Permeable reactive barrier passes time test

Academics have assessed the performance of Europe’s oldest zero-valent iron permeable reactive barrier. They concluded it is a reliable long-term remediation method for groundwater clean-up

A team of academics has evaluated the long-term performance of a technology used to remediate groundwater contaminated with trichloroethene (TCE).1 Their focus was Europe’s oldest commercially installed zero-valent iron permeable reactive barrier (ZVI PRB).

Installed in December 1995, by Keller Ground Engineering and Golder Associates, it treats historical contamination beneath Nortel Networks’ site at Monkstown, Newtownabbey, near Belfast. The project was one of the first to be reported by the Contaminated Land: Applications in Real Environments (CLAIRE) initiative (ENDS Report 332, p 13).

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