METHOD AND SYSTEM FOR REMOVING CONTAMINANTS FROM SOIL
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United States of America Patent
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Issued Date -
Apr 13, 2023
app pub date -
Oct 4, 2022
filing date -
Oct 4, 2021
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Abstract
Methods, systems, and techniques for removal of PFAS contaminants from contaminated soil or sediment are provided. Example embodiments provide a water-based ex-situ method and system at a site that utilizes particle size and particle density segregation; deagglomeration, attrition, and retention time and sequential contacts with purified water; a recirculating water system with continual water treatment, and additional modules for destructive treatment of concentrated PFAS. In an example embodiment, the water treatment system of an example PFAS contaminant removal system and process includes ion exchange resin filtration component to remove PFAS effectively.
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