Screening apparatus for water treatment with membranes
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United States of America Patent
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N/A
Issued Date -
Jan 12, 2006
app pub date -
Jun 29, 2005
filing date -
Jul 1, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A static screen used upstream of a membrane assembly within a water treatment system has a screening surface with a number of openings distributed over its area. Liquid flows through the screening surface to reach the membrane assembly. Various shapes of screening surfaces are described including undulating panels and geometric shapes. Methods for cleaning the screen are described including aeration and backwashing. Various treatment systems or process designs incorporating the screen are described.
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