The invention is directed to a centrifugal contactor for solvent extraction systems. The centrifugal contactor is provided with an annular vertically oriented mixing chamber between the rotor housing and the rotor for mixing process liquids such as the aqueous and organic phases of the solvent extraction...http://www.google.com.au/patents/US5024647?utm_source=gb-gplus-sharePatent US5024647 - Centrifugal contactor with liquid mixing and flow control vanes and method of mixing liquids of different phases
