Abstract: These and other objects of the present invention are achieved by a comminution apparatus comprised of a housing member formed with co-planar circularly-shaped chambers in chordal juxtapositioned to each other thereby forming a collision zone therebetween and wherein wheel members having radially disposed directional vanes are positioned for rotation in each cylindrically-shaped chamber and wherein an inlet fluid conduit or a slurry of particulate matter to be treated is in axial fluid communication with each wheel member and wherein each wheel member is caused to be rotated in a direction to accelerate the slurry towards the collision zone and to affect particle size reduction by particle collision and wherein an outlet conduit is in fluid communication with the collision zone for withdrawing a slurry of size reduced particles from the comminution apparatus.

Abstract: There is disclosed a comminution assembly for effecting particle size reductions in a liquid slurry, the assembly having paired interconnecting cylindrical chambers wherein each chamber is provided with a rotatable shaft having a rotatable disk mounted thereon wherein each disk is comprised of a donut-shaped planar upper surface and a donut-shaped planar lower surface there being disposed between said surfaces a plurality of vanes so as to direct and impel a slurry containing the size reduction particulate matter to the point of interconnection of the cylindrical chambers whereby the particulate matter from the opposing disk members impinge upon each other to effectuate particle size reduction.