backwash

listen to the pronunciation of backwash
Englisch - Englisch
The saliva, spit or food particles that have flowed back into a drink after someone has drunk from it
The similar flow of air from an aircraft engine
The backward flow of water from oars or propeller
The result or consequence of an event; an aftermath
Reverse of a solution's flow through a system Often used as a cleansing mechanism in sand and dual media filters Backwashing cleans and resettles the filter bed
The process in which beds of filter or ion exchange media are subjected to flow opposite to the service direction to loosen the bed and to flush suspended matter (collected during the service run) to waste
The process of cleaning particulate matter out of the filter media by reversing the flow of water
The process in which beds of filter or ion exchange media are subjected to flow opposite to the service flow direction to loosen the bed and to flush suspended matter, collected during the service run, to waste
The process of thoroughly cleaning the filter medium and/or elements by reversing the flow of water through the filter to waste
Reversing the flow of water through a filter to clean it of accumulated dirt and debris
a means of cleaning which involves reversing the flow of water through the filter, forcing the water and dirt out a "waste" line This is done by setting the backwash valve to the backwash position NOTE: never adjust this valve when the pump is running!
Disturbed water, caused by propeller action when ship is reversing
A reverse flow of liquid to remove solids from the filter This backwash can be from an outside source, raw water or other fluids, from the filtrate or compressed air or even an inert gas ( for safety reasons )
The process of cleaning the filter medium or septum by reversing the flow of water through the filter
the reversing of the flow of water through the filter and sending it to waste This procedure will thoroughly flush the filter, media and components Follow the manufacturer's instructions! Not all filters are routinely backwashed Sand filters should not be backwashed excessively: pay attention to the pressure gauge and vacuum whenever conditions indicate the need
(1) The seaward return of the water following the uprush of the waves Also called backrush or run down (2) Water of waves thrown back by an obstruction such as a ship, breakwater, cliff, etc
the flow of air that is driven backwards by an aircraft propeller
To clean the oil from (wool) after combing
The return water flow of swash This sheet of water flows back to ocean because of gravity
Reversing the flow of water through the filter to clean the elements and filter medium Typical part of maintenance for sand filters and some DE filters
the cleaning of the filtration system in a swimming pool
the consequences of an event (especially a catastrophic event); "the aftermath of war"; "in the wake of the accident no one knew how many had been injured"
Reversing the flow of water through the filter to clean the elements and filter medium Typical maintenance for sand filters and DE filters
The backwash of an event or situation is an unpleasant situation that exists after it and as a result of it. the backwash of the events of 1989 = repercussions
spitting of a liquid back into a bottle from which one is drinking
Reversed flow through a filter medium to remove filtered solids
{i} backflow of water; aftereffect, result
the wave that spreads behind a boat as it moves forward; "the motorboat's wake capsized the canoe"
A chemical compound that contains hydrogen ions, and has a pH of less than 7 0 acids close the cuticle layer of hair
The process of thoroughly cleaning the filter by reversing the flow of water through it with the dirt and rinse water going to waste
backwash
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