Abstract
The separation and recovery of ultra-fine granular particles is a source of significant interest in a number of fields. Following is a general analysis of an experimental method for separating micron-scale particles with respect to their density and hydrophobicity. By employing fluid mechanics, mass dispersion, and surfactant application techniques, it is possible to separate mixed micron-scale particles consisting of charcoal and tungsten carbide . Through the application of standing wave fluid mechanics, a consistent separation of the materials becomes an inexpensive and easily scalable process that could theoretically be utilized to separate numerous suspended colloids provided the appropriate initial conditions. This examination focuses on particle bulk behavior and kinetic behavior in suspension such that a consistent output at a relatively high average recovery rate (greater than 70%) for tungsten carbide can be consistently attained.
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Acknowledgements
Research was sponsored by the Army Research Laboratory and was accomplished under Cooperative Agreement Number W911NF-15-2-0020. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either expressed or implied, of the Army Research Laboratory or the U.S. Government. The U.S. Government is authorized to reproduce and distribute reprints for Government purposes notwithstanding any copyright notation herein.
The authors gratefully acknowledge the Montana University System Collaborative Materials Science Ph.D. Program.
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Bayless, T.K., Downey, J.P., Wallace, G.C., D’Aberle, M. (2019). Density Separation of Mixed Carbide Colloids via Standing Wave Physics. In: TMS 2019 148th Annual Meeting & Exhibition Supplemental Proceedings. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05861-6_144
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DOI: https://doi.org/10.1007/978-3-030-05861-6_144
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