B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 21/02 (2006.01) B01D 21/00 (2006.01) B03B 5/62 (2006.01) B03B 5/66 (2006.01)
Patent
CA 2104648
A process for treating a suspension of solid particles in a carrier liquid comprises subjecting the particles in the suspension to gravity settling in a treatment zone. The treatment zone has at least an upper free settling region in which, free settling of solid particles through the liquid takes place, a hindered settling region below the free settling region in which hindered settling of particles takes place, and a compaction region below the hindered settling region in which the solid particles are in contact with one another so that a slurry is formed in this region. Clarified liquid is withdrawn from the free settling region. Liquid is allowed, in at least the compaction region, to move upwardly along at least one upwardly inclined pathway, while at least partially protected from settling solid particles. Slurry is withdrawn from the compaction region.
Batson Richard Guy
Flsmidth A/s
Kirby Eades Gale Baker
LandOfFree
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