NAPL Phase (DNAPL/Napls) Services
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based in UNITED KINGDOM
This is a well used common approach, combining the removal of dissolved phase contaminants in groundwater in the saturated zone, together with vapour in the unsaturated zone by vacuum (slurping) also known as vacuum enhanced recovery (VER) and non-aqueous phase liquid (NAPL) or free phase product, from recovery well points. The ...
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based in USA
Because of past industrial practices, non-aqueous phase liquids (NAPLs) are present at many remedial sites. The regulatory community recognizes both the physical limitations associated with removal of NAPL from the subsurface and the potential for long-term groundwater and soil vapor degradation posed by NAPL. As a result, ...
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based in UNITED KINGDOM
A F Howland Associates has experience in investigation of sites contaminated with hydrocarbon products, specifically NAPLs (Non-Aqueous Phase Liquids) primarily of heating oil composition. Where contamination is suspected, exploratory holes are carried out to confirm of disprove its presence and standpipes are installed to allow in-situ ...
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by Dajakbased in USA
.' Applied correctly, the process can reduce contaminant levels and flux efficiently. It is important to note that chemical oxidation and reduction occur primarily in the aqueous phase. Because there is equilibrium between the non-aqueous and aqueous phases, by lowering the aqueous phase concentrations directly adjacent to the non-aqueous ...
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based in CANADA
Mobilizing contaminants for efficient mobilization and extraction. Surfactant flushing involves injecting a surfactant mixture into an aquifer impacted with Non-Aqueous Phase Liquids (NAPLs) to mobilize them. The surfactant and the mobilized NAPL are then removed through extraction wells, and either treated on-site or disposed of ...
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based in CANADA
Mobilizing contaminants for efficient extraction. Cosolvent flushing involves injecting a solvent mixture, such as water with alcohol, into an aquifer impacted with Non-Aqueous Phase Liquids (NAPLs) to solubilize and increase the mobility of the compounds. The solvent and the solubilized NAPL are then removed through extraction wells, and ...
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by VentEko JSCbased in LATVIA
Human activities or natural processes inevitably pose a risk of various types of unexpected contaminant releases into environment. In cases of such accidents quick response is of great importance in order to address immediate consequences, which can endanger humans and the environment. VentEko has a long-term experience and necessary material and technical support for immediate response in ...
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Manufactured by Claytek, Inc.based in CANADA
encountered in the field. CETCO can tailor remediation applications with a variety of solutions depending on site conditions. Caps can be designed with bulk granular media capable of adsorbing large quantities of NAPL and dissolved organic contaminants. ...
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based in CANADA
Successfully removing NAPL from the subsurface. IRSL staff have designed, installed, maintained and optimized numerous Non Aqueous Phase Liquid (NAPL) removal systems, including multi-phase extraction, skimmers (pneumatic and belt), dual phase and vacuum-based systems. For our Province of Ontario clients, we hold ...
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based in USA
Much of SSP&A"s current work involves the investigation of groundwater, soil and sediment contamination at regulated sites. We have amassed considerable experience in RCRA, CERCLA, and state programs ...
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based in USA
The most effective remedial actions result from the right combination of site investigations, evaluation of remedial alternatives, effective design engineering, and capable implementation. Since every contamination problem is unique, INTERAs knowledge and experience with a wide range of remedial approaches and technologies allow us to apply the best available methods. Our capabilities enable us ...
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by Dajakbased in USA
As people eat food and breathe air to derive energy for growth, so do the subsurface microbes that can beneficially remediate various contaminants. Fundamentally, bioremediation involves creating geochemical conditions conducive to microbial growth. As long as these organisms, sometimes called bugs, have something to eat and breathe, they will continue to grow and degrade the contaminants. The ...
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