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water before they leach their nutrients make such filters popular choices for recirculating aquaculture systems. They have also become popular in closed loop industrial systems such as cooling tower, heat exchanger, and other equipment protection applications. Similar devices with larger openings designed only to keep out large objects are called
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applications, and can be designed for very high flow rates. When paired with a controller and flush valve, a strainer can be fully automated. Suspended particles collect on the inside of the screen, and the flush valve opens to expel the buildup. This eliminates the need for manual cleaning of the
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Self-cleaning screen filters incorporate an automatic backwash cycle to overcome these limitations. Backwash cycles are far more frequent when compared to a media filter with similar capacity, and each backwash requires far less water to perform. Their ability to quickly remove contaminants from
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or industrial applications. These are generally not recommended for filtering out organic matter such as
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Water and
Wastewater Treatment a Guide for the Nonengineering Professionals
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Stainless-steel strainers are used in industrial, municipal, and
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Whiting, Joanne E. Drinan; associate editor, Nancy E. (2000).
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