Patents Assigned to FLSMIDH A/S
  • Patent number: 9687892
    Abstract: A system and method for tailings disposal is disclosed. A coarse tailings feed stream and a coarse tailings crusher for crushing the coarse tailings feed stream is provided. A crushed coarse tailings stream may be produced by the coarse tailings crusher, and a disposal stream comprising the crushed coarse tailings stream may be discarded as geotechnically stable waste product. The system and method may further provide a fine tailings stream and a thickener configured to thicken/dewater the fine tailings stream and produce a thickener underflow fine tailings stream. The system and method may provide a mixer configured to mix the thickener underflow fine tailings stream and the crushed coarse tailings stream to form a combined tailings disposal stream. Dewatering apparatus may also be provided.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: June 27, 2017
    Assignee: FLSMIDH A/S
    Inventors: Chris Braun, Vishal Gupta, Timothy J. Laros, Todd Wisdom