| Title | Thermodynamic Modelling of Water Chemistry in Geothermal Systems |
|---|---|
| Authors | Ida A. KIRKNEL, Thomas WERGE-GROSS, Dorthe J. KANN, Kaj THOMSEN, Philip L. FOSBØL |
| Year | 2020 |
| Conference | World Geothermal Congress |
| Keywords | thermodynamics, modelling, scale formation, extended UNIQUAC, geothermal brine |
| Abstract | Thermodynamic modelling of a geothermal system in Denmark exhibited conditions for precipitation in the production well where BaSO4, SrSO4, CaCO3 and FeCO3 precipitated. Precipitation in the topside facilities were identified as CaCO3 and BaSO4. No precipitation was found in the injection well or in the mixing between injected brine and the original brine found in the reservoir. The lack of precipitation in these sections of the system are due to the assumption that the kinetics of the reactions are not accounted for. |