Table of ContentsFire AssayingAssay Flux ReagentsSelection of Flux ComponentsSample PreparationEquipment and MaterialsWeighing the ComponentsSelection of Sample WeightThe Crucible FusionTheory of the Crucible FusionFusionFusion of Chromite
Table of ContentsOpen Circuit GrindingClosed Circuit GrindingSingle Stage GrindingTwo Stage GrindingFirst Stage of Ball MillingSecond Stage of Ball MillingLarge VS Small Grinding BallsRelation between Speed of Mill & Size of Balls
Table of ContentsPresentation of the DataCapital CostsSolvent ExtractionElectrowinningTotal SX-EW Capital CostsOperating CostsLabor RequirementsReagent ConsumptionKerosene UsageMajor Tankhouse Costs (Table 6)Summary of CostsCase StudyConclusion Solution mining followed
During the last ten years great strides have been made, on the Mesabi range, in the practice of beneficiating low grade iron ore material. By
The early mining of iron ore in Minnesota was carried on with the most primitive kind of tools. The pioneers used only such equipment as
Table of ContentsComposition of Ship-plate SteelChemical Analysis (Ladle Analysis)Physical PropertiesFusion Welding(a) Carbon-Arc Welding(b) Metal-Arc-WeldingSpot WeldingBare and Covered Welding WireSalvaging Wielding WirePreferable Kind of Covering for Welding
Table of ContentsOutline of MethodApparatusStandardization of ApparatusChecking Routine AnalysisAnalysis of Large SamplesSynthetic SamplesVariations in ConditionsAdvantages and LimitationsAppendicesList of MaterialsMethod of Chemical Analysis for Lead in
Table of ContentsElectric FurnacesFuel-fired FurnacesTemperature Measurements and Observation of Melting The following may be said to be essential characteristics of a furnace for determining the
Table of ContentsMeaning of Melting PointFactors & Conditions Affecting Observed Melting PointChemical CompositionSize of Particles and Shape and Position of BodyTime and Rate of HeatingNature of
Developments in engineering during the past decade, particularly as applied to marine construction, mining machinery and other purposes in which corrosion offers a serious problem,