## AMIT 145: Lesson 2 Classifying Cyclones – Mining Mill ...

in which d 50(c) is in microns, Q in m 3 /hour, D c, D i, D u and D o the cyclone cylinder, inlet, spigot and vortex finder diameters in centimeters, h the distance in cm from the bottom of the vortex finder to the top of the apex, P the feed pressure in kPa (1 psi = 6.895 kPa), ρ s the density of solids in grams/cm 3, and V the volumetric percent solids concentration in the feed.