Kerfoot Technologies, Inc. (formerly K-V Associates, Inc.)

C-SpargerGenesis of Ozone Sparging

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It all started with the belief that ozone, one of nature’s most powerful oxidants, could be deployed as small gaseous bubbles throughout the pores of a contaminated soil matrix to immediately react with and destroy volatile organic contaminants. From that belief, a new remediation method was born.

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The ozone sparging process (C-Sparge™) employs nano- to micro-sized bubbles of air encapsulated ozone created by injecting an air-ozone mixture through invisible pores in KTI’s Spargepoints. Pressure-pulsing the microbubbles of air/ozone through soil and groundwater yields rapid clean-up of a host of contaminants by means of in-situ chemical reactions that leave only water and beneficial oxygen as byproducts: O3 + 2H+ + e- ? O2 + 2H2O

Pulsing the air/ozone mixture enhances the process scrubbing capacity, gently pushes the bubbles through soil capillary pores, and by providing appropriately-sized bubbles, eliminates channeling.

In-situ ozone sparging treats a wide variety of contaminants: Saturated hydrocarbons such as petroleum hydrocarbons (alkanes); MTBE; 1,4 dioxane; chlorinated ethanes (1,1,1 TCA, DCA); and unsaturated hydrocarbons such as chlorinated ethenes (PCE, TCE, DCE, VC); BTEX; methylbenzenes; chlorinated phenols (PCP, DCP, etc.); energetic (RDX, HMX); polycyclic aromatic hydrocargons (PAH); PCBs; pesticides such as Heptachlor, Aldrin, Dieldrin.

  • Wide variety of treatable contaminants
  • Low Capital equipment/operating costs
  • Requires standard 120 VAC household current
  • Minimal installation site disturbance; low site profile
  • In-situ rapid destruction of targeted compounds
  • Clean reaction; no hazardous byproducts
  • No vapor control necessary
  • Pulsed microbubble oxidant injection ensures maximum contaminant contact

MODEL 5100 (WALL-MOUNT) C-SPARGER SPECIFICATIONS

  • ¾ or 1 HP (2-5 SCFM) continuous service compressor   
  • 8-16 gr/hr (0.42-0.84 lbs/day) ozone output
  • Delivery pressure up to 75 psig
  • 6-24 sparging zones
  • PSA oxygen concentrator
  • PLC controlled
  • 3/8” – ½” carrier tubing
  • 7 Panel dimensions:
  • Gas Panel: 43”W x 29.5”H x 12”D
  • Oxygen Panel: 18”W x 27”H x 10”D