Patent ID: 7416673
Filing Date: 2008-08-26
Classification: B01D,C04B

Abstract:
1. A method of treating lime slurry in a slurry treatment system, comprising the steps of: (a) providing a watery lime slurry having lime particles and grit particles therein, in a slurry tank; (b) delivering slurry from the slurry tank and extracting a portion of the slurry delivered from the slurry tank via a discharge line and discharging said extracted portion of the slurry from said discharge line; (c) substantially continuously delivering the slurry from the slurry tank to a device for separation of some of the grit from the rest of the slurry; and (d) recirculating the rest of the slurry to the slurry tank after separation of some of the grit from the slurry; and (e) wherein the extraction of clause (b) is via a suction line, through a stilling well, that allows gravity separation of grit from slurry.