Remediation Of Trichloroethylene By
Zero-valent Iron Permeable Reactive Barriers
Author(s)
M.C. Zanetti, S. Fiore & G. Genon
Abstract
Trichloroethylene (TCE), belonging to the class of Dense Non-Aqueous Phase
Liquids (DNAPLs), is a contaminant which is very persistent and widespread in
groundwater because of its massive industrial use in past decades (i.e. in the
metallurgical, textile and dye production industries).
Among the in situ remediation technologies for the recovery of groundwaters
polluted by chlorinated solvents, zero-valent iron Permeable Reactive Barriers
(PRBs) have a primary importance; this technique, developed in Canada in the
nineties, is based on the reductive action of zero-valent iron in a dechlorination
process. The PRB is set perpendicularly to the groundwater flow direction, and
chlorinated solvents are converted to non-toxic products, such as alkanes and
alkenes, through various reaction pathways.
In this wo
Keywords
Related Book
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