电絮凝-Arsenic Removal from Underground Water by Elec

电絮凝-Arsenic Removal from Underground Water by Electrocoagulation with Zinc, Brass and Iron209thECSMeeting,Abstract#884,copyrightECSArsenicRemovalfromUndergroundWaterbyElectrocoagulationwithZinc,BrassandIronC.Montero-Ocampo*andA.MaldonadoCINVESTAV-IPN,U.Saltillo,Aptdo.Postal663,25900Saltillo,Coah.,MéxicoArseniccontaminationofgroundwateroccursbybothnaturalprocessessuchasweatheringofarseniccontainingmineralsanduncontrolledindustrialdischargefromminingandmetallurgicalindustries,pesticides,andfertilizerproduction.Arsenate(As(V))isoneoftheprimaryformsofarsenicinsoilsandnaturalwaters(1).Duetothehightoxiceffectsofarseniconhumanhealth(itsingestionmaydeleteriouslyaffectthegastrointestinaltract,cardiac,vascularsystemandcentralnervoussystem(2)),itsmaximumlevelindrinkingwateris10µg/L.Therefore,arsenicremovalfromcontaminatedundergroundwaterfordrinkingpurposeswithlevels~130µg/Lisnecessarytoreduceitsconcentrationtothementionedmaximumadmissible.Commonmethodstoremovearsenicfromwaterareadsorptiontechniqu