedthecharacterofquickadsorptionandslowbalance,after30minofab-sorption,86.8%ofammonianitrogenwasremovedfrommicro-pollutedsourcewater(ammonianitrogenconcentrationof5.00mg/L),thenthechangetendedtostability.Whenhydraulicloadingrangedfrom0.4m3/(m2·h)to1.3m3/(m2·h),theremovalrateofammonianitrogenhadalittlechange.Ammonianitrogenremovalratewasincreasedwithincreasingofgas-waterratio,whenthegas-waterratiowere0.5,1.0and1.5,theremovalrateofammonianitro-genwere81.8%,85.3%,86.7%respectively.Theoptimumlayerwasfrom200mmto600mm,89.7%ofammonianitrogenwasremovedattheheightsof600mm.Keywords: zeolitebiologicalaerationfilter;micro-pollutedwater;pretreatment;ammonianitrogen ,。,,。,、、,,,,“”。 ,。,,、,。,,。 ,,,、、,。1 1.1 实验进水,1。·9· DOI:10.15985/j.cnki.1001-3865.2009.11.0041 Table1 Qualityofmicro-pollutedrawwaterpH/(mg·L-1)/(mg·L-1)254nm(UV254)/cm-17.5~8.06.32~8.681.32~2.850.1170~0.26987.87.551.860.18951.2 沸石性质65%(),1.0~3.0mm,2,Cu、Pb、As、Be、Zr、Ni、P、Mo、Sn、Ca、V、Yb、Y、Nb、La。:2.16g/cm3,3~4,230~320m2/g,0.0187mL/g,3.5~4.0,4.25~5.25,750℃。1.3 实验装置 80mm,1200mm,800mm,4L,100mm,1。、,,[1]。,,1 Fig.1 Theschematicdiagramoftestdevice。,。1.4 沸石的静态吸附实验 0.50~3.30mg/L,5.00~7.00mg/L[2]。1g250mL,5.00mg/L100mL,,,。 ,pH,。1g250mL,10.00、20.00、40.00、80.00、100.00mg/L100mL,pH,,,1h,15min,pH,。1.5 运行条件对氨氮去除效果的影响实验1.5.1 pH7.5~8.0、19.8~21.6℃、1.0(,),0.4、0.7、1.0、1.3m3/(m2·h)。1.5.2 pH7.3~7.8、21.3~22.9℃、1.0m3/(m2·h),0.5、1.0、1.5。1.5.3 pH7.2~8.1、22.1~23.8℃、1.0m3/(m2·h)、1.0,。2 2.1 静态吸附实验结果2,0~10min,2 1)Table2 Compositionsofnaturalclinoptilolite% SiO2TiO2Al2O3Fe2O3FeOMnOMgOCaONa2OK2OH2O66.210.1310.990.960.110.040.532.982.220.926.45 :1)。·10· 31 11 200911,;10~30min,,,、;30min,。10min,1.32mg/L,73.6%;20min,0.97mg/L,80.6%;30min,0.66mg/L,86.8%。2 Fig.2 Varietyofammonianitrogenduringabsorption ,Na+NH+4,pH,3。3 pHFig.3 VarietyofpHduringabsorption2.2 运行条件对氨氮去除效果的影响结果2.2.1 ,。4,,。5,0.4m3/(m2·h)1.3m3/(m2·h),13.2%;0.4~1.0m3/(m2·h),;1.0m3/(m2·h)1.3m3/(m2·h),79.1%71.6%。,,,,[3],,,[4]。,,,。,[5],。2.2.2 。6,0.51.0,;1.0,,,。,,·11· ,,,,,,。7,0.5,81.8%;1.0,85.3%;1.5,86.7%,1.01.4%。2.2.3 8:(1)0~200mm,,,,,,,,2,,,。(2)200~600mm,600mm89.7%,96.9%,600mm,。,,,,,,,[6]。,,,200mm,,,200mm,。(3)600~800mm,,,,200~600mm,600mm。8 Fig.8 Concentrationofammonianitrogenatdifferentheightsoffillerlayer3 (1),。5.00mg/L,30min,0.66mg/L,86.8%,。 (2),。0.4m3/(m2·h)1.3m3/(m2·h),13.2%。(下转第16页)·12· 31 11 200911 2(c),DTP/TPDIP/TP。,DTP/TP。,,DTP/TP23.75%()43.85%()。(62.91%),DTP/TP39.16()19.06()。,DTP/TP24.90()23.37()。,,DTPTP,PP。3 (1),,,,。,TP,,,PP。 (2),。,DIP/DTP、DIP/TP、DTP/TP,PP。:[1] PALOMOL,CLAVEROV,IZQUIERDOJJ,etal.Influenceofmacrophytesonsedimentphosphorusaccumulationinaeu-trophicestuary(PamonesRiver,SouthernSpain)[J].AquaticBotany,2004,80(2):103-113.[2] EDLUNDG,CARMANR.Distributionanddiagenesisofor-ganicandinorganicphosphorusinsedimentsoftheBalticprop-er[J].Chemosphere,2001,45(6/7):1053-1061.[3] LIW,fRIEDRICHR.Insituremovalofdissolvedphosphorusinirrigationdrainagewaterbyplantedfloats:preliminaryre-sultsfromgrowthchamberexperiment[J].AaricultureEcosys-tems&Environment,2002,90(1):9-15.[4] PERKINSRG,UNDERWOODGJC.Thepotentialforphos-phorusreleaseacrossthesediment-waterinterfaceinaneu-trophicreservoirdosedwithferricsulphate[J].WaterRe-search,2001,35(6):1399-1406.[5] ,,,.[J].,2007,20(2):78-83.[6] SφNDERGAARDM,WINDOLFJ,JEPPESENE.Phosphorusfractionsandprofilesinthesedimentsofshallowdanishlakesasrelatedtophosphorusload,sedimentcompositionandlakechemistry[J].WaterResearch,1996,30(4):992-1002.[7] ,.[J].,1996,15(1):15-19.[8] RYDINE,WELCHEB.Aluminumdoserequiredtoinactivatephosphateinlakesediments[J].WaterResearch,1998,32(10):2969-2976.[9] ,,,.[J].,2003,24(1):40-45.[10] KIMLH,CHOIE,GILKI,etal.PhosphorusreleaseratefromsedimentsandpollutantcharacteristicsinHanRiver,Se-oul,Korea[J].ScienceoftheTotalEnvironment,2004,321(1/2/3):115-125.[11] ,,,.[J].,2005,24(3):521-525.[12] ,,,.———[J].,2006,18(2):179-183.[13] ,,,.———[J].(D),2005,35(Ⅱ):33-44.[14] ,,,.[J].(D),2003,33(8):760-768.[15] ,,,.-:2.-[J].,2006,18(3):207-217.[16] ,,,.[J].,2007,28(1):70-74.[17] ,,.[J].,2002,24(4).[18] FROELICHPN.Kineticcontrolofdissolvedphosphateinnaturalriversandesturies:aprimeronthephosphorusbuffermechanism[J].Limnology&Oceanography,1988,33(4):649-668.编辑:陈泽军 (:2009-05-16)(上接第12页) (3),,。0.5、1.0、1.5,81.8%、85.3%、86.7%。 (4)200~600mm,600mm89.7%,96.9%,600mm,。:[1] .[D].:,2006.[2]
本文标题:沸石曝气生物滤池预处理微污染水源水中氨氮的研究杨林
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