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| Bond Work Index× | Kinetyka flotacji× | Metoda McCabe'a-Thielego× | |
|---|---|---|---|
| Dziedzina | Inżynieria górnicza | Inżynieria górnicza | Inżynieria górnicza |
| Rodzina | Process / pipeline | Process / pipeline | Process / pipeline |
| Rok powstania≠ | 1952 | 1935 | 1925 |
| Twórca≠ | Fred C. Bond | Garcia-Zuniga | Warren L. McCabe and Ernest W. Thiele |
| Typ≠ | Empirical method for grinding energy estimation | First-order kinetic model for flotation recovery | Graphical design method for distillation columns |
| Źródło pierwotne≠ | Bond, F. C. (1952). The third theory of comminution. Transactions of the American Institute of Mining and Metallurgical Engineers, 193, 484-494. link ↗ | Garcia-Zuniga, H. (1935). Uber eine neue Methode, zur Berechnung der Flotationsausbeute. Zeitschrift fur Praktische Geologie, 43(2), 12-19. link ↗ | McCabe, W. L., & Thiele, E. W. (1925). Graphical design of fractionating columns. Transactions of the American Institute of Chemical Engineers, 21, 30-60. link ↗ |
| Inne nazwy≠ | Bond Work Index, BWI, Bond Index Test | Batch Flotation Model, Flotation Rate Constants, Kinetic Flotation Analysis | McCabe-Thiele Diagram, Graphical Distillation Method |
| Pokrewne | 3 | 3 | 3 |
| Podsumowanie≠ | The Bond Work Index, introduced by Fred C. Bond in 1952, is an empirical parameter that characterizes the resistance of an ore to grinding in a tumbling mill. It is defined as the kilowatt-hours per short ton (kWh/st) of electrical energy required to reduce a coarse ore from theoretically infinite size to 80% passing 100 micrometers. The Bond Index is foundational in mineral processing plant design and cost estimation worldwide. | Flotation kinetics is the study of how recovery of minerals from ore changes over time during flotation. The Garcia-Zuniga model, introduced in 1935, describes recovery as a first-order kinetic process with rate constant k and maximum recoverable fraction R∞. This simple model underpins flotation cell design and process optimization, enabling engineers to predict flotation performance from batch tests and scale results to industrial circuits. | The McCabe-Thiele Method, introduced by Warren L. McCabe and Ernest W. Thiele in 1925, is a graphical technique for designing and analyzing distillation columns. It predicts the number of theoretical plates (stages) needed to achieve a desired separation between light and heavy components. While primarily a chemical engineering tool, it applies to liquid-vapor separation problems in mining operations such as mercury recovery and rare earth element refining. |
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