2. Choice of liquid-liquid extraction equipment

2.1 Selection criteria

Although it's not an easy task, it would seem desirable to establish selection criteria based on objective criteria, when the choice is often guided either by subjective ideas, or at best by considerations based on experience gained in a workshop with a given type of contactor.

In the literature, we find attempts to compile the various devices on the basis of classification, flowcharts to aid selection (figure 2 ) or comparative tables in which scores are assigned to each type of device according to their ability to meet certain criteria. The undeniable merit of...