Centrifuge Thickening and Dewatering

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Centrifugal thickening and dewatering refers to the high speed process separating wastewater solids from liquid using force from the rapid rotation of a cylindrical bowl. The extensive use of centrifuges in wastewater treatment have been documented for many years, dating back in the 1930s. Removal of water is facilitated through thickening before digestion or dewatering, which reduces the tankage needed for digestion and storage. Dewatering facilitates the removal of more water, resulting to a drier material referred to as "cake".

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