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Vol 202
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Modelling of thickening process in mineral processing

K. A. Zatulovskii1
I. N. Beloglazov2
A. Yu. Firsov3
About authors
  • 1 — National Mineral Resources University (Mining University)
  • 2 — National Mineral Resources University (Mining University)
  • 3 — National Mineral Resources University (Mining University)
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The present paper is devoted to the research of a spatially one-dimensional model of flocculated suspensions in the clarifier–thickener. This model unites a theory of sedimentation– consolidation processes of flocculated suspensions, which leads to a strongly degenerate diffusion equation, with the discontinuous flux. The development of steady-state concentration pro- files in a continuously operated clarifier-thickener is described. Numerical examples for construction of steady-state profiles and their applications for comparisons different modes of operation, to the control of sediment height are presented.

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  1. Bürger R., Narváez A. Steady-state, control and capacity calculations for flocculated suspensions in clarifier- thickeners // International Journal of Mineral Processing. Vol.84. 2007. P.274-298.
  2. Bürger R.A. Mathematical model for batch and continuous thickening of flocculated suspensions in vessels with varying cross-section // International Journal of Mineral Processing. 2004. Vol.73. Issues 2-4. P.183-208.
  3. Bürger R.A. Model of continuous sedimentation of flocculated suspensions in clarifier-thickener units. SIAM // Journal on Applied Mathematics. 2005. Vol.65. Issue 2. P.882-940.

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