More about Centrifuges

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Centrifuges are devices designed to rotate at high-speeds around a central axis in order to separate various materials. Basic centrifuges are designed to hold various containers holding the substances to be separated. Generally, this involves the separation of different liquids, or solids held within the liquid. More sophisticated centrifuges can isolate an extensive range of substances, including various components of biological matter and Uranium isotopes.

Centrifuges find use in a wide range of industries, from chemical, biological and medical research to wastewater treatment and Uranium enrichment. They are also used in certain food processing functions, and centrifugal technology is used in dryers, pumps, fans and blowers. A typical laboratory centrifuge has a specified number of slots, into which tubes or other containers can be placed. The substances to be separated are deposited in these tubes prior to processing, and after being secured in the centrifuge, they are set in motion. Most centrifuges use a cover or other protective casing to prevent injury and escape of processed materials, which typically must be in place in order to begin the rotation cycle.

Manufacturers produce a wide range of centrifuge types, including vertical high-speed, continuous, batch, and micro centrifuges. Although different materials are processed by each of these devices, they function based on the same principles. As mixtures are spun for prolonged periods at suitable speeds, the denser components are pushed toward the part of the container most distant from the axis, while less dense components are moved closer to the central axis. As the denser components move to the outer parts of the container, they displace the less dense components toward the center. Therefore, if given enough time at the appropriate speed, mixtures can be separated into all of their constituent parts, which will collect based on density within the processed container.