Air Scour*

An air scour is a cleaning procedure in a deep bed filter that may accompany backwashing. A flow of air is passed through the bed in the reverse direction to the normal (downward) filtration direction with the aim to break up and dislodge deposits. The air scour can also be applied prior to the reverse flow of wash water.

*This definition was reprinted by permission from the "Dictionary of Filtration and Separation". The "Dictionary" contains over 1500 definitions and 400 diagrams and photos. More information on the "Dictionary" and order form can be found here.

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