Process / pipelineMineral Beneficiation Assessment
Washability Analysis
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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Sources
- 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 ↗
- Clarkson, T. E., & Trevits, M. A. (2000). Coal preparation and resource utilization in United States. Bureau of Mines Information Circular IC 9413. link ↗