backwash

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  • noun

Synonyms for backwash

the flow of air that is driven backwards by an aircraft propeller

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the consequences of an event (especially a catastrophic event)

the wave that spreads behind a boat as it moves forward

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References in periodicals archive ?
Backwashing cleans the filter to preserve water quality and also extends the life of the filter; however, backwashing too frequently can lead to degraded filter performance.
Anti-Clogging Water Distribution: The quality of filtration depends mostly on a good distribution of inlet water, the water and air backwashing and an homogeneous drainage in each point of filtering volume.
A new screen filter replaces the previous sand bed, thereby reducing the backwashing cleaning cycle from 90 sec to 12 sec.
Backwashing can be chemically enhanced to remove dissolved organics and bacteria through the use of alkalised agents, or a chlorine based disinfecting agent.
Replace your aging sand or DE filtering system with a cartridge filter that does not require backwashing and saves water.
As a result, the petroleum industry is cleaning up its act and profiting in numerous areas with self-cleaning filtration systems: from automated refinery catalyst bed protection systems that can save millions in lost production and wasted catalyst; to backwashing filters that minimize plugged-well risk and maximize platform productivity; to filters that enable slurry oil reuse at refineries for the first time; to those that eliminate operator exposure to dangerous amines.
When the filter vessel reaches its cleaning capacity, which is detected by a pressure switch, a backwashing cycle starts and clean filtered water is supplied to the machine's dielectric tank.
The mill also decided against using dissolved air flotation (DAF) clarifiers or backwashing pressure filters equipped with metallic filter elements.