Table 1.
Physico-chemical characteristics of the different aquifers connected to the reactors.
| Site | Sampled water | pH | T °C | Fe2+ μM | O2 μM | Alk μM | DIC μM C | DOC μM C | TDS μM C | H2S μM | NH4 μM | NO3 μM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TASF (Fe2+-poor) | Aquifer | 7.98 | 12 | 0.89 | 3.7 | 110 | 133 | 183 | 23.6 | 0.53 | 0.61 | 1.05 |
| R1# | 7.94 | 12 | 0.89 | 32.5 | 110 | 133 | 167 | 23.5 | 0.53 | 0.67 | 1.03 | |
| TASA (1327B Fe2+-rich) | Aquifer | 7.41 | 15 | 25.8 | 2.2 | 3277 | 1691 | 492 | 5.1 | 1.88 | 215 | 0.12 |
| R1# | 7.40 | 15 | 27.1 | 7.2 | 3277 | 1933 | 617 | 5.1 | 1.17 | 217 | 1.15 | |
| R2# | 7.39 | 15 | 26.4 | 3.9 | 3245 | 1825 | 558 | 4.9 | 0.88 | 212 | 1.48 |
#
R1 and R2 are aerated and non-aerated flow reactors, respectively.