Environmental Engineering Reference
In-Depth Information
(a)
(b)
Figure 5.2
Schematic representing application of the Solvent Extraction Residual
Biotreatment (SERB) technology. (a) Complex distribution of DNAPL in the subsur-
face. (b) Dissolution of DNAPL by cosolvent flushing technology. (c) Following
cosolvent extraction, separate and mixed areas of DNAPL and cosolvent exist in the
subsurface. (d) Development of bioactive zones conducive to the reductive dechlo-
rination of DNAPL.
