SYSTEMS AND METHODS FOR TREATMENT OF CONTAMINATED FOAM STREAMS USING SURFACTANTS
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United States of America
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Issued Date -
Dec 5, 2024
app pub date -
Apr 30, 2024
filing date -
Apr 30, 2024
priority date (Note) -
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Abstract
A method for using foam fractionation to remove a PFAS contaminant from a water source is disclosed herein. The method includes providing a feed stream to an inlet of an active column. The method also includes introducing the feed stream into an interior of the active column. The method also includes flowing gas through an active column into the interior of the active column. The method also include rising gas through the feed stream in the interior of the active column to form gas bubbles in the feed stream. The method also includes forming a foam layer. The method also includes, in instances where insufficient foam is generated due to depletion of surfactant in the earlier columns, adding additional surfactant through ports located in various columns throughout the system to ensure the presence of sufficient surfactant in all columns and optimize the volume of foam produced in each stage.
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