Device and method for trapping non-aqueous-phase liquids prior to a permeable reactive barrier for the treatment of contaminated groundwater
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United States of America Patent
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Feb 6, 2018
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Feb 14, 2013
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Feb 17, 2012
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Abstract
A groundwater treatment system for collecting a non-aqueous-phase liquid (NAPL) in a flow path of contaminated water in a body of water, the contaminated water moving toward a permeable reactive barrier (PRB) including a treatment agent for treating the contaminated groundwater. The groundwater treatment system including a collection layer positioned up-gradient of the PRB and permeable to the NAPL and the contaminated water. The collection layer including a NAPL collecting element to inhibit the NAPL from flowing to the PRB.
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