Sludge Dewatering Chamber

FIG. 9.17.9 Typical treatment trains. (Reprinted from North Atlantic Treaty Organization, 1993, Demonstration ofremedial action technologies for contaminated land and groundwater, Vol. 2, pt. 2, no. 190, EPA/600/R-93/012, NATO Committee on the Challenges of Modern Society.)

surface drains are not suited to poorly permeable soils, to deep contaminant plumes, or beneath existing sites. In addition, subsurface drains require continuous and careful monitoring to assure adequate leachate collection and prevent pipe clogging.

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