EDS-QR Quick Releas Electron Donor Solution

Soluble Substrate for Enhanced Anaerobic Bioremediation

To complement our Gas inFusion technologies, Tersus Environmental is proud to introduce EDS-QR (electron donor solution – quick release), a fast-acting, completely soluble amendment formulated with >98% natural seed oils engineered for enhanced reductive dechlorination of chlorinated solvents or any other anaerobically degradable substance. EDS-QR is an ideal choice for projects that are on a fast track. One injection will typically enhance biological activity for 2 to 3 months. Unlike water-based soluble products, EDS-QR is not affected by freezing temperatures.

Product

EDS-QR is a fast-acting water-soluble electron donor formulated with >98% natural seed oils. EDS-QR is provided as water mixable electron donor.

Purpose

EDS-QR is a simple, safe, low-cost solution for the bioremediation of halogenated compounds (e.g., PCE, TCE, DCE, VC, TCA, CT, etc.), perchlorate, explosives such as aromatic nitrates, energetic munitions residuals, nitrates, acids, radionuclides, select oxidized heavy metals, and other contaminants for projects that are on a fast track.

Configuration

EDS-QR applications are easily configured and tailored to meet site-specific conditions. Configurations include applications in grids, barriers and excavations. Because of its low viscosity, EDS-QR can be applied to the subsurface with direct-push injection, hollowstem auger, existing wells or re-injection wells.

Offers Cost Savings

Our EDS-QR technology has the potential to offer significant cost savings to the groundwater remediation industry. The passive nature of EDS-QR eliminates the large capital and operations/maintenance costs associated with active engineered systems. EDS-QR offers a faster and lower cost alternative to drawn out natural attenuation approach.

Benefits

• Completely soluble amendment which
  minimizes the number of injection points for
  low permeability structures, reducing overall
  capital costs
• A simple, safe, low-cost solution for the
  bioremediation of halogenated straight-chain
  and aromatic hydrocarbons, perchlorate,
  explosives such as aromatic nitrates,
  energetic munitions residuals, nitrates,
  acids, radionuclides, oxidized metals, and
  other contaminants
• Conforms to EPA’s EPP (Environmentally
  Preferable Purchasing) and USDA biobased
  criteria
• Made from renewable USA-grown cropbased
  oils
• Easily mixes with water for economical
  application
• Conforms to EPA's EPP (Environmentally
  Preferable Purchasing) and USDA biobased
  criteria
• No freeze thaw issues/li>

Field Applications

Because of its low viscosity, EDS-QR is an ideal substrate for injection using injection wells for source area, plume and reactive barrier applications. The low viscosity allows a greater volume of EDS-QR to be applied in a shorter period and increases the substrate delivery radius per point. The result is fewer injection points and overall shorter delivery time requirements per site. EDS-QR is also ideal for injection into the subsurface through injection wells or used in soil mixing and excavation projects.

Longevity

A single EDS-QR application provides a controlled release of electron donors for periods of up to 2 to 3 months.

Product Specifications & Packaging Options

Typical Properties
Appearance: Amber
Flash Point, °C (°F): 120 (248)
Viscosity (cSt): 53 @ 40°C
Specific Gravity: 1.22 @ 25°C
Biodegradability: Readily Biodegradable
Aquatic Toxicity: Non-toxic
Freezing Point °C (°F): *75% Oil in 25% Water Conc.

Packaging
Bulk 275 Gallon Totes
55 Gallon Drums
5 Gallon Pails

Convergence of Gas inFusion Technology & In Situ Remediation Technologies

The treatment of contaminants with EDS-QR is further enhanced with the addition hydrogen-enriched water, cometabolic gas enriched water, or carbon dioxide (CO2) supersaturated water. The addition of hydrogen-enriched water may reduce electron donor demand over the life of the project by as much as 50% thereby more than offsetting the cost of the gas inFusion technology and its application. The dissolved gas enriched water is added to EDS-QR as a dilution fluid, used as chase water, recirculation water, or a precondition waters for bioaugmentation culture.