Table of ContentsMaterials and ApparatusExperimental Procedures and ResultsLeachingElectrolysisContinuous Leaching-ElectrolysisEconomic EvaluationSummary and Conclusions Primary mercury metal is produced commercially by heating mercury sulfide concentrate in furnaces
Table of ContentsGeorgia Waste Pond SampleNevada Waste SamplesWaste Pond SampleIllinois Waste Pond Sample A major goal of the Bureau of Mines is resource conservation, which
Table of ContentsEquipmentSingle-Stage LeachingCocurrent LeachingCountercurrent Leaching The United States depends on imports of bauxite and alumina for most of its aluminum requirements. To reduce this
Table of ContentsChemical BondingPhosphate BondPhosphate Bonding AgentsFundamental StudiesProperties of Phosphate-Bonded MaterialsSilicate BondAlkali SilicatesEthyl SilicateOxychloride, Oxysulfate, and Oxynitrate Bonds Improved ceramic materials are in constant demand
Table of ContentsMaterials and EquipmentExperimental ProcedureResults and DiscussionBaseline ExperimentNaCl-Aided Experiment As part of the mission of the U.S. Department of the Interior’s Bureau of Mines
Table of ContentsExperimental Procedure and EquipmentInduction SmeltingGrindingLeachingRoastingSample AnalysisResults and DiscussionMatte SmeltingSynthetic Matte SmeltingStillwater Matte SmeltingMatte Species IdentificationPreliminary Matte-Leaching ExperimentsFirst-Stage LeachingAcid-to-Matte RatioParticle SizeTemperature and Duration of
Table of ContentsExperimental ProcedureExperimental ResultsEffect of Iron Compound TypeEffect of Iron-to-Molybdenum RatioEffect of Ferric Sulfate ConcentrationEffect of pHEffect of Agitation IntensityEffect of TemperatureEffect of Precipitator
Table of ContentsProperties of Mine Drainage SludgePhysical PropertiesChemical PropertiesMethods of TreatmentRates of Sludge ProductionCurrent Disposal PracticesSludge Settling and RemovalSludge TransportationSludge DisposalSludge Settling and RemovalSludge TransportationSludge
Table of ContentsAcknowledgmentDescription of The SampleFlotation Equipment and ProcedurePreliminary Flotation TestsOptimization of Rougher Flotation ParametersCleaning of Rougher ConcentratesScavenging of Cleaner TailingIntegration of Rougher, Cleaner and
Table of ContentsSorting StrategyPreliminary SortingObject RecognitionColorWeightMagnet TestingSpark TestingChemical Spot TestsCombining Simple Sorting MethodsOptical Emission DevicesX-Ray Emission DevicesThermoelectric InstrumentsEddy Current TestingQuantitative Chemical AnalysisOther Potential MethodsColorimetryUltrasonic InspectionAcoustic
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