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内配碳固态还原钒钛磁铁矿试验研究.docx

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内配碳固态还原钒钛磁铁矿试验研究 Title:ExperimentalStudyonInnerorbitalCarbonSolid-StateReductionofVanadium-TitaniumMagnetite Abstract: Vanadium-titaniummagnetite(VTM)isavaluableresourceduetoitsrichiron,vanadium,andtitaniumcontent.TheutilizationofVTMhasattractedconsiderableattentioninrecentyears.Inthisstudy,weinvestigatethefeasibilityandeffectivenessofinnerorbitalcarbonsolid-statereductionintheproductionofVTM.Aseriesofexperimentswereconductedtoanalyzetheinfluenceofvariousparameters,includingcarbondosage,reductiontemperature,reactiontime,andparticlesize,onthereductionefficiencyandproductquality.Theresultsindicatethattheinnerorbitalcarbonsolid-statereductionofVTMisapromisingmethodforVTMproduction. 1.Introduction Vanadium-titaniummagnetiteisacomplexorethatprimarilyconsistsofiron,titanium,andvanadiumoxides.Itiswidelydistributedinvariousregionsandhassignificanteconomicandstrategicvalueduetoitspotentialforiron,titanium,andvanadiumextraction.Traditionalextractionmethods,suchasblastfurnacesmeltinganddirectreduction,havelimitationsintermsofresourceutilizationandenvironmentalimpact.Inrecentyears,solid-statereductionmethodshavegainedincreasingattention.Amongthesemethods,innerorbitalcarbonsolid-statereductionshowspotentialforefficientandcleanVTMproduction. 2.ExperimentalProcedure 2.1MaterialPreparation: AsampleofVTMwasobtainedfromalocalmineandcharacterizedusingX-raydiffraction(XRD)andscanningelectronmicroscopy(SEM).Thesamplewasgroundtoaspecificparticlesizeandsievedforsubsequentexperiments. 2.2InnerorbitalCarbonSolid-StateReduction: Thereductionexperimentswerecarriedoutinatubefurnaceunderanargonatmosphere.TheVTMsampleandcarbonreductantweremixedthoroughlybasedondifferentdosages.Themixturewasthenheatedtopre-determinedtemperaturesandkeptatthedesiredtemperatureforaspecificreactiontime.Afterthereaction,thesamplewascooleddownandanalyzed. 3.Results 3.1EffectofCarbonDosage: Theinfluenceofcarbondosageonthereductionefficiencywasinvestigated.Theresultsshowthatthereductionefficiencyinitiallyincreaseswithani