BOS 200 Geoprobe Injection - accelerated biodegradation on an activated carbon platform

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Numac completed the first direct injection of BOS200 in Sydney Australia on the 22nd of March 2022. Using a Geoprobe direct push drill rig and a custom designed and built injection system, the BOS200 was injected directly into the formation under high pressure. Also in Sydney BOS200 activated carbon was used to create a permeable reactive barrier (PRB) using a trench and soil mixing for prevent offsite plume migration.
BOS 200® is a complete system effecting accelerated biodegradation processes on an activated carbon platform. The coupling of sorption and degradation mechanisms reduces the potential for contaminant rebound frequently encountered with conventional remediation technologies.
BOS 200® has been used for the successful treatment of petroleum hydrocarbons (including LNAPL source zones), fuel oxygenates, alcohols, glycols, and cyclic ethers in hundreds of contaminated sites worldwide.
Sorption into the carbon pore space can significantly retard contaminant migration and decrease concentrations in the aqueous phase (five grams of activated carbon have an internal surface area similar to the surface of a professional soccer field!). Additionally, retaining contaminants in the carbon matrix allows longer residence time for contaminants to be degraded by reactive amendments.