Table of ContentsHeavy Liquid SeparationDescription of MaterialsOreHeavy LiquidApparatusProceduresExperimentalAnalyticalData EvaluationA Study of the Influence of Particle Size, Feed Density, and Feed PressureEffect of Particle SizeEffect of
Table of ContentsThe Fluorspar Beneficiation ProblemA Fluorspar Flotation Process FlowsheetCrushing Fluorspar OreGrinding CircuitPulp ConditioningFluorspar FlotationThickening and FilteringDrying and StorageProduction of Acid Grade FluorsparThe Acid Grade Fluorspar ProblemThe Acid
Table of ContentsPresent Practice for Removing Small Amounts of Iron from ZincMaterials TestedSegregation and Filtration StudiesSegregation TestsDescription of Small-Scale FilterExperimental Filtration ProcedureResults of Small-Scale Filtration
Table of ContentsBrine Leaching DevelopmentsMaterials TestedPreliminary Experiments and ResultsCyclic Leach of Matte AWater Leach SeriesBrine Leach SeriesCyclic Leach of Matte BWater Leach SeriesBrine Leach SeriesFinal
Table of ContentsDescription of Equipment and ProcedureElectrolytic CellMaterialsOperating ProcedureExperimental InvestigationHeavy ScrapRefiningQuality of ProductLight ScrapRefiningQuality of ProductGranular ScrapRefiningQuality of ProductDiscussion A molten-salt electrorefining process was developed
Table of ContentsExperimental Test SystemTest ProceduresTest ResultsInfluence of Initial Moisture Content of LigniteIn-The-Mill DryingLignite SourceComparison of Results to Pulverization in a Test Hammermill As in
Table of ContentsSpadns-Zirconium MethodAshing with a Fixative AgentSodium CarbonateCalcium OxideDistillation with Phosphoric and Sulfuric AcidsFluorine and Phosphorus in Float and Sink FractionsFluorine Determinations of Coals
Table of ContentsTheoretical Pattern of Heat Transfer from Ingot to Cooling WaterExperimental Procedure and ResultsNonconsumable Electrode Arc Melting StudiesConsumable Electrode Arc Melting StudiesExperiments with the
Table of ContentsHistory and Commercial Examples of In-Situ Copper Leaching MethodsCopper DepositsChemistry of Leaching CopperThe Effect of Bacteria on the Solubility of Copper Minerals and
Table of ContentsPurpose of WorkMine Location, Geology, and ProductionExperimental DataHole DrillingCore Sampling and AssayingStatistical AnalysisFrequency DistributionsSources of VariabilityEstimation of Metal GradeAppraisal of Assaying The extreme
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