Leaching Chalcopyrite is the holy grail for hydrometallurgists (Leachers), difficult to leach as the sulfur forms a layer over the mineral and makes the leaching
Table of ContentsZinc Ore SmeltingSmelting Zinc OresCopper Ore SmeltingExperience in Norway Electric Furnace Smelting PracticeSmelting Lead OresPyritic Gold & Silver Ores Containing Minor ElementsSmelting ConcentratesElectric Furnace AccessoriesElectric Furnace MetallurgyIron Ore SmeltingManganese SmeltingSmelting Chromite Electric Furnace ManufacturersWile
Table of ContentsVolatilization in CupellingLoss Through DustingCondensation of Assay Muffle FumesVapor Pressure and VolatilityVolatility of GoldVolatility of SilverRelations of Silver and OxygenVolatility of LeadFeathering as
Table of ContentsTile-Lined Stack for Blast and Reverberatory FurnacesBrick-Lined Blast-Furnace StackBrick-Lined Stack for Various FurnacesUnlined Stacks for Converter GasesUnlined Stacks for Blast Furnaces and ConvertersUnlined Stacks for Reverberatory FurnacesConclusion
Table of ContentsHydration Products of Portland CementRecasting Cement AnalysesImportance of Fine GrindingLimiting Ratios of CementResults of Limiting Ratio Tests The failure, or disintegration, of concrete
The haulage system employed to convey coal from the face to the outside, dates back to 300 B. C., when slaves carried the mineral from
I was requested to write an article on Longwall Mining a short time ago; however, the time has been so short that I have not
Table of ContentsDescription of SamplesPreparation of SamplesFactors Affecting Flotation of PyriteKind and Physical Condition of MineralSize of Mineral GrainsMethod of PulverizingKind and Physical Condition of
Table of ContentsCollecting the SludgeAveraging Core and Sludge AnalysesSplitting the CorePermanent Filing of Samples In diamond-drill work, a true sample consists of all the material cut by
Table of ContentsForms used in Hoisting CalculationsCalculations for Alternating-Current Hoist MotorDrum CalculationsMaximum Rope SpeedTimeInertiaFriction of Hoist PartsLoad DiagramCapacity of Hoist MotorSpeed of MotorInput with Rheostatic ControlControl