A process and an apparatus are described for separation of water and solids from oil sands froth in which heated froth is fed into a gravity settling vessel at a level below a bitumen-water interface established between a bitumen froth layer floating on a quiescent body of water whereby water and solids...http://www.google.fr/patents/US5223148?utm_source=gb-gplus-shareBrevet US5223148 - Process for increasing the bitumen content of oil sands froth
Process for increasing the bitumen content of oil sands froth
