方法对比
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| 电解沉积× | 埃林厄姆图× | |
|---|---|---|
| 领域 | 采矿工程 | 采矿工程 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1890 | 1944 |
| 提出者≠ | Industrial Electrometallurgy Practice | Harold Jeffrey Torreyson Ellingham |
| 类型≠ | Electrochemical metal extraction and purification | Gibbs free energy diagram for high-temperature reactions |
| 开创性文献≠ | 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 ↗ |
| 别名 | Electrodeposition, Electrolytic Extraction | Gibbs Free Energy Diagram, High-Temperature Reduction Diagram |
| 相关 | 3 | 3 |
| 摘要≠ | 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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