Environmental Engineering Reference
In-Depth Information
chapter five
Chlorinated solvent
contaminated soils and
groundwater: field
application of the solvent
extraction residual
biotreatment technology
Guy Sewell, Susan C. Mravik, A. Lynn Wood, Michael Annable,
Randy Sillan, and Kevin Warner
Contents
5.1
Project background ...................................................................................... 60
5.1.1
In situ
flushing technology ............................................................ 61
5.1.2
Technology status: cosolvent flushing ......................................... 62
5.1.3
Biotransformation of chlorinated solvents and
subsurface microbial ecology ........................................................ 63
5.1.4
Technology status:
in situ
bioremediation................................... 65
5.1.5
Flask to field..................................................................................... 67
5.1.6
Biotreatment (SERB) technology................................................... 70
5.2
Objectives ...................................................................................................... 71
5.3
Technical approach ...................................................................................... 73
5.3.1
Laboratory process and microbial ecology ................................. 73
5.3.2
Field process and site evaluation ................................................. 74
5.3.2.1
Site description.................................................................. 74
5.3.2.2
Site/source zone characterization.................................. 74
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