B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
B03D 1/08 (2006.01) B03D 1/02 (2006.01) C10G 1/04 (2006.01)
Patent
CA 2726122
Processes and apparatus for the treatment of product streams from mineral processing operations, including the treatment of tailings which result from oil sand processing operations. The processes and apparatus relate to paraffinic froth treatment, including the recovery of paraffinic solvent from bitumen froth tailings and to the thickening of tailings from a bitumen froth stream and a middlings stream resulting from an oil sand extraction process. In one aspect the processes and apparatus relate particularly to the recycling of product streams to maximize process efficiencies. In another aspect the processes and apparatus relate to the thickening of tailings to produce an underflow component, a clarified overflow component and an unclarified overflow component. In another aspect, the process concerns returning a portion of tailings back into a separation step.
Bartlett Douglas Robert
Grant Chris L.
Hindle W. Scott
Hyndman Alexander William
Ringstrom John Patrick
Fort Hills Energy L.p.
Robic
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