SYSTEM FOR REMOVING PER- AND POLYFLUORINATED ALKYL SUBSTANCES FROM CONTAMINATED AQUEOUS STREAMS, VIA CHEMICAL AIDED FILTRATION, AND METHODS OF USE THEREOF
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 30, 2025
app pub date -
Oct 15, 2024
filing date -
Oct 15, 2024
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Abstract
A system comprising an agitation and flocculation system and a particulate filter capture system, and optionally a feedback system and/or an ion exchange resin system. The agitation and flocculation system configured to receive a contaminated aqueous stream and an anhydrite quantity, and comprising means for agitating the aqueous stream and a means for mixing the aqueous stream with the anhydrite, such that a precipitate of calcium+contaminant complexes is formed. Also, a system comprising a fixed-bed type cross-flow system and a particulate filter capture system, and a corresponding method of removing per- and polyfluorinated alkyl substances from the contaminated aqueous stream. The method comprising the acts of: providing an anhydrite quantity; contacting and agitating the anhydrite quantity with a contaminated aqueous stream; and collecting the precipitate of calcium+contaminant complexes formed from the aqueous stream.
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