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Table 2 Physical parameters and chemical composition of the Bruchsal geothermal fluid
From: Water–rock interactions in the Bruchsal geothermal system by U–Th series radionuclides
Flow rate [l/s] | Tsampling [°C] | Conductivity at 25 °C [mS/cm] | pH [] | Eh [mV] | TDS [g/l] | |
|---|---|---|---|---|---|---|
Mean | 25.5 | 21.5 | 155.6 | 5.3 | 81 | 131 |
Min | 23.3 | 18.7 | 152.5 | 5.0 | 91 | 127 |
Max | 29.5 | 26.0 | 158.1 | 5.9 | 72 | 135 |
K [mg/l] | Na [mg/l] | Ca [mg/l] | Mg [mg/l] | Cl [mg/l] | SO4 [mg/l] | |
|---|---|---|---|---|---|---|
Mean | 3523 | 40,543 | 9478 | 397 | 74,910 | 339 |
Min | 3309 | 38,134 | 9052 | 361 | 73,250 | 299 |
Max | 3642 | 42,765 | 9956 | 437 | 76,166 | 492 |
Sr [mg/l] | Ba [mg/l] | Br [mg/l] | HCO3 [mg/l] | Fe [mg/l] | Fe2+ [mg/l] | |
|---|---|---|---|---|---|---|
Mean | 387 | 9.2 | 312 | 341 | 50.1 | 32.7 |
Min | 362 | 6.7 | 284 | 255 | 49.2 | 26.3 |
Max | 400 | 9.6 | 341 | 374 | 51.5 | 44.4 |
Fe3+ [mg/l] | Mn [mg/l] | Pb [mg/l] | As [mg/l] | Al [mg/l] | Cd [mg/l] | |
|---|---|---|---|---|---|---|
Mean | 19.4 | 25.7 | 3.0 | 9.7 | 1.8 | 0.2 |
Min | 12.2 | 23.6 | 1.5 | 6.0 | 1.1 | 0.1 |
Max | 24.0 | 27.5 | 5.5 | 12.0 | 2.6 | 0.4 |