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| Analisi di Lavabilità× | Cinetica di flottazione× | |
|---|---|---|
| Campo | Ingegneria mineraria | Ingegneria mineraria |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1950 | 1935 |
| Ideatore≠ | Mining Industry Practice (1930s-1960s) | Garcia-Zuniga |
| Tipo≠ | Separation analysis by density fractionation | First-order kinetic model for flotation recovery |
| Fonte seminale≠ | McCullough, R. B. (1963). The theoretical basis and practical application of coal washability studies. Transactions of the Society of Mining Engineers, 226, 13-26. link ↗ | Garcia-Zuniga, H. (1935). Uber eine neue Methode, zur Berechnung der Flotationsausbeute. Zeitschrift fur Praktische Geologie, 43(2), 12-19. link ↗ |
| Alias | Coal Washability, Density Separation Analysis, Float-Sink Analysis | Batch Flotation Model, Flotation Rate Constants, Kinetic Flotation Analysis |
| Correlati | 3 | 3 |
| Sintesi≠ | Washability analysis is a laboratory method that determines the feasibility and efficiency of density-based separation for coal or mineral beneficiation. By fractionating ore or coal into density bins using sink-float tests and assaying each fraction, engineers can optimize design of separation plants (dense-medium cyclones, jigs, spirals) and predict clean product quality. Washability curves are essential tools for pre-feasibility and detailed design studies. | 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. |
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