השוואת שיטות
סקרו את השיטות שבחרתם זו לצד זו; שורות שבהן יש הבדל מודגשות.
| דיאגרמת אלינגהם× | אלקטרוליזה להפקה (Electrowinning)× | |
|---|---|---|
| תחום | הנדסת כרייה | הנדסת כרייה |
| משפחה | Process / pipeline | Process / pipeline |
| שנת המקור≠ | 1944 | 1890 |
| הוגה השיטה≠ | Harold Jeffrey Torreyson Ellingham | Industrial Electrometallurgy Practice |
| סוג≠ | Gibbs free energy diagram for high-temperature reactions | Electrochemical metal extraction and purification |
| מקור מכונן≠ | Ellingham, H. J. T. (1944). Reducibility of oxides and sulfides. Journal of the Society of Chemical Industry, 63(5), 125-160. link ↗ | Habashi, F. (2011). Electrometallurgy: principles, processes and materials. Metallurgical Transactions, 29(7), 1569-1589. link ↗ |
| כינויים | Gibbs Free Energy Diagram, High-Temperature Reduction Diagram | Electrodeposition, Electrolytic Extraction |
| קשורות | 3 | 3 |
| תקציר≠ | 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. | 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. |
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