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Elektroieguve×Elinghamas diagramma×
NozareKalnrūpniecības inženierijaKalnrūpniecības inženierija
SaimeProcess / pipelineProcess / pipeline
Izcelsmes gads18901944
AutorsIndustrial Electrometallurgy PracticeHarold Jeffrey Torreyson Ellingham
TipsElectrochemical metal extraction and purificationGibbs free energy diagram for high-temperature reactions
PirmavotsHabashi, 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 ↗
Citi nosaukumiElectrodeposition, Electrolytic ExtractionGibbs Free Energy Diagram, High-Temperature Reduction Diagram
Saistītās33
KopsavilkumsElectrowinning 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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ScholarGateSalīdzināt metodes: Electrowinning · Ellingham Diagram. Izgūts 2026-06-18 no https://scholargate.app/lv/compare