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Water Clarifier

Last updated: January 14, 2018

What Does Water Clarifier Mean?

Water clarifiers are circular settling tanks in which solid sediments settle down to the bottom. These are generally used to separate solid particulates or suspended solids from a liquid for clarification and/or thickening. They are widely used in the sewage treatment, power generation, oil and gas, petrochemical, mining and paper industries to aid product separation and recovery. Clarifiers operate on two basic design criteria: the surface area of the tank and the liquid residence time within the tank.

Water clarifiers are also known as settlers.

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Corrosionpedia Explains Water Clarifier

A water clarifier is a settling tank used in a variety of process industries to separate a liquid substance from a solid one. The solid-liquid mixture is introduced into the tank and allowed to settle over a period of time with the aid of a rake system to guide the solids to the bottom of the tank. The liquid is recovered from the top of the tank while the solids settle or are suspended at the lower end of the tank due to gravity.

Water clarifiers may have an increased risk of corrosion due to prolonged contact with moisture. Therefore, their inner surface should be coated with corrosion proof paints and coatings to prolong the tank's life.

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Synonyms

Settlers

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