EWMA is constantly searching for ways to achieve remediation goals in a more efficient and cost-effective manner through innovative technologies. In this regard, one of the more promising technologies is phytoremediation, which can effectively remediate hundreds of thousands of low-level hazardous contaminant impacted sites worldwide (30,000 in the US), especially in the context of contaminated historic fill. Phytoremediation is a type of bioremediation that uses plants, herbs, and trees to absorb contaminant pollutants from air, water, and soil, and it has been used to clean up toxic metals, pesticides, solvents, explosives, petroleum hydrocarbons and even nuclear radiation.
EWMA has a long history of applying innovative technologies to benefit our clients. The latest emerging technology uses enzymes as a sustainable alternative for remediation of soil and groundwater. Enzymes are naturally occurring-chemicals found within living organisms. Enzyme remediation is a hybrid chemical/biological treatment technology in which these chemicals are used to accelerate the breakdown of hazardous compounds in soil and groundwater. Recent advancements in biology have allowed for the isolation and purification of these enzymes for various uses. The enzymes are grown and harvested under ideal conditions then injected into contaminated soil or water. This is advantageous because subsurface conditions do not have to be altered to grow bacteria for the removal of contamination. Also, the enzymes target the contamination more efficiently than other types of in-situ remediation, and it does not generate any waste or require any disposal. As a result, enzyme remediation has the potential to reduce the cost and time required to remediate sites impacted by organic compounds.
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