An apparatus for solvent extraction of substances in liquid solution, in which the liquid and solvent are dispersed in each other (often repeatedly by means of a countercurrent system) and then allowed to separate gravitationally.
Origin
1950s.
Definition of mixer-settler in US English:
mixer-settler
noun
Chemistry Engineering
An apparatus for solvent extraction of substances in liquid solution, in which the liquid and solvent are dispersed in each other (often repeatedly by means of a countercurrent system) and then allowed to separate gravitationally.