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Adding activated carbon to sediments has been shown to be an effective means of reducing the bioavailability of certain contaminants. The current state of the practice is to mechanically mix activated carbon to a target concentration of 3 percent at depths of approximately 30 cm using a rotovator or similar construction equipment. Waterjets have been used to cut hard material using a mixture of water...
While the techniques and technologies associated with contaminated sediment remediation are relatively mature, there are several issues associated with these practices that make them unattractive. The inability of currently used mechanical mixing implements to place amendments in aqueous environments and their intrusive behavior toward benthic communities are just two examples of a necessity for an...
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