Patent ID: 9238184
Filing Date: 2016-01-19
CPC Classification: B01D,C01F

Claim Text:
1. An apparatus for refining a process liquor that includes solids, which apparatus includes: (a) a vessel having a base and a side wall that define an internal volume for containing the process liquor and for allowing gravity settling of the solids in the liquor, whereby to produce a refined liquor toward a top of the internal volume and a slurry toward a bottom of the internal volume; (b) a refined liquor outlet at or near the top of the internal volume for extracting the refined liquor; (c) a slurry outlet at or near the bottom of the internal volume for extracting the slurry, unrestrictedly open to said internal volume; and (d) solids displacement elements extending across and fixed relative to the vessel, wherein the solids displacement elements are disposed within the internal volume for directing settled solids and/or settling solids in the vicinity of the side wall or of the base toward a flow path of the slurry being extracted from the slurry outlet.