Prilling method and apparatus

Details Prilling method and apparatus Prilling method and apparatus

B - Operations, Transporting

01

J

18/505, 71/57

B01J 2/04 (2006.01)

Patent

CA 1045769

ABSTRACT Liquid chemicals are prilled by forming a plurality of liquid streams and dispersing the streams into discrete droplets at the upper end of a prilling tower, by directing a plurality of air streams against each liquid stream at the upper end of the tower. The resultant discrete drop- lets descend through the tower and solidify in the form of individual sub- stantially spherical solid chemical particles, which are removed from the lower end of the tower. The invention is applicable to the prilling of pharmaceuticals, urea, ammonium nitrate etc., and is especially useful in prilling high viscosity materials or materials which crystallize slowly and which normally require high prill towers.

191351

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