Environmentally friendly water intake and pretreatment system
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United States of America Patent
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Oct 24, 2023
Grant Date -
Mar 2, 2023
app pub date -
Sep 5, 2022
filing date -
Jun 7, 2016
priority date (Note) -
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Abstract
A water intake and pretreatment system (10) comprising an inlet for delivering water from a natural source to a reservoir (12); said inlet to reservoir having a net screen (16) to prevent entry of organisms above a predetermined size and including a one-way gate (30) to allow organisms to exit the reservoir; said reservoir further comprising a granular filter media for water and algae filtration; and a drainage layer for removal of filtered water from the granular filter media to a drainage outlet. A local backwashing apparatus (40) is included for localized backwashing of the granular filter media.
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