METHOD FOR POLISHING DILUTED BITUMEN

摘要

A process for polishing a dilbit product produced from a conventional paraffinic froth treatment process results in a polished dilbit product stream having minimal impurities, including water, mineral and non-mineral solids and water, therein. The dilbit product from a froth separation unit (FSU) is fed into a High G- force separator for removal of impurities therefrom. Typically, the impurities in the initial dilbit product are less than about 0.5wt% and can be reduced as taught herein to at least an order of magnitude lower. Multiple stages of polishing can be performed.