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“离子液体--醇类”萃取卤水中硼酸的工艺研究.docx

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“离子液体--醇类”萃取卤水中硼酸的工艺研究 Title:AStudyontheExtractionofBoricAcidfromBrineUsingIonicLiquidsandAlcohols Abstract: Boricacidplaysasignificantroleinvariousindustrialprocesses,suchasalloymanufacturing,glassproduction,andwatertreatment.Theextractionofboricacidfrombrineisanimportantresearcharea,asitallowsfortherecoveryofthisvaluableresource.Thisstudyaimstoinvestigatetheprocessofextractingboricacidfrombrineusingionicliquidsandalcoholsastheextractionagents.Theexperimentalworkinvolvedoptimizingtheextractionparameters,suchassolventcomposition,temperature,andextractiontime.Theresultsshowedthattheselectedionicliquidsandalcoholseffectivelyextractedboricacidfrombrine,withahighextractionefficiency.Thisresearchprovidesvaluableinsightsintothepotentialuseofionicliquidsandalcoholsforefficientboricacidextractionfrombrine,contributingtothesustainableutilizationofthisimportantresource. 1.Introduction: Boricacid(H3BO3)isavaluablecompoundwidelyusedinvariousindustrialprocesses.Itisakeycomponentintheproductionofheat-resistantglass,boronalloysusedinnuclearreactors,andfertilizers.Thenaturaloccurrenceofboricacidismainlyintheformofboratesdissolvedinbrinedeposits.Therefore,theextractionofboricacidfrombrinehasgainedsignificantattentionasameansofrecoveringthisvaluableresource. Conventionalmethodsofboricacidextractionfrombrineinvolveprecipitation,solventextraction,andionexchange.However,thesemethodsoftensufferfromlowextractionefficiency,highchemicalconsumption,andenvironmentaldrawbacks.Inrecentyears,theuseofionicliquidsinextractionprocesseshasemergedasapromisingalternativeduetotheiruniqueproperties,suchaslowvolatility,goodsolventcapacity,andhighthermalstability.Additionally,alcoholshaveshowngreatpotentialasco-solventsinliquid-liquidextractionprocessesduetotheirabilitytomodifythesolubilityoftargetcompounds. Thisstudyaimstoexplorethepotentialofutilizingionicliquidsandalcoholsasextractionagentsforboricacidfrombrine.Byoptimizingtheextractionparameters,weaimtoachieveanefficientandenvironmentallyfriendlyextra