Final answer:
Centrifugal collectors use centrifugal force and inertia to remove particulates from flue gas, forcing them to the edges for collection.
Step-by-step explanation:
Centrifugal collectors remove particulates from flue gas by means of centrifugal force and inertia. When a centrifuge spins a sample very rapidly, the inertia of the particles in the fluid sediment carries them away from the center of rotation. They move along a line tangent to the circle they were in, while the container holding them provides the necessary centripetal force for circular motion. The centrifugal collectors use this principle to force particulates to the edges where they can be collected, separating them from the gaseous stream.