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Cinetica di flottazione×Distribuzione di Rosin-Rammler×Curva di Tromp×
CampoIngegneria minerariaIngegneria minerariaIngegneria mineraria
FamigliaProcess / pipelineProcess / pipelineProcess / pipeline
Anno di origine193519331937
IdeatoreGarcia-ZunigaPaul Rosin and Erich RammlerK. Tromp
TipoFirst-order kinetic model for flotation recoveryEmpirical probability distribution for crushed material finenessEmpirical model for size classifier performance
Fonte seminaleGarcia-Zuniga, H. (1935). Uber eine neue Methode, zur Berechnung der Flotationsausbeute. Zeitschrift fur Praktische Geologie, 43(2), 12-19. link ↗Rosin, P., & Rammler, E. (1933). The laws governing the fineness of powdered coal. Journal of the Institute of Fuel, 7, 29-36. link ↗Tromp, K. (1937). Separation of fine particles from slurries by hydrocyclone. Colliery Guardian, 155(4), 251-256. link ↗
AliasBatch Flotation Model, Flotation Rate Constants, Kinetic Flotation AnalysisRosin-Rammler Model, RRS Distribution, Weibull Distribution (particle size)Partition Curve, Classification Efficiency Curve, Grade Recovery Curve
Correlati333
SintesiFlotation 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 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.The Tromp Curve, introduced by K. Tromp in 1937, is an empirical model that quantifies the performance of size classifiers (cyclones, screens, jigs) by showing the fraction of particles at each size that report to the target stream (overflow or underflow). It is universally used in mineral processing to evaluate classifier performance, design circuits, and diagnose operational problems.
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ScholarGateConfronta i metodi: Flotation Kinetics · Rosin-Rammler Distribution · Tromp Curve. Consultato il 2026-06-20 da https://scholargate.app/it/compare