leaching effect of reaction time
Hydrometallurgy

Leaching Manganese Ore with Caustic Soda

Table of ContentsExperimental ProcedureRegenerating Caustic Leach Liquors All of our larger domestic deposits of manganese are very low grade, but estimated tonnages in these deposits

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grinding controls new age control design
Grinding

Grinding Circuit Control Strategy

Table of ContentsBall Mill Load Detection SchemeNew feed rate controllerGrind index control strategyBall mill transport index control strategySump level controllerWater flow controller Figure 4 is

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launder washers flow circuit
Gravity Concentration

Launder Washers

Table of ContentsThe RheolaveurFree-discharge Rheolaveur for Fine CoalPlant Circuits and Operating ResultsKoppers-Battelle Launder Trough washers were among the earliest methods used for concentrating ores; they

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Steel

Physical Metallurgists

Table of ContentsTransformationsAge-HardeningDiffusionPowder MetallurgyTwinningFractureCorrosion During the past year there have been a number of significant investigations that have furnished evidence on the driving forces governing

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Precipitation in Copper-Beryllium Alloys

Table of ContentsExperimental TechniqueOrientation RelationshipIntermediate Structure—γ’Discussion of Results The nature of the atomic rearrangement involved in the precipitation of the compound γ-Cu-Be from supersaturated solid

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vapor pressure apparatus
Smelting - Melting - Refining

Vapor Pressure of Silver

The purpose of this study was to measure the vapor pressure of silver as the first step in the determination of activities in silver alloys

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