Metals Remediation Compound
A controlled release product that simultaneously removes a range of dissolved metals from groundwater.
Introduction
Metals Remediation Compound (MRC™) is a controlled release product designed for heavy metal soil remediation that simultaneously removes a range of dissolved metals from groundwater via in-situ immobilisation and provides a substrate for biodegradation of chlorinated compounds.
MRC™ is a non-toxic proprietary organo-sulphur and polylactate polymer compound that is manufactured as a viscous gel. When hydrated it slowly releases its active ingredient, a benign organic sulphur compound (OSC) as well as lactate. The OSC reacts rapidly and irreversibly with dissolved heavy metals in soil such as arsenic, cadmium, cobalt, copper, lead, mercury, nickel, and zinc, biding them into the aquifer matrix as immobile mineral solids.
Remediation techniques
MRC™ continues to release the OSC and dissolved hydrogen for 12 to 24 months depending on aquifer conditions, thereby removing any additional metals that may come into its zone of influence throughout this period. As a "food grade" material MRC™ presents no toxicity issues related to it and will not displace contamination into new areas and leaves no residue once its active material has been released.
Site Clearance
Before work can begin, it is often necessary to clear the site of any existing structures, vegetation, and waste.
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