US Patent Number
A flotation method and apparatus for separating a selected constituent from an effluent of an industrial process is provided. The apparatus includes a conditioning tank and a flotation cell. The conditioning tank allows mixing a flotation reagent with an effluent and includes a mechanism for also dissolving gas in the effluent within the conditioning tank. The flotation cell includes a dissolved gas flotation chamber having an overflow for recovering the selected constituent and a tailings drain. In addition, the flotation cell also includes an added gas flotation chamber having a sparger for injecting gas into the effluent, an overflow for recovering the selected constituent and a tailings drain.
University of Kentucky Research Foundation, Lexington, Ky.
Wang, Xiang-Huai, "Method and Apparatus for Flotation Separation" (1997). Center for Applied Energy Research Faculty Patents. Paper 27.