2 phase and 3 phase decanters have a lot in common
They use high rotational speeds to separate components of different densities. The principle of a decanter centrifuge is to separate solids materials from liquids in a slurry
The rotational speed is typically between 2500 and 5000 rpm depending on the diameter of the decanter. This creates a G force of typically above 3000 G
The three main components in the paste are solids with a density of approximately 1.2 (water with a density of 1.08 and oil with a density of 0.916 grams per cm3)
The heaviest materials is on the outside and the lightest materials is in the center
In order to remove the solids from the decanter a screw conveyor is fitted inside to scraper the solids out of the decanter.
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