C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/24
C10G 1/04 (2006.01) B01D 17/00 (2006.01) C10C 3/00 (2006.01)
Patent
CA 1085762
GRINDING AS A MEANS OF REDUCING FLOCCULANT REQUIREMENTS FOR DESTABILIZING SLUDGE (TAILINGS) ABSTRACT OF THE DISCLOSURE Wet-grinding of the oil-removed sludge suspensions is a better means of producing new reactive surfaces on the constituent minerals in the sludge than blender-grinding. Prior treatment of the sludge by wet-grinding reduces the requirement of flocculant 573C by several orders of magnitude to achieve similar results of sludge flocculation as esti- mated by sedimentation using centrifugation. This grinding process will work with other applicable flocculants.
275213
Baweja Anar S.
Warkentin B. Peter
Yong Raymond N.
Gowling Lafleur Henderson Llp
Suncor Inc.
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