除铁锰滤池不同滤层对砷污染的强化去除研究康雅

1111111鹍221．4500072．100085Z。80cm60%20cm。TU991C1000－4602201123－0049－03StudyonArsenicRemovalEfficiencyofDifferentFilterLayersinIronandManganeseRemovalFilterKANGYa1LIUChun-xia1XUJuan1SHAJing1HANPo1ANShui-zhou1XUDeng-ge1WUKun2LIURui-ping21．ZhengzhouWaterSupplyInvestmentHoldingsCo．Ltd．Zhengzhou450007China2．StateKeyLaboratoryofEnvironmentalAquaticChemistryResearchCenterforEco-EnvironmentalSciencesChineseAcademyofSciencesBeijing100085ChinaAbstractArseniccontentinseepagewaterfromYellowRiverthewatersourceforZcitytendstobeincreasedyearbyyear．Experimentsofdosingchemicalandreplacingsurfacemediaintheexistingironandmanganeseremovalfilterinthewaterplantwereperformedtoreinforcethearsenicremovaleffect．Productiontestresultsshowthatthedifferentthicknessofironandmanganeseremovalfilterhasdifferentarsenicremovaleffectsthetotalarsenicremovalratereachesabout60%atthethicknessof80cmandmostofarsenicisremovedbythesurfacemediaof20cmthickness．Keywordsironandmanganeseremovalfilterfilterlayerthicknessarsenicreactionkinetics2009ZX07424－002－004ZD80～120m。/1。。·94·2723201112CHINAWATER＆WASTEWATERVol．27No．23Dec．201111.1ZD、、1。1ZDFig．1FlowchartofWaterPlantD5#。5#220、40、60、80、100cm。。2。6#5#。2Fig．2Stratifiedsamplingequipmentinproductionexperimentalfilter1.248．6m2。1200mm0．6～1．0mm600mm。1．1m10．7m/h520m3/h。48h、14．7L/s·m2。“”6～11NTU、10～16℃、pH7．32～8．33、0．75～1．52mg/L、238～280mg/L。。3．2～22．6μg/L15μg/L。1.3AsⅢAFS－8220AsⅤAsAsⅢ。22.168h。5#、6#3。3Fig．3Totalarsenicindifferentfilterlayers35#20cm20cm6μg/L。6#10μg/L。。5#60%6#·05·2723．watergasheat．com20%。5#＜20cm20cm45%100cm64%。5#20cm。6#20cm13%80cm15%100cm20%。。。2.25#60cmAsⅢ60cmAsⅢ71%60～100cmAsⅢ100cmAsⅢ80%。6#AsⅢ60cm14%100cm18%。5#20cmAsⅢ60cm6#5#20cmAsⅢ。20cm70%AsⅢAsⅤ。2.3AsⅤAsⅢ、、、。AsⅢ。0～60cmAsⅢ60～100cmAsⅢ。0～60cmAsⅢAsⅢ。AsⅢy=－0．005x+2．1147R2=0．98466#y=－0．025x+2．2625R2=0．92015#。AsⅢxAsⅢ。AsⅢ。60cmAsⅢAsⅢy=2．0239e－0．0017xR2=0．94656#y=1．9184e－0．0142xR2=0．92225#。AsⅢ。3①。。②20cmAsⅢ60cm。AsⅢ。③AsⅢAsⅢAsⅢ。[e-mail]2011－06－10·15·．watergasheat．com2723