Table of ContentsReagents and Flue DustProcedure and Development of Operating ParametersNH3 and CO2 ConcentrationLeach Temperature and TimePulp DensityZinc Required for CementationCementation TemperaturePrecipitation ConditionsRoast Time and
Table of ContentsCharacteristics of Selected DepositsExperimental MethodsBatch-Leaching TestsColumn-Leaching TestsEffect of Solution Application Rate on Mn ExtractionLeaching of Mn MineralsLeaching of Mn OresCosolubilization of Ca and
Table of ContentsMaterials and EquipmentTest ProcedureResults and Discussion We studied the problem of corundum formation on refractory linings in aluminum recycling furnaces. A laboratory test
Table of ContentsExperimental Materials and Sample PreparationElectrodewatering Test ApparatusMethodsPreliminary Electrodewatering TestsElectrodewatering of Red Mud and Black Mudsfrom Simulated Bayer Digestion of Bauxite Research was conducted
Table of ContentsMaterialsProcedureIngot MeltingIngot ProcessingPreparation of Test SpecimensTest Procedure and ResultsFluoride InclusionsMechanical and Fatigue TestingFluoride InclusionsTensile TestsCharpy V-Notch TestsFatigue Tests The effect of fluoride inclusions
Table of ContentsCorrosion Rate Determinations by Laboratory TestsElectrochemistry of CorrosionLaboratory Test MethodsSynthesis of Ore SlurrySimulation of Abrasive ConditionsDetermination of Potential-Current DataLaboratory Test ResultsCorrosion Rate Measurements
Table of ContentsMine Survey ProcedureTest ResultsLaboratory Test ProcedureTest ResultsFull-Scale Field Testing ProcedureTest Results The Bureau of Mines surveyed waste disposal sites at 18 metal and non-metal mines and
Table of ContentsReagents and SolutionsTests and ProceduresShakeout TestsLoading Curve TestsPrecisionMathematical Basis for ModelChemical ReactionsEquilibrium Constants and ExpressionsExtraction EquationsEmpirical Extraction EquationsMechanistic Extraction EquationsSupplemental EquationsSulfate SystemCarbonate SystemModel
Table of ContentsTest FacilitiesColumn Test Results on Specific OresChromite OreFluorite Mica Beryl Silica OreManganese Oxide OreManganese Crust MaterialHigh-Grade Silver OrePrecious Metals OrePlatinum-Palladium OreMineral Behavior Within
Table of ContentsWater DisaggregationHydrothermal TreatmentAcid LeachingAcid Pug-Water LeachAlkaline Roast-Water LeachSulfate Roast-Water LeachChloride Roast-Water LeachMultiple-Reagent Roast-Water LeachSulfur Dioxide Atmosphere Roast-Water LeachChlorinating Roast With Hydrochloric AcidLimestone-Gypsum Roast-Water