Table of ContentsValue, Character, and Distribution of GoldPhysical Characteristics of FormationCharacter and Contour of BedrockAvailability of Water and Problems Inherent in Stream OperationsTopographyPowerLaborLand AcquisitionAdverse ClimateLocal
Table of ContentsMaterialsEquipmentProcedureResults and DiscussionConclusions For the past decade, the Bureau of Mines has addressed the problem of using low-grade scrap, such as the ferrous
Table of ContentsExperimental Techniques and EquipmentExperimental ResultsExtractionEffect of pHEffect of Ammonium Sulfate ConcentrationSulfate and Carbonate Liquor ComparisonsPreferential LoadingLiquor ImpuritiesExtraction IsothermsKinetics of ExtractionExtraction Versus AgitationExtraction Versus
The practical application of common alkaline inorganic chemicals such as lime, soda ash, caustic, silicates and phosphates, in the beneficiation of minerals, is well known
Pilot test results with 30% refuse slurry suggested the installation of two (2) Passavant Pressure Filters, Model 20 with 150 chambers each and a cake
A series of tests on a 24 inch hydrocyclone operating on a copper ore slurry were run. The ore was selected so as to be
Table of ContentsUranium Leaching AgentsAlkaline (Carbonate Bicarbonate) LixiviantsAmmonium Carbonate-BicarbonateSodium Carbonate-BicarbonatePotassium Carbonate-BicarbonateCarbon DioxideAcid LixiviantsSulfuric AcidNitric and Hydrochloric AcidsOxidizersOxygenHydrogen PeroxideChloratesMethods of Testing LixiviantsLaboratory TestsBatch LeachingColumn LeachingPilot Field
Reducing the inorganic sulfur in coal to tolerable limits by physical beneficiation, including flotation, as now practiced, still is relatively inefficient and has not kept
Table of ContentsEquipment and ProceduresSolvent Extraction Mixer-SettlersCoalescerCarbon ColumnCarbon Mixing-FiltrationExtraction and Stripping SamplesCoalescer Discharge SamplesCarbon Column SamplesCarbon Mixing-Filtration SamplesExperimental ResultsIron ExtractionIron StrippingMaterial BalanceIron BuildupMinor ImpuritiesRemoval of
Table of ContentsDescription of SamplesChemical AnalysesMineralogical AnalysesParticle-Size DistributionBeneficiationMagnetic SeparationFlotationContinuous FlotationLeachingRefractory StudiesPreparation of SamplesChrome Concentrates From Copper Smelter LiningsEnvironmental ConsiderationsRecycling Waste Refractories in Copper Smelting Furnaces