Geofluids / 2019 / Article / Tab 5

Research Article

A Review of the Hydrochemistry of a Deep Sedimentary Aquifer and Its Consequences for Geothermal Operation: Klaipeda, Lithuania

Table 5

Calculated saturation indices for the Klaipeda 2P brine sampled on 1/4/16, at 37°C and 11°C, using PHREEQC Interactive version 3.3.5 [29] and the Pitzer thermodynamic database.

PhaseSI (37°C)SI (11°C)Formula

Dolomite0.580.04CaMg(CO3)2
Calcite0.350.11CaCO3
Celestite0.130.04SrSO4
Aragonite0.04-0.1CaCO3
Gypsum0.010.06CaSO4·2H2O
Barite-0.080.27BaSO4
Anhydrite-0.15-0.43CaSO4
Quartz-0.180.22SiO2
Chalcedony-0.57-0.25SiO2
Magnesite-0.63-0.68MgCO3
Goergeyite-1.250.5K2Ca5(SO4)6H2O
SiO2 (amorphous)-1.42-1.18SiO2
Halite-1.71-1.67NaCl
Mirabilite-2.92-1.78Na2SO4·10H2O
Sylvite-3.05-2.77KCl
Thenardite-3.1-3.23Na2SO4
Epsomite-3.19-2.91MgSO4·7H2O
Brucite-5.25-6.26Mg(OH)2

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