Integrated unit for intake and pretreatment with local backwashing
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United States of America Patent
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Jan 31, 2023
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N/A
app pub date -
Apr 14, 2017
filing date -
Apr 14, 2016
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Abstract
Locally backwashing portions of filter media allows a simple and effective design of intake and pretreatment units, as well as their integration. An enclosure is used to limit portions of filter media and backwash them locally by suction, utilizing filtered water from adjacent filter media as the back wash water. Wastewater is produced at small amounts that allows efficient sludge treatment. This design enables water pretreatment at the intake unit, simplifying overall plant design and preventing damage to organisms living outside the intake unit.
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