Extraction tower is a liquid-liquid mass transfer equipment widely used in petroleum refining, chemical and environmental protection fields. It has the features of simple structure, easy installation and manufacturing.
In the liquid-liquid extraction equipment, the gravity difference between the two phases is small, so is the interfacial tension difference, which leads to the small inertia force to promote the interphase mass transfer, and the separation ability of the stratified two-phase is not high.
In order to improve the efficiency of liquid-liquid mass transfer equipment, external energy, such as stirring, pulse and vibration, is often supplied.
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