In situ and on-site soil remediation techniques: a review
Abstract: Reliable in situ and on-site remediation techniques has been compiled and
summarized in order to review remedy options. These techniques have been
monitored by their general function, feasible environment, target
contaminants, removal efficiency, environmental impact, overall cost and
compatibleness with other remediation options. Few conclusions are possible
to make but a majority of the most efficient treatment methods tend to have
a major environmental impact and in most remedy options cost varies
substantially. Moreover, a high content of organic matter and clay combined
with low permeability in multi –element contaminated soil seems to pose
most difficulties for soil remedy selection. Often mentioned critical
variables in soil remediation technologies are the distribution efficiency
of a reactive media in the contaminated area and the reactivity of the
target compound/s present. Combined treatment could generally serve to
enhance contact contaminant/ added reactive media and thereby to lower
emissions. Combinations of methods have been discussed
based on literature.
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