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Design Mixers to Minimize Effects of Erosion and Corrosion Erosion
International Journal of Chemical Engineering
  • Julian B. Fasano, Mixer Engineering Co.
  • Eric E. Janz, Chemineer
  • Kevin J. Myers, University of Dayton
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A thorough review of the major parameters that affect solid-liquid slurry wear on impellers and techniques for minimizing wear is presented. These major parameters include (i) chemical environment, (ii) hardness of solids, (iii) density of solids, (iv) percent solids, (v) shape of solids, (vi) fluid regime (turbulent, transitional, or laminar), (vii) hardness of the mixer's wetted parts, (viii) hydraulic efficiency of the impeller (kinetic energy dissipation rates near the impeller blades), (ix) impact velocity, and (x) impact frequency. Techniques for minimizing the wear on impellers cover the choice of impeller, size and speed of the impeller, alloy selection, and surface coating or coverings. An example is provided as well as an assessment of the approximate life improvement.
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Hindawi Publishing
Peer Reviewed
Citation Information
Julian B. Fasano, Eric E. Janz and Kevin J. Myers. "Design Mixers to Minimize Effects of Erosion and Corrosion Erosion" International Journal of Chemical Engineering Vol. 2012 (2012)
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