Table of ContentsMaterial Equipment and Operating ProcedureResults and DiscussionEffect of Process Variables on Mercury ExtractionCyanide ConcentrationLeaching TimeSolution pHTemperatureParticle SizeMercury Removal by Sulfide PrecipitationMercury Precipitation from
Table of ContentsLaboratory-Scale ResearchEvaporation ExperimentsDescription of Process and Waste BrinesLaboratory Evaporation ProcedureEvaporation Results and DiscussionBeneficiation of Crude EvaporitesGrinding StudiesFlotation of Chloride EvaporitesFlotation of Sulfate-Chloride EvaporitesHigh-Sulfate
Table of ContentsDescription of an Oxygen Self RescuerNiosh-ApprovedCSE AU-9AlDraeger OXY-SR 60BMSA 60-Min SCSROcenco EBA 6.5PASS 700U.S.D. SCEBA-60ForeignAuer SSR-90AZG-40Draeger OXY-SR 30Draeger OXY-SR 45Fenzy Spiral IIWC-7Bureau Of Mines-Developed
Table of ContentsRadiometric TechniquesX-Ray Tube TechniquesNeutron ActivationA Comparison Between Radiometric and X-Ray Tube Techniques An on-stream analyser cannot be considered in isolation from the mineral
In this case, the primary grinding stage in a concentrator comprises a rod mill in open circuit and a semi-autogeneous mill in closed, circuit with
Table of ContentsNitrogen Flotation SystemDepressant ConsumptionMetallurgical ResultsRole of Nitrogen in the Flotation of MolybdeniteFlowsheetCircuit ChemistryNitrogen Testing Mill feed averages 0.7% Cu, primarily as chalcopyrite, and
Table of ContentsSample DescriptionContinuous Flotation Unit Design and OperationDesign For Insoluble-Slimes FlotationDesign For Direct FlotationOperationSampling and Data AnalysisExperimental ResultsMaterial Balance and Economic EvaluationSummary and ConclusionsAppendix—Economic EvaluationCapital
Table of ContentsHistorical PerspectiveScope of ReportElectrolyte PreparationDrying and Fusing of SaltsPlatinum-Group Metal AdditionRole of OxygenElectrodepositionSubstrate Surface PreparationMolybdenum-Base AlloysIron-Base AlloysElectroplatingPlatinumRhodiumPlatinum-Rhodium AlloysPalladiumIridium and RutheniumSubstrate EffectsIncomplete PreparationMicrostructureSummary The
Commercial leaching of sulphide ores by microorganisms is used in numerous oxidation situations as a scavenger process for treating low grade ores and very dilute
Table of ContentsExperimentalFiltrationDiscussion of ResultsFiltrationPregnant Solution Clarification Before precipitation of gold can be commenced the relatively high suspended solids content (on average 350 mg/L) of