Scaling up the oleophilic sieve process

Details Scaling up the oleophilic sieve process Scaling up the oleophilic sieve process

C - Chemistry, Metallurgy

10

G

C10G 1/04 (2006.01) B01D 21/00 (2006.01) B03B 5/48 (2006.01) B03B 9/02 (2006.01)

Patent

CA 2707577

A rapidly rotating agglomerator is disclosed and claimed for processing feedstocks of oil sand slurries, oil sand middlings, oil sand fluid tailings or oil sand emulsions to increase bitumen particles size of the feedstock before the agglomerated feedstock is separated by a revolving oleophilic apertured screen formed from adjacent endless cable wraps. The apertured cylindrical wall of the agglomerator is constructed from adjacent metal hoops that are welded at the inside diameter to strong metal cross bars that are attached to agglomerator end walls to provide a rigid and strong agglomerator. A central core may be used to further increase the rigidity of the agglomerator Oleophilic cable wraps are positioned between sequential hoops of the agglomerator and continuously revolve between separation zone and bitumen removal zone. Feedstock separation by the methods and apparatus of the present invention is about an order of magnitude faster than separation by bitumen froth flotation and the bitumen product is of superior quality. Agglomerator scale up calculations are introduced for determining the size of agglomerators for commercial equipment.

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