Table of ContentspH Controlled ExtractionConclusion The control of pH in solvent extraction circuits is an old technique but one which has a large potential for
The dependence of the power demand of a mill on the nature of the pulp does not appear to have received a great deal of study,
Table of ContentsEquipment, Materials & ApparatusInvestigation of Process VariablesBench-Scale Tests on Silver Mill TailingsBench-Scale Tests on Clayey Gold OreProcess Development Unit TestsPotential Benefits Using Agglomeration TechniquesHeap
Table of ContentsExperimentalMathematical FormulationResults and Discussion In recent years interest in hydrometallurgy, particularly in the case of in-situ leaching and solution mining has remained at
Table of ContentsMaterials and EquipmentLead Smelter MattesReagentsProcedureResultsDiscussionEffects of ReagentsEffects of Operating ParametersParticle SizeTemperatureAgitationCobalt, Nickel, and Copper RecoveryConclusions It has long been recognized that the 9
Table of ContentsOperating PrinciplePhysical ConfigurationMicrotrac Analyzer The analysis of particle size distributions has become increasingly important in industrial processes. Particle size is recognized to be
Table of ContentsMaterials and MethodsOre Sample DescriptionLeaching ProcedureCopper Recovery ProceduresExperimental ResultsLeaching the Coarse OreLeaching the Fine Ore In the commercial dump leaching of copper, two
Table of ContentsLaboratory Scrubber DescriptionLaboratory Test FacilityExperimental ProcedureDust SamplingDust Sampling AnalysisScrubbing Test Results The Bureau of Mines has funded an extensive research program to develop
The kinetics of solvent extraction with hydroxyoximes are complex, involving mass transfer with chemical reaction in a heterogeneous system. One is therefore faced with a
Shell liners wear very fast in very large diameter autogenous and semi-autogenous mills. In addition to shell liner wear, the ends of the mill are