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Flotatsioonikineetika×Bondi töönäitaja×Pesemise analüüs×
ValdkondMäendusMäendusMäendus
PerekondProcess / pipelineProcess / pipelineProcess / pipeline
Tekkeaasta193519521950
LoojaGarcia-ZunigaFred C. BondMining Industry Practice (1930s-1960s)
TüüpFirst-order kinetic model for flotation recoveryEmpirical method for grinding energy estimationSeparation analysis by density fractionation
AlgallikasGarcia-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 ↗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 ↗
RööpnimetusedBatch Flotation Model, Flotation Rate Constants, Kinetic Flotation AnalysisBond Work Index, BWI, Bond Index TestCoal Washability, Density Separation Analysis, Float-Sink Analysis
Seotud333
KokkuvõteFlotation 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.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.
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ScholarGateVõrdle meetodeid: Flotation Kinetics · Bond Work Index · Washability. Loetud 2026-06-19 aadressilt https://scholargate.app/et/compare