C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/24
C10G 1/04 (2006.01)
Patent
CA 1131574
"PROCESS FOR SEPARATING LIQUIDS AND SOLIDS FROM WHOLE TAILINGS FROM A HOT WATER EXTRACTION PROCESS FOR RECOVERING BITUMEN FROM TAR SAND" ABSTRACT OF THE DISCLOSURE Whole tailings are mixed with lime to cause fines to agglomerate with coarse particles. The agglomerates settle at the same rate as the coarse particles during subsequent vacuum filtration, thereby evenly distributing the fines in the coarse sand in the filter cake. Blinding of the filter is thereby avoided. The level of lime addition is correlated with the fines content of the tar sand, thereby ensuring that maximum filtration rate is achieved.
362163
Fuhr Bryan J.
Lemke Arthur W.
Sanford Emerson C.
Alberta Energy Company Ltd.
Canada-Cities Service Ltd.
Esso Resources Canada Ltd.
Gulf Canada Limited
Her Majesty The Queen In Right Of The Province Of Alberta
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