| centrifugal extractor [´sen`trif·i·gǝl ik`strak·tǝr] CHEMICAL ENGINEERING A device for separating components of a liquid solution, consisting of a series of perforated concentric rings in a cylindrical drum that rotates at 2000-5000 revolutions per minute around a cylindrical shaft; liquids enter and leave through the shaft; they flow radially and concurrently in the rotating drum. |