Biogenic Sorption of Contaminants
Creates positive charge on substrate to remove hazardous metal contaminants
Innovators in ERDC’s Environmental Laboratory (EL), in collaboration with researchers at the University of Notre Dame, have developed a biogenic substrate material used for the remediation of sites contaminated by heavy metals. The biogenic material enables a chemical reaction that provides a net positive charge on the substrate. When the substrate is placed in direct contact with polluted soil or water, its charge attracts the negatively charged ions of the metals, facilitating the absorption and removal of toxic contaminants from surface water, ground water, soil, or sediment.
Industrial direct leakage or indirect leaching of wastes produce contaminated soils and waters, which then migrate into surrounding areas. Current technologies for removal face challenges including the cost of treatment and the production of hazardous materials. This biogenic substrate absorbs and removes contaminants without producing new hazardous materials or waste, and with reduced processing and cleanup costs. EL’s breakthrough method is a game-changer for the remediation of soil and water that has been dangerously contaminated by heavy metals.
- Safer: Removes heavy metals and toxins from soil, surface water, or groundwater
- Lower cost: Requires fewer costs because treatment media are less expensive
- Effective: Demonstrates significant arsenate removal efficiencies with charged substrate
- Flexible: May be used with a permeable reactive barrier, a direct well injection, or direct remediation into soil or sediment
- Environmental remediation (e.g., groundwater, soil)
- Military (e.g., expeditionary forces, remediation)
- Oil & gas (e.g., contaminant spills, manufacturing)
- Utilities (e.g., remediation)
- Coming Soon