in Others edited by
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Seawater is passed through a column containing a bed of resin beads.

  • Density of seawater $=1025 \: \text{ kg m}^{-3}$
  • Density of resin beads $=1330  \text{ kg m}^{-3}$
  • Diameter of resin beads $=50 \: \mu \text{ m}$
  • Void fraction of the bed at the onset of fluidization $=0.4$
  • Acceleration due to gravity $=9.81\text{ m s}^{-2}$

The pressure drop per unit length of the bed at the onset of fluidization is ___________$Pa \: \text{ m}^{-1}$ (round off to nearest integer).

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