Patents Examined by Micheal Wieczorek
  • Treatment of tailings streams
    Patent number: 9481799
    Abstract: A process for the treating a mature fine tailings stream is provided. Treatment comprises contacting an alkali metal silicate or polysilicate microgel and an activator with mature fine tailings, entrapping the sand and clay fines within a polysilicate microgel, spreading the silica microgel over a surface, and allowing the silica microgel to dry, and producing a trafficable surface.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: November 1, 2016
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventor: Robert Harvey Moffett