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Baziciteti i Skorjes×Elektrofitimi×Diagrami Ellingham×
FushaInxhinieri minerareInxhinieri minerareInxhinieri minerare
FamiljaProcess / pipelineProcess / pipelineProcess / pipeline
Viti i origjinës195018901944
KrijuesiPyrometallurgical PracticeIndustrial Electrometallurgy PracticeHarold Jeffrey Torreyson Ellingham
LlojiSlag composition parameter for controlling roast/smelt conditionsElectrochemical metal extraction and purificationGibbs free energy diagram for high-temperature reactions
Burimi themeluesBarnes, J. F., Edwards, C. C., & Sims, R. L. (2010). Copper smelting and refining: pyrometallurgical fundamentals. JOM, 52(12), 38-43. link ↗Habashi, F. (2011). Electrometallurgy: principles, processes and materials. Metallurgical Transactions, 29(7), 1569-1589. link ↗Ellingham, H. J. T. (1944). Reducibility of oxides and sulfides. Journal of the Society of Chemical Industry, 63(5), 125-160. link ↗
Emërtime të tjeraBasicity Index, Slag Chemistry ParameterElectrodeposition, Electrolytic ExtractionGibbs Free Energy Diagram, High-Temperature Reduction Diagram
Të lidhura333
PërmbledhjaSlag basicity is a measure of the composition of slag formed during smelting and roasting operations. It is typically expressed as the ratio of basic oxides (CaO, MgO) to acidic oxides (SiO2). Basicity controls slag fluidity, viscosity, and reactivity, directly affecting metal recovery, processing temperature, and product quality. It is a critical parameter in copper, nickel, and lead smelting.Electrowinning is an electrochemical process that extracts and refines metals from dilute leaching solutions by passing electric current through an electrolytic cell. Metal ions migrate to the cathode (negative electrode) and are reduced to pure metal, while impurities remain in solution. This process is essential for copper, zinc, cobalt, nickel, and gold refining, producing metals of exceptional purity.The Ellingham Diagram, introduced by Harold Ellingham in 1944, is a graphical representation of the Gibbs free energy change for oxide formation and reduction as a function of temperature. It is an essential tool for predicting the thermodynamic feasibility of ore reduction and selecting appropriate reducing agents and temperatures for smelting and roasting operations.
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ScholarGateKrahasoni metodat: Slag Basicity · Electrowinning · Ellingham Diagram. Marrë më 2026-06-18 nga https://scholargate.app/sq/compare