Patent ID: 7507343

Claim:
A mixing and settling device for solvent extraction processes to recover high purity products from a fluid comprising a mixer divided into compartments connected to a settler including a first compartment, a last compartment and a series of following compartments between the first and last compartments the first compartment of the mixer is provided with a primary agitator that includes a blunt edged agitation-pump turbine, and the following compartments are provided with secondary blunt edged agitation turbines, each compartment is connected by a communication channel transferring the fluid over an upper overflow located on an output side of a previous compartment and beneath a lower overflow located on an input side of a subsequent compartment, and the last compartment of the mixer is flow connected to a settler, the settler contains at least one baffle with a window, located in a liquid-liquid interface area of the settler and perpendicularly to flow of the fluid and positioned after at least one flow buffer, and at least one baffle without window located in a liquid-liquid interface area of the settler after the baffle with a window, and perpendicularly to the flow of the fluid.