Method of utilization and disposal of sludge from tar sands...

Details Method of utilization and disposal of sludge from tar sands... Method of utilization and disposal of sludge from tar sands...

C - Chemistry, Metallurgy

10

G

196/24

C10G 1/04 (2006.01) B09B 3/00 (2006.01)

Patent

CA 1211063

ABSTRACT METHOD OF UTILIZATION AND DISPOSAL OF SLUDGE FROM TAR SANDS HOT WATER EXTRACTION PROCESS A method of treating bitumen-containing sludges or tailings is disclosed which comprises the steps of mix- ing the sludge or tailings with a secondary carbonaceous fuel, reducing the moisture content of the mixture and introducing the mixture into a fluidized bed combustion furnace for combustion, The method may be used to pro- cess the middlings and froth treatment tailings from the tar sands hot water extraction process. The method may also be used to treat the sludges reclaimed from tar sands tailings ponds, or the slurries produced as "pro- duced water" in in situ heavy oil production. The meth- od is particularly suitable for use in combination with a flooded mine tar sands mining method.

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