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| Rosin-Rammler-fordelingen× | Flotationskinetik× | |
|---|---|---|
| Fagområde | Minedrift | Minedrift |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1933 | 1935 |
| Ophavsperson≠ | Paul Rosin and Erich Rammler | Garcia-Zuniga |
| Type≠ | Empirical probability distribution for crushed material fineness | First-order kinetic model for flotation recovery |
| Oprindelig kilde≠ | Rosin, P., & Rammler, E. (1933). The laws governing the fineness of powdered coal. Journal of the Institute of Fuel, 7, 29-36. link ↗ | Garcia-Zuniga, H. (1935). Uber eine neue Methode, zur Berechnung der Flotationsausbeute. Zeitschrift fur Praktische Geologie, 43(2), 12-19. link ↗ |
| Aliasser | Rosin-Rammler Model, RRS Distribution, Weibull Distribution (particle size) | Batch Flotation Model, Flotation Rate Constants, Kinetic Flotation Analysis |
| Relaterede | 3 | 3 |
| Resumé≠ | The Rosin-Rammler Distribution, introduced by Paul Rosin and Erich Rammler in 1933, is an empirical probability distribution that describes the particle size distribution of ground or crushed materials. It characterizes fineness by two parameters: the characteristic size (d-prime) and the uniformity index (n). This distribution is remarkably accurate for mineral processing streams and is ubiquitous in comminution engineering. | 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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