Table 1 Parameters of in situ nZVI–AC injection
Parameter | Dimension |
|---|---|
nZVI–AC | 176.8 kg |
Fe0 (25% in nZVI–AC) | 44.2 kg |
CMC | 21.2 kg |
Oxygen-free tap water | 12.35 m3 |
nZVI–AC concentration | ~ 14.3 g/L |
CMC concentration | ~ 1.7 g/L |
Injection pressure | 0.5–4 bar |
Injection flow rate | 20–30 L/min |
Injection depth at each injection point | 13 m bgl |
Soil porosity | 30% |