Environmental Engineering Reference
In-Depth Information
Fig. 20.10
Typical
wind-powered ventilation
system
Fig. 20.11
Passive soil venting system tested at the Savannah River Site, USA
at the Savannah River Site, USA). These pressure differences can either result
in injection or extraction of air from soil, thereby extracting contaminants or
enhancing natural degradation processes by the injection of fresh air (Riha
2003
).
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