bins common material flow problems
Blog

How to Keep Bins Flowing – Safety & Material Handling

Table of ContentsBin Flow TheoriesCommon Material Flow Problems and SolutionsClassifications of Bulk MaterialsClassifying Your Own MaterialAngle of ReposeCompressibilityAngle of SpatulaUniformity CoefficientCalculating FlowabilityBin Flow AidsAir/Gravity ConveyingVibrationSonic

Read More »
gravity-concentrator spiral circuit
Gravity Concentration

Gravity Concentrators

Table of ContentsPrinciples and Methods of Gravity SeparationDesign of Gravity Separation PlantsSpiral ConcentratorsExamples of Spiral Applications For some decades now, the use of gravity separation

Read More »
gold and silver leaching charcoal adsorption recovery
Hydrometallurgy

Gold & Silver Leaching Methods

Table of ContentsAcknowledgmentsMineralogyLeaching TechnologyHeap Leaching Ore PreparationDump Leaching Ore PreparationIn Situ Leaching Ore PreparationLeaching ProcessLeach SolutionsSolution DistributionRecoveryComparison of TechniquesZinc PrecipitationCharcoal AdsorptionLeaching OperationsArizonaCaliforniaColoradoIdahoMontanaNevadaNew MexicoSouth DakotaPermitting RegulationsFederal RegulationsState

Read More »
ferric sulfate leaching contact angles
Leaching

Ferric Sulfate Leaching

Table of ContentsElectrical Conductivity of Carbon/Sulfur CompositesWetting Characteristics of Elemental Sulfur Acid ferric sulfate solution has been used for heap and dump leaching of low-grade

Read More »
extracting-aluminum-from-clay test array
Hydrometallurgy

Aluminum Extraction Method with Chloride

Table of ContentsMaterials Equipment and ProceduresResults and DiscussionEffects of Calcination Time and TemperatureSingle-Stage Leaching and CrystallizationCountercurrent Leaching and CrystallizationPurification and Solubility StudiesThermal Decomposition of ACHHDiscussion

Read More »
electrostatic-separation screen plate
Magnetic

Electrostatic Separation

Table of ContentsElectrophoresisElectrophoretic ApplicationsDielectrophoretic Applications Electrostatic separation is one of the most misunderstood physical processes used to beneficiate minerals. Nonetheless, millions of tons of titanium

Read More »
electrolytic stripping shredded msw magnetics
Electrometallurgy

Tin Electrolytic Stripping

Table of ContentsCell Design and Experimental ProcedureElectrolyte ExperimentsDetermining Electrolyte CompositionEffects of Impurities in the ElectrolyteDetinning Test ProgramResults of Detinning Postconsumer ScrapDetinning Municipal Solid Waste Magnetics Summary

Read More »
recovery-of-lead pan filters
Electrometallurgy

How to Recover Lead from Scrap Batteries

Table of ContentsAcknowledgmentsMaterials Equipment and ProceduresBattery ScrapElectrodesSludge Leaching UnitSludge LeachingElectrolyteElectrorefining UnitElectrowinning UnitResults and DiscussionMetal RecoveryAnode and Slime BlanketCathodesSludge RecoveryLeachingElectrowinningLead MonitoringEconomic EvaluationConclusions The Bureau of Mines has

Read More »