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 When I went to donate blood last month, my curiosity drove me to talk to a nurse about the machine that separates plasma from blood cells: the centrifuge. It works at high speed, sinking cells from the blood to the bottom of the centrifuge tube, leaving clear plasma at the top. Then I indicated that I would like to know about the different classifications of centrifuges. She said I could learn about the  decanter centrifuge , a very common one, so I'm going to share it with you. Decanter centrifuges compete with other separation technologies such as filter presses, screw presses, etc. While all of these devices have advantages, decanter centrifuges also have some specific advantages. The following is a list of the advantages of decanter centrifuges over filtration methods. How does it work Decanter centrifuges work by applying a high centrifugal force to a solid and liquid slurry. The rotating conveyor belts push out the heavier solids that have settled on the decanter walls....