McKay-JD; Foot-DG Jr.
U S Pat 4 752 383 1988 Jun; :
An apparatus and method for generating gaseous bubbles in a liquid body comprises a bubble chamber for mixing a pressurized gas with a liquid at a pressure greater than atmospheric and a fine injector tip for releasing the pressurized gas-liquid mixture from the bubble chamber under a high tip velocity and shear. The apparatus is adapted for supplying bubbles to a flotation column for the treatment of mineral ore materials.
U.S. Pat. 4,752,383, June 21, 1988