Patent ID: 6095336
Filing Date: 2000-08-01
Classification: B03D

Abstract:
A flotation cell for removing mineral values present in a slurry, comprising:a tank for holding a mass of the slurry containing said mineral values;a mechanism in the tank introducing gas into the slurry and generating froth near the top of the mass of the slurry;a launder adjacent a periphery of the tank constituting an outer launder, said outer launder removing froth from the tank during operation of the flotation cell;an inner launder in the tank that is of a size smaller than the outer launder and disposed generally toward the center of the tank said inner launder collecting froth from the tank; andat least one radial launder in the tank, said radial launder extending from adjacent said outer launder generally inwardly toward an inner portion of said tank, said at least one radial launder receiving froth from the tank and is in fluid flow communication with the outer launder and the inner launder to enhance recovery of froth from the tank.