Ivey-sol Surfactant Enhanced Remediation Technology

Ivey International Inc.

Ivey-sol® Surfactant Technology is comprised of several patented and/or proprietary non-ionic surfactant formulations (biodegradable) that have the unique ability to selectively desorb sorbed (i.e., absorbed and/or adsorbed) COC, and make NAPL miscible in the aqueous phase. This includes the broad range of Light Non Aqueous Phase Liquids (LNAPL) like petroleum hydrocarbons (API >10), and the Dense Non Aqueous Phase Liquids (DNAPL) including chlorinated solvents (API <10).

Ivey-sol® has also been used for the remediation of recalcitrant compounds within fine to coarse soil textures, marine sediments and fractured bedrock, and within the groundwater table and associated smear-zones and capillary zones, with favorable results.

The three (3) main Ivey-sol® application processes that were developed over two (2) decades for enhancing in-situ and ex-situ remediation of: Vapors/VOC, Soil/Bedrock (sorbed), and Groundwater (Dissolved, LNAPL, and Smear-Zone) COC site remediation, are outlined as follows:

■ SER®        Surfactant Enhanced Remediation In-situ and ex-situ application processes to liberate sorbed and/or LNAPL COC making them more miscible (soluble) and more ‘Physically-Available’ for mass removal via ‘Push-PullTM’ or ‘Pump & Treatment’ type remediation methods. It is also very effective for ex-situ soil washing of COC for soil texture with >85-90% coarse textures;

■ SEB®        Surfactant Enhanced BioremediationIn-situ and ex-situ application processes to liberate contaminants making them more ‘Biologically Available’ for microbial (bacteria) and associated enzymatic degradation. SEB® improves both in-situ and/or ex-situ bioremediation treatment methods including bio-stimulation, bio-augmentation and newer enhanced biological techniques for aerobic, anaerobic and facultative microorganisms.

■ SEC®        Surfactant Enhanced ChemicalizationIn-situ and ex-situ application processes to liberate contaminants making them more ‘Chemically-Available’ for chemical REDOX (i.e. Reduction or Oxidation or combined) by chemical agents. SEC® improves the availability of the contaminants to the chemical REDOX, facilitating improved contact and reaction kinetics, to enhance the associated in-situ and/or ex-situ chemical reagent degradation of target COC. This process may also be modified for application with chemical REDOX reagents for ex-situ soil applications for a broad range of COC.