napl recovery News

  • Supersaturated Water Injection

    Passive Gas infusion is a patented technology that efficiently dissolves high concentrations of CO2 into water at elevated pressures. Supersaturated Water Injection (SWI) is an effective technology for NAPL recovery. CO2 supersaturated water injected into the subsurface results in the nucleation of CO2 bubbles at and away from the injection point. As the supersaturated liquid flows through the ...

  • Customer uses Sitelab to test LNAPL to map plume of subsurface oil

    Are you managing petroleum sites with subsurface plumes of non-aqueous phase liquids (NAPL) at an oil refinery, fuel storage site, military base or Brownfield site? If so, use Sitelab's oil forensics field screening application for testing NAPLs for their diesel range and gasoline range content. This case study illustrates a one-day site investigation on a 30-acre tank farm site where 40 ...


    By Sitelab Corporation

  • Ethoxylated Surfactants and 1,4-Dioxane Point of Interest!

    Many surfactants that have US FDA Direct Food Additive status are ethoxylated. Anytime you have an ingredient on your food label that says “polysorbate”, that’s an ethoxylated surfactant. The polysorbate surfactants are made by reacting fatty acids with a sugar molecule, then adding a polyethylene oxide chain to make it more water-soluble. As you may know, many environmental ...


    By Tersus Environmental, LLC

  • Tersus Hosts Webinar on Groundwater Recirculation for Additive Distribution

    When: Thursday, March 20, 2014  Space is limited.  Reserve your Webinar seat now at:  www2.gotomeeting.com/register/712355194 A primary limitation of in-situ remediation processes is the lack of contact between delivered amendments and the contaminants. ...


    By Tersus Environmental, LLC

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