Supersaturated Water Injection

Passive Gas infusion is technology that dissolves CO2 into water under pressure for NAPL recovery. As the supersaturated liquid flows through the porous medium, gas evolution occurs in situ as the system returns to thermodynamic equilibrium.  Supersaturated Water Injection (SWI) offers the following benefits:

  • LNAPL and DNAPL recovery enhancement system for trapped and immobile NAPL mass
  • Uses carbon dioxide to strip volatile NAPL component for capture in the unsaturated zone
  • Mobilizes liquid NAPL trapped in aquifer matrix for recovery
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