Method for cleaning a filtration installation of the type with immersed membranes
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United States of America Patent
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Apr 4, 2000
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N/A
app pub date -
Jul 30, 1998
filing date -
Nov 22, 1995
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Abstract
The invention relates to a method of cleaning a filtration installation of the type including a plurality of immersed membranes in at least one tank containing an effluent to be filtered, said method being characterised in that it includes the steps consisting of: at least partially draining the effluent contained in said tank in a way that exposes said membranes to the air; causing at least one cleaning solution to pass through said membranes along a flow path opposite to the filtration flow of the effluent by feeding in said cleaning solution from the permeate side of said membranes.
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