不同锰砂滤料对地下水除锰的去除能力分析

20145303JournalofShenyangJianzhuUniversityNaturalScienceMay2014Vol．30No．32013－12－20410721902013101530051962—．2095－1922201403－0542－05doi10．11717/j．issn2095－1922．2014．03．24110168掌握不同锰砂滤料对地下水中锰离子的去除速率和去除机理，为选择理想的锰砂滤料提供科学依据．选择水厂滤池成熟滤料和4种不同品质的锰砂分别装在5组滤柱中对同一原水进行处理，测定滤柱出水锰离子质量浓度，分析其成熟期、并与反应速率方程进行拟合，综合分析锰砂的去除能力．B柱马山高品质天然锰砂成熟期为28d、C柱马山低品质天然锰砂和E柱葫芦岛杨家杖天然锰砂滤料成熟期为66d、D柱河南巩义天然锰砂成熟期为86d．在锰砂滤料形成活性滤膜后，不同锰砂都表现出了一级反应速率方程的特征，B柱马山高品质锰砂的成熟期最短，去除速率高，是除锰理想的锰砂滤料．锰砂品质对生成活性滤膜和成熟期影响很大，锰砂生成活性滤膜后的质量浓度随时间变化曲线符合一级反应速率方程．X523ATheＲemovalAbilityAnalysisofDifferentManganeseSandFilterMaterialsinGroundwaterPANJunLIBoyaoMAYueZHANGZihaoSchoolofMunicipalandEnvironmentalEngineeringShenyangJianzhuUniversityShenyangChina110168AbstractThepaperistopresentremovalrateandremovalmechanismofdifferentmanganesesandfiltertothemanganeseionsingroundwaterinordertoprovideascientificbasisforchoosingtheidealmanganesesandfiltermaterial．Maturewaterfilterfiltermaterialandfourdifferentmanganesesandrespectivelyinfivegroupsinthefiltercolumntodealwiththesamerawwaterwereprepared．Measuringfiltercolumneffluentconcentrationofmanganeseindifferenttimeandanalyzingitsmatureperiodthereactionrateequationfit-tingwasattainedandcouldcomprehensivelyanalyzethemanganesesandremovalability．TheresultsshowthatBcolumnMashannaturalmanganesesandMnO2content32.76%matureperiodis28daysCcol-umnMashannaturalmanganesesandMnO2contentis26.4%andtheEcolumnHuludaoYangjiazhangnaturalmanganesesandfiltermaterialmatureperiodis66daysDcolumnHenanGongyinaturalmanganesesandmatureperiodis86days．IntheformationofmanganesesandfilteractivefiltermembranedifferentmanganesesandshowedthecharacteristicsofthefirstorderreactionrateequationBcolumnthematurityofthehighqualityofMashanmanganesesandistheshortesthighremovalrateandisoneoftheidealofman-ganesesandfiltermaterials．Theconclusionsshowthatmanganesesandqualityhasagreatinfluenceongen-erateactivefiltermembraneandmaturitymanganesesandgeneratespseudo-first-orderreactionrateequationofactiveafterthemembranefilter．Keywordsmediagroundwatermaturityactivemembrane35431－4．5－6．、7－15Fe2+FeOH3、、、．、16．5．11.111.45mg/L．4A、B、C、D、EABMnO232.76%CMnO226.4%DMnO227.5%EMnO227.86%．1．280mm2m．2～4mm6～8mm8～16mm200mm．11．1Table1Manganesesandfiltermaterialspecificationsandthickness/mm/g·cm－3/mmA0．8～1．03．61000B0．8～1．03．61000C0．6～0．83．6800D0．6～0．83．351000E0．8～1．03．510001.2．A85B．3.97mg/LpH6.93．．22.11．0.1mg/L．1Fig.1Manganeseionconcentrationchangecurveafterwaterfilter1A544300.3～0.95mg/L25《》GB5749－20060.1mg/L0.1mg/L．A7110.1mg/L．B0.8～0.95mg/L14《》GB5749－20060.1mg/L0.1mg/L．BMnO232.76%8d14d．C0.72～1.1mg/L50d26660.1mg/L66d．CBMnO226.4%BB．MnO27MnO2．D6880dD0.72～1.45mg/L80～860.1～0.6mg/L86《》GB5749－20060.1mg/L．D86dMnO227.76%4．27dE1～1.44mg/L27．27～551.12mg/L0.5mg/L660.1mg/L．66dC．B．2.22.2.13．v=－dρdt=kρn．1vknρt．1n=0ρ0－ρt=k1·t．2ρ0ρt．1n=1lnρ0ρ()t=k1·t．31n=21ρt－1ρ0=k1·t．4123Ｒ22．2Ｒ2．、、13．Ｒ234．35452Ｒ2Table2DifferentmanganesesandfilteroffilterwaterconcentrationreactionrateequationafterfittingＲ2valueＲ2A0．4330．5230．657B0．7030．7090．684C0．3910．6910．595D0．5710．5070．518E0．7110．6120．5603Ｒ2Table3Beforeformingactivefiltermembraneofdif-ferentmanganesesandfiltermaterialfittingＲ2valuethereactionrateequationＲ2A0．4930．4560．499B0．7020．5200．530C0．5050．4780．330D0．5250．5340．536E0．6360．6530．6334Ｒ2Table4Afterformingactivefiltermembraneofdiffer-entmanganesesandfiltermaterialfittingＲ2valuethereactionrateequationＲ2A0．6760．9450．566B0．6710．9750．551C0．4900．9630．927D0．7730．9260．560E0．9530．9680．907．7．5．2.2.2k55k5．5Table5ThereactionrateconstantofdifferentmanganesesandfilterABCDEk/d－10．2250．5410．3020．2120．2585B0.541d－118150.92mg/L0.08mg/LC0.302d－1MnO214．D680.212d－1E270.258d－1A0.225d－1411．314B28dCE66dD86d．B．546302t5．35．1．J．20113767－13．LiDongZengHuipingZhangJie．DrinkingwaterscienceandtechnologyprogressinadditiontoironandmanganeseJ．WaterSupplyandDrainage20113767－13．2PaciniVAIngallinellaAMSanquinettiGＲemov-alofironandmanganeseusingbiologicalroughingupflowfiltrationtechnologyJ．WaterＲesearch20053924463－4475．3EgebladKKuatovaMKegnasSKetal．Meso-porouszeoliteandzeoliteandsinglecrystalssynthe-sizedinfluoridemediaJ．MicroporousandMeso-porousMaterials20071011/2214－2234．J．200531322－24．ChenZhengqingBieDonglaiZhongJun．Ｒe-searchoneffectofdifferentfiltermaterialinadditiontoironandmanganeseJ．EnvironmentalProtectionScience200531322－24．5KaramjitSinghJPMehlaD．Long-termeffectofvaryingnutrientmanagemengtpracticesonthedistri-butionofnativeironandmangansesinvariouschem-icalpoolsunderrice-whestcroppingJ．ArchivesofAgronomyandSoilScience200753253－261．6．D2005．YuanDeyu．SurfacewaterproductiveapplicationofmanganeseremovaltechnologyresearchDWu-hanWuhanUniversity2005．7．D2011．ChenXinfeng．Contactoxidationmethodandad-sorptionmethodforwaterfemnremovalandexperi-mentalresearchDZhejiangZhejiangUniversity2011．8DoulaMK．ＲemovalofMn2+ionsfromdrinkingwaterbyusingclinoptiloliteandaclinoptilolite-FeoxidesystemJ．WaterＲesearch200640173167－3176．9SharmaYCUmaSinghSNetal．FlyAshfortheremovalofMnⅡfromaqueoussolutionsandwastewatersJ．ChemicalEngineeringJournal20071321/3319－323．10SafaeiMＲeshidzadehMSarraf-MamooryＲetal．Synthe