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Journal of Kunming Metallurgy College ›› 2024, Vol. 40 ›› Issue (6): 23-.

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FlotationDesulfurizationExperimentofHighSulfur#br# BauxiteOrefrom Wenshan,Yunnan#br#

  

  1. (1aFacultyofMetallurgyandMining,1bFacultyofArchitectureandEngineering,1cFinanceOffice,KunmingMetallurgy
    College,Kunming650033,China;2YunnanWenshanAluminumIndustryCo.,Ltd.,Wenshan663000,Yunnan,China)
  • Online:2024-07-04 Published:2025-07-07

Abstract: Abstract:Highsulfurbauxitewillseriouslyaffectthenormaloperationofaluminaproductionbecauseof
itshighsulfurcontent.Thepresentstudyinvestigatestheflotationdesulfurizationofhighsulfurbauxite
ore,sourcedfromWenshan,Yunnan,withaninitialsulfurcontentof167%.Theexperimentalproto
colinvolvedtheoptimizationofgrindingfineness,selectionofappropriatecollectors,modifiers,andac
tivators,followedbytheapplicationofaflotationprocessthatintegratesonestageofroughing,twosta
gesofcleaning,andonestageofscavenging.Thissystematicapproachyieldedaconcentratewitha
yieldof9443%,comprising6833% Al2O3and965% SiO2,achievingadesulfurizationratio(A/S)
of708andreducingthesulfurcontentto026%,whicheffectivelyreducesthesulfurcontentinbaux
ite,andtheconcentrateproductmeetstherequirementthatthesulfurcontentintheconcentrateisless
than03% inthebauxiteorequalitystandard(GB/T24483—2009).

Key words: Keywords:highsulfurbauxite, flotation, desulfurization, qualityimprovement

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