Process for cleaning up wet tailings ponds

Details Process for cleaning up wet tailings ponds Process for cleaning up wet tailings ponds

B - Operations, Transporting

03

B

B03B 9/02 (2006.01) B01D 17/00 (2006.01) B01D 21/00 (2006.01)

Patent

CA 2075721

A process for the clean-up of wet tailings ponds produced in the operation of an oil sands extraction process includes the steps of removing matter from all layers of a pond and vacuum filtering the combined matter to obtain clarified water, bitumen and dry tailings. With this process, tailings ponds may be completely removed and the water contained therein recycled to the extraction process. The uncovered area may be mined and the dry tailings may be used to reclaim mined-out areas. Residual bitumen recovered from the pond material contributes to a reduction of the clean-up costs. Environmental damage is minimized by complete removal of the pond.

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