不同有机物料对风化煤矸石污染释放及介质养分的影响罗有发

38EnvironmentalScience&Technology38720157Vol.38No.7Jul.2015《》[e-mail]*[e-mail]。112*121111.2.5500251%、、、57d、、、、。pH=2.4Eh=403mV、EC=3653μS/cm、、Fe=483mg/LMn=4.58mg/LSO42-=3005mg/LCu=1.33mg/LZn=0.75mg/L。pH、Eh、、、。、、pH、Eh、、、、p0.05、p0.01、Mn、Cu、Pb、Zn、F-Zn。X705Adoi10.3969/j.issn.1003-6504.2015.07.0161003-6504(2015)07-0082-06EffectsofOrganicMaterialsontheReleaseofContaminantandNutrientfromtheWeatheringCoalGangueLUOYoufa1WUYonggui12*FUTianling12WUDongmo1LIUGuihua1JIANGZhiyun11.CollegeofResourceandEnvironmentalEngineering2.InstituteofAppliedEcologyGuizhouUniversityGuiyang550025ChinaAbstractInordertoevaluatetheeffectsofdifferentorganicmaterialsonthereleaseofpollutantsandnutrientsinweatheredcoalgangue1%massratioofhumicacidcowdungbiogasresiduesludgewereaddedinweatheredsulfur-richgangue.After7daysthecharacteristicsofpollutioncomponentsincludingacidityironmanganesesulfateradicalandphosphorusnitrogenweredetermined.ResultsshowedthattheleachateofweatheringganguehadastrongaciditypH=2.4highelectricalconductivityEC=3653μS/cmandredoxpotentialEh=403mV.IronmanganesesulfatewithtotalFe483mg/LMn4.58mg/LSO42-3005mg/LandheavymetalionsconcentrationsuchasCu1.33mg/LZn0.75mg/Lwerehigher.AsmallamountofhumicacidcouldsignificantlyreducepHoftheleachatebutincreaseitssalinitywhiletheeffectsonEhironmanganesesulfateandharmfulmetalionswerenotobviousthecontentofphosphorusincreasedeffectively.FewadditionsofcowdungbiogasresidueandsludgecouldeffectivelyimprovepHreducesalinityEhtotalironandsulfateespeciallycowdungandsludge.Meanwhilecowdungbiogasresidueandsludgecouldimprovethecontentofnitrogenandphosphorusinweatheredcoalganguesignificantlyp0.05theavailablenitrogenandavailablephosphoruswereimprovedsignificantlyp0.01butitcouldpromotedissolutionofavarietyofharmfulionssuchasMnCuPbZnandFsignificantlyincreaseZn.Sotheseorganicmaterialsshouldbepaidattentionsinapplication.Keywordsorganicmaterialsweatheredganguepollutionreleasemineralnutrients7AMDpH、、、、、、[1-2]。[3-4][5]AMD[3][6-8]、、、[9-12]。。、、pH、Eh、EC、Fe、Mn、SO42-、。11.1。5mm。。41。-。pHEC/μS·cm-1/%/%P2O5/%/mg·kg-1/mg·kg-1Fe/mg·kg-1Mn/mg·kg-1Cu/mg·kg-1Pb/mg·kg-1Zn/mg·kg-1/mg·kg-17.27168439.13.121.51386113.523858.8506.19160.7910.12264.07621.117.8315312.251.521.5400.8330.01304.289486.7768.460.9032.97179.808.22302039.312.321.43378.33241.021215.340.96345.174.9828.86137.404.5231939.380.100.061418.93.423.17--6.12144.481.88371911.90.140.031.425.7736500533011391635.951Table1Thebasicphysicalandchemicalcharacteristicsofthetestmaterial1.2500mL100g1%、、、4。50mL7d。40g1∶1025±1℃110±10r/min8h16h。pH、ECEhpHSH2601DDS11ADZ-2Mn、Cu、Pb、Zn0.45μmice3500《》[13]、、、。1.3DPS2000[14]duncanMicrosoftOfficeExcel2003Oringin8.51IBMSPSSStatistics19Pearson。22.1pH、EC、EhpH2.41、EC=3653μS/cmEh=403mV。、、pH、38pH1a。21b。Eh、、1c。2.2Fe、Fe2+、SO42-、F-、Fe=483mg/L、SO42-=3005mg/L、、10%2a、、、5.3%、7.5%、13.5%、16%2c。、2b42d。2.3Mn、Cu、Pb、Zn3Mn、Cu、Pb、Zn、、、4Mn、Cu、Pb、ZnZnpZn=0.00001pMn=0.1285pCu=0.2836pPb=0.3568。72.443.87%、0.214%、0.068%、8.8mg/kg[15]。。、、p0.05、4a4c、p0.014b4d、。3、、pHECEh[16]pHpH、[17]。[18]、、pHECEh。pH、EC、Eh[19]pH、ECEh100g1g7d。、、pH、[1719]Eh[20]。Mn、Cu、Pb、ZnMn、Cu、Pb、Zn1、、、4Fe、Mn、Cu、ZnFe、Mn、Cu、Znr=0.191p=0.758r=1.000**p=0.000r=0.930*p=0.018r=1.000**p=0.000。、、。pHpH2~3H+。DOMpHDOMH+[21-22]。、。1、、、1[23-24]38。2Fe-P、Al-P[25]。3、、[26-27]。4、、[28]。41pH、Eh、、、。2、、pH、Eh、、、、p0.01、、、Mn、Cu、Pb、Zn、F-Zn。[][1]WhiteCGaddGM.Acomparisonofcarbon/energyandcomplexnitrogensourcesforbacterialsulphate-reductionpotentialapplicationstobioprecipitationoftoxicmetalsassulphides[J].JournalofIndustrialMicrobiology1996172116-123.[2].[J].2012401083-89.DangZhiLuGuiningYangChenetal.Sourcecontrolandremediationofenvironmentalcontaminationinmetalsulfidemineareas[J].JournalofSouthChinaUniversityofTechnologyNaturalScienceEdition2012401083-89.inChinese[3]PeppasAKomnitsasKHalikiaI.Useoforganiccoversforacidminedrainagecontrol[J].MineralsEngineering2000135563-574.[4]LindsayMBBlowesDWCondonPDetal.Organiccarbonamendmentsforpassiveinsitutreatmentofminedrainagefieldexperiments[J].AppliedGeochemistry20112671169-1183.[5]AmosRTMayerKUBlowesDWetal.Reactivetrans－portmodelingofcolumnexperimentsfortheremediationofacidminedrainage[J].EnvironmentalScienceandTech－nology200438113131-3138.[6]PietzRICarlssonCRPetersonJRetal.Applicationofsewagesludgeandotheramendmentstocoalrefusematerial.effectsonrevegetation[J].JournalofEnvironmentalQuality1989182169-73.[7]PichtelJRDickWASuttonP.Comparisonofamend－mentsandmanagementpracticesforlong-termreclamationofabandonedminelands[J].JournalofEnvironmentalQuali－ty1994234766-72.[8]ZabowskiDEverettRLIskanderIKetal.ExtractableMetalsandPlantUptakewithAmeliorationandRevegetationofAbandonedCopperMineTailings[C].TaipeiTaiwan5-10September1993.ScienceReviewsLtd1997111-122.[9]BlenkinsoppSAHermanDCCostertonJW.TheUseofBiofilmBacteriatoExcludeOxygenfromAcidogenicMineTailings[C].Procof2ndInterConfAbatementofAcidicDrainage1991169-377.[10]BrownA.ProposalfortheMitigationofAcidLeachingfromTailingsUsingaCoverofMuskegPeat[C].Procof2ndInterConfAbatementofAcidicDrainage19912