Model assessment of reductive dechlorination as a remediation technology for contaminant sources in fractured clay

02-07-2009

The numerical model developed in Delrapport II is applied to three Danish sites contaminated with chlorinated solvents in clayey till. The cleanup times to achieve defined remediation criteria are assessed for different remediation scenarios: they are significantly reduced compared to baseline, but are still of several decades. Good distribution of substrate and bacteria as well as high reaction rates should be achieved to ensure an efficient remediation.

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