Science – Society – Technology
From: Dissolved organic compounds in geothermal fluids used for energy production: a review
Element/ion | NG1 | NG2 | NG3 | NG4 |
---|---|---|---|---|
Depth (m) | 850 | 1620 | 2455 | 4400 |
Temperature (\(^{{\circ }}\hbox {C}\)) | 34 | 64 | 98 | 150 |
K | 379 | 446 | 782 | 2560 |
Na | 690,000 | 74,700 | 80,010 | 33,600 |
Ca | 1360 | 1540 | 8409 | 45,400 |
Mg | 914 | 1070 | 1410 | 233 |
Sr | 39.5 | n.m | 440 | 1290 |
Fe | 4.8 | 31 | 60 | 47.1 |
Li | 0.65 | n.m | 8.3 | 212 |
Mn | 0.14 | 1.2 | 10 | 131 |
TDS | 187,000 | 199,000 | 221,000 | 265,000 |
Cl | 108,000 | 116,800 | 137,000 | 138,384 |
Br | 62 | 111 | 390 | 215 |
\(\hbox {SO}_{4}\) | 3360 | 3830 | 470 | 94.4 |
\(\hbox {HCO}_{3}\) | 253 | 247 | 40 | n.m |
\(\hbox {NH}_{4}\) | 27.2 | n.m | n.m | 14.2 |
DOC | 4.9 | 5.16 | 22.8 | 23.4 |
Formate | ||||
 (\(\hbox {mg}\,\hbox {L}^{-1}\)) | n.d | 0.7 | 0.3 | 24.7 |
 (\(\hbox {mg}\,\hbox {C}\,\hbox {L}^{-1}\)) | n.d | 0.19 | 0.08 | 6.6 |
Acetate | ||||
 (\(\hbox {mg}\,\hbox {L}^{-1}\)) | n.d | 0.9 | 44.95 | 1.2 |
 (\(\hbox {mg}\,\hbox {C}\,\hbox {L}^{-1}\)) | n.d | 0.37 | 18.29 | 0.49 |
Propionate | ||||
 (\(\hbox {mg}\,\hbox {L}^{-1}\)) | n.d | n.d | 1.4 | n.d |
 (\(\hbox {mg}\,\hbox {C}\,\hbox {L}^{-1}\)) | n.d | n.d | 0.69 | n.d |
\(\sum\)LMWOA | ||||
 (\(\hbox {mg}\,\hbox {L}^{-1}\)) |  | 1.8 | 46.65 | 29.77 |
 (\(\hbox {mg}\,\hbox {C}\,\hbox {L}^{-1}\)) |  | 0.56 | 19.09 | 8.11 |