How to Produce Pure Lead from Galena Concentrates

Table of ContentsMaterials Equipment and ProceduresOxidative LeachingLead ElectrowinningRecycling of ElectrolyteSulfur ExtractionResults and DiscussionLeaching Parameters—Bench-Scale TestsOxidantsTemperatureTimeFluosilicic AcidLarge-Scale Leaching TestsElectrowinningBench Scale (1-L Cell)Large Scale (20-L Cell)ImpuritiesSulfurResidue A

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How to Recover Nickel Cobalt Scrap

Table of ContentsMaterials and EquipmentExperimental Results and DiscussionPyrometallurgical Anode PreparationMelt-OxidationMelt-Oxidation-CarburizationControlled-Potential Electrolysis to Deposit Ni-Co AlloyEffects of CrEffects of FeElectrorefining Superalloy Scrap AnodesSummary and Conclusions We

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Ceramic Corrosion Resistance to Sulfuric Acid

Table of ContentsExperimental Equipment and ProceduresReactions Between 500° and 750° CReactions Between -75° and 200° CResults and DiscussionAcidproof MaterialsReactions Between -75° and 200° CAmmonia-Boron Halide

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