Mineral Processing Engineering - Page 33 of 490

Electrometallurgy

Electrowon Copper Manufacturing

Table of ContentsAcknowledgmentsExperimental ProcedureRound-Robin Chemical AnalysisMaterial Source and DescriptionAnalytical ProceduresLead-Doped CopperMaterial PreparationMelting and CastingHot RollingMaterial CharacterizationChemical AnalysisMetallographyImpact TestingResultsRound-Robin Chemical AnalysisLead-Doped CopperMechanical PropertiesMetallographyAs-Cast, Columnar, Coarse-GrainedMechanical PropertiesMetallographyHot-RolledMechanical

January 3, 2021 No Comments

Blog

Plastic Flow Under Biaxial Tension

Table of ContentsInstability in Simple TensionInstability under Direct Tensile Loading in a PlaneInstability in Thin Walled Tubes Subjected to Combined Axial Loading and Internal PressureInstability

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reduction of zinc sulfide apparatus for semicontinuous tests

Electrometallurgy

How to Reduce Zinc Sulfide with Iron

Table of ContentsTheoretical ConsiderationsMaterialsBatch Reduction TestsSemicontinuous TestsConclusions In the quest for technological improvements in the extractive metallurgy of zinc, some efforts have been made to

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Hydrometallurgy

How to Recover Lead from Lead Chloride by Electrolysis

Table of ContentsInvestigation of VariablesExperimental ProceduresElectrolyte Composition and TemperaturePbCl2 ConcentrationCurrent Density and Electrode SpacingMetal PurityCell DesignEffect of Impurity BuildupConclusions The earliest known specimen of lead,

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Electrometallurgy

Lead Chloride Electrolysis

Table of ContentsInvestigation of VariablesExperimental ProcedureElectrolyte CompositionTemperatureCurrent DensityElectrode SpacingMetal PurityConclusions During electrolysis, metal was produced from solid lead chloride in contact with the cathode rather

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copper cementation reproduction of photomicrograph

Hydrometallurgy

Copper Cementation Kinetics – Revolving Drum Reactor

Table of ContentsTheoryExperimental Procedure and ApparatusResults and DiscussionExperimental PrecisionPretreatment of the Iron SurfaceThe Fluidized Cathode EffectThe Effect of Initial Copper ConcentrationAnalysis of a Typical ExperimentIonic

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Hydrometallurgy

Ferric Chloride Brine Leaching of Galena Lead Concentrate

Table of ContentsEffect of Operating VariablesParticle SizeFeCl3/PbS Weight RatioTemperatureAcidityProposed Process for Recovery of Metal Values from Galena ConcentrateFeCl3/NaCl LeachRecovery of ByproductsConclusions Domestically produced primary lead

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conveyor design motor and hydraulic pump

Equipment

Conveyor Design for Mining Machines

Table of ContentsSummaryConveyor DesignMain Frame (Joy Loader)Swing ConveyorHydraulic Drive SystemTest Program and ResultsSurface TestingUnderground TestingConveyor PerformanceNoise MeasurementsConclusions and RecommendationsGeneral Arrangement Drawings and Cost EstimateAppendix AAlternate

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Recycling

How to Recover Lead from Battery Scrap

Table of ContentsBattery CompositionFirst Phase using Pure ChemicalsHydrometallurgical Conversion of PbSO4 to PbOReduction of Lead Reaction ProductsSecond Phase Using Battery MaterialReaction of Ca(OH)2 with Battery

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recovery-gold flowsheet-scap-electronic-solders

Precious Metals

Recovering Gold from Scrap Electronic Solders by Drossing

Table of ContentsMaterials Equipment and Procedure for DrossingResults and DiscussionSeparation of Aluminum Dross from Treated SoldersRecovery of Gold from Aluminum DrossPurification of Treated Solders For

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