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Showing 1 to 7 of 7 for “"LNAPL"”.
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Biotic control of LNAPL longevity - laboratory and field- scale studies
… for managing light nonaqueous phase liquids (LNAPLs). Unfortunately, little is known about NSZD rates over extended periods of time, where heterogeneous redox conditions and changing LNAPL saturations may influence processes governing losses. Understanding long-term rates is central to …
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Method comparison for analysis of LNAPL natural source zone depletion using CO₂ fluxes
… referred to as Light Non-Aqueous Phase Liquids (LNAPLs), are a common occurrence in the industrial world. Given potential risks to human health and the environment, effective remediation approaches are needed to address impacts. Natural source zone depletion (NSZD) is a remedial approach gaining …
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Processes controlling the behavior of LNAPLs at groundwater surface water interfaces
Releases of Light Non-Aqueous Phase Liquids (LNAPLs) are a significant problem at many sites. This thesis explored governing processes pertaining to LNAPL releases at groundwater surface water interfaces (GSIs). Governing processes were investigated via laboratory studies and a preliminary analysis …
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Effect of water table fluctuations on petroleum contamination distribution
… The experimental Light Non Aqueous Phase Liquid (LNAPL) was No. 2 Diesel fuel and the experimental media was sand (Sieve 20). A known quantity of fuel (5.65 Liters) was leaked into the tank at a leak rate of 0.75 L/hr. The water table level was raised at four different rates, 0.2, 1.4, 9.8, and 20 …
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Dynamics of residual non-aqueous phase liquids in porous media subject to freeze-thaw
… of residual light non-aqueous phase liquid (LNAPL), and dense non-aqueous phase liquid (DNAPL), in porous media subject to successive freeze-thaw cycles; (ii) three-dimensional experiments on LNAPL in porous media subject to freeze-thaw, with quantification of phase volumes by X-ray …
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Evaluation of the possibility of using ultrasound for the remediation of a sandy aquifer polluted by light nonaqueous phase (LNAPL) : case study, fuel spill 12 at the Massachusetts Military Reservation
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Computational Tools for Improved Analysis and Assessment of Groundwater Remediation Sites
Remediation of contaminated groundwater remains a high-priority national goal in the United States. Water is essential to life, and new sources of water are needed for an expanding population. Groundwater remediation remains a significant technical challenge despite decades of research into this …