Template:Model theory (Text, Reid-Plitt Efficiency Curve)

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The Reid-Plitt expression for corrected partition to underflow, (frac), is:

where:

  • is the index of the size interval, , is the number of size intervals
  • is the geometric mean size of particles in size interval (mm)
  • is the corrected size at which 50% of the particle mass reports to underflow and 50% to overflow (mm)
  • is the sharpness parameter that determines the steepness of the partition curve (-)

The actual partition to underflow , (frac), is computed as:

where is the fraction of fines and/or feed liquids split to the underflow (frac)