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| 浮选动力学× | 功劳功劳指数× | Rosin-Rammler 分布× | |
|---|---|---|---|
| 领域 | 采矿工程 | 采矿工程 | 采矿工程 |
| 方法族 | Process / pipeline | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1935 | 1952 | 1933 |
| 提出者≠ | Garcia-Zuniga | Fred C. Bond | Paul Rosin and Erich Rammler |
| 类型≠ | First-order kinetic model for flotation recovery | Empirical method for grinding energy estimation | Empirical probability distribution for crushed material fineness |
| 开创性文献≠ | Garcia-Zuniga, H. (1935). Uber eine neue Methode, zur Berechnung der Flotationsausbeute. Zeitschrift fur Praktische Geologie, 43(2), 12-19. link ↗ | Bond, F. C. (1952). The third theory of comminution. Transactions of the American Institute of Mining and Metallurgical Engineers, 193, 484-494. link ↗ | Rosin, P., & Rammler, E. (1933). The laws governing the fineness of powdered coal. Journal of the Institute of Fuel, 7, 29-36. link ↗ |
| 别名 | Batch Flotation Model, Flotation Rate Constants, Kinetic Flotation Analysis | Bond Work Index, BWI, Bond Index Test | Rosin-Rammler Model, RRS Distribution, Weibull Distribution (particle size) |
| 相关 | 3 | 3 | 3 |
| 摘要≠ | 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 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. | 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. |
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