Method and system for controlling hydrophobic conditions and fouling in water intensive processes
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United States of America Patent
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Jan 21, 2025
Grant Date -
Mar 21, 2024
app pub date -
Dec 4, 2023
filing date -
Oct 7, 2016
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Abstract
In a water treatment system, a pretreatment chemical is added to water stream in a pretreatment process including a coagulation, flocculation and separation to reduce amount of dissolved and/or particulate matter in the water stream. Hydrophobic conditions in the water stream are monitored upstream or downstream from adding the pretreatment chemicals. Dosing of the pretreatment chemical to the water stream is controlled based on the monitored hydrophobic conditions. Thereby a membrane fouling in subsequent membrane filtration stage can be minimized.
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