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Seawater intakes are an integral part of every seawater desalination plant. The purpose of this white paper is to provide an overview of potential impingement and entrainment (I&E) impacts associated with the operation of open ocean intakes for seawater desalination plants and to discuss alternative solutions for efficient and cost effective I&E reduction Screening Services

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BAR SCREEN

A bar screen is a mechanical filter used to remove large objects, such as rags and plastics, from wastewater. It is part of the primary filtration flow and typically is the first, or preliminary, level of filtration, being installed at the influent to a wastewater treatment plant.

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TRASH RACKING

A trash rack is a wooden or metal structure, frequently supported by masonry, that prevents water-borne debris from entering the intake of a water mill, pumping station or water conveyance. This protects water wheels, penstocks, and sluice gates from destruction during floods.

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BAND SCREEN

Traveling band screens are typically installed in an intake screening system downstream from the trash rakes or coarse bar screens and upstream of the circulating water pump. Their main function is to remove debris (from 1 mm-10 mm) before the circulating water is distributed to sensitive plant components.

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PENSTOCK

A penstock is a sluice or gate or intake structure that controls water flow, or an enclosed pipe that delivers water to hydro turbines and sewerage systems. It is a term that has been inherited from the earlier technology of mill ponds and watermills.

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AUTO FILTER

The Auto filter is the final condenser or heat exchanger tube protection on the incoming cooling water flow. The Auto filter is designed to automatically separate and remove debris from the cooling water during operation of the cooling system.

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