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Mineral | Formula | Heating (injection) | Max | Cooling (extraction) | |||||
---|---|---|---|---|---|---|---|---|---|
10 °C | 40 °C | 70 °C | 120 °C | 100 °C | 70 °C | 10 °C | |||
Anhydrite | CaSO4 | SI | − 0.46 | − 0.14 | 0.10 | 0.33 | 0.26 | 0.10 | − 0.46 |
Bischofite | MgCl2 * 6H20 | SI | − 6.58 | − 6.38 | − 6.20 | − 6.00 | − 6.07 | − 6.20 | − 6.58 |
Brucite | Mg(OH)2 | SI | − 6.51 | − 6.48 | − 6.19 | − 5.84 | − 5.94 | − 6.19 | − 6.50 |
Carnallite | KMgCl3:6H2O | SI | − 7.41 | − 7.63 | − 7.74 | − 7.80 | − 7.79 | − 7.74 | − 7.41 |
Glauberite | Na2Ca(SO4)2 | SI | − 1.02 | − 0.71 | − 0.48 | − 0.27 | − 0.32 | − 0.48 | − 1.03 |
Goergeyite | K2Ca5(SO4)6H2O | SI | 0.32 | − 1.54 | − 2.59 | − 3.47 | − 3.21 | − 2.60 | 0.32 |
Gypsum | CaSO4:2H2O | SI | − 0.16 | − 0.22 | − 0.30 | − 0.51 | − 0.41 | − 0.30 | − 0.16 |
Halite | NaCl | SI | 0.00* | 0.00* | 0.00* | 0.00* | 0.00* | 0.00* | 0.00* |
Kieserite | MgSO4: H2O | SI | − 5.99 | − 5.64 | − 5.19 | − 4.42 | − 4.72 | − 5.16 | − 5.99 |
Polyhalite | K2MgCa2(SO4)4 * 2H2O | SI | − 8.82 | − 9.01 | − 9.73 | − 11.9 | − 10.9 | − 9.7 | − 8.82 |
Sylvite | KCl | SI | − 1.98 | − 2.24 | − 2.42 | − 2.63 | − 2.56 | − 2.42 | − 1.98 |
pH | 7.0 | 6.3 | 5.9 | 5.7 | 5.8 | 6.0 | 7.0 | ||
Ca | Ca2+ | mol kg−1 | 2.59 × 10–2 | 2.59 × 10–2 | 2.59 × 10–2 | 2.59 × 10–2 | 2.59 × 10–2 | 2.59 × 10–2 | 2.59 × 10–2 |
Cl | Cl− | mol kg−1 | 6.74 | 6.85 | 7.09 | 7.57 | 7.37 | 7.01 | 6.74 |
Fe | Fe3+ | mol kg−1 | 2.76 × 10–6 | 2.76 × 10–6 | 2.76 × 10–6 | 2.76 × 10–6 | 2.76 × 10–6 | 2.76 × 10–6 | 2.76 × 10–6 |
K | K+ | mol kg−1 | 1.78 × 10–2 | 1.78 × 10–2 | 1.78 × 10–2 | 1.78 × 10–2 | 1.78 × 10–2 | 1.78 × 10–2 | 1.78 × 10–2 |
Mg | Mg2+ | mol kg−1 | 5.02 × 10–4 | 5.02 × 10–4 | 5.02 × 10–4 | 5.02 × 10–4 | 5.02 × 10–4 | 5.02 × 10–4 | 5.02 × 10–4 |
Na | Na+ | mol kg−1 | 5.47 | 5.58 | 5.81 | 6.29 | 6.10 | 5.82 | 5.47 |
S | SO42− | mol kg−1 | 3.69 × 10–2 | 3.69 × 10–2 | 3.69 × 10–2 | 3.69 × 10–2 | 2.856 × 10–2 | 3.69 × 10–2 | 3.69 × 10–2 |
ΔHalite | Incremental | mol kg−1 | 0 | 1.11 × 10–1 | 2.39 × 10–1 | 4.79 × 10–1 | − 1.96 × 10–1 | − 2.82 × 10–1 | − 3.48 × 10–1 |
ΔHalite | Total | mol kg−1 | 0 | 1.11 × 10–1 | 3.50 × 10–1 | 8.29 × 10–1 | 6.33 × 10–1 | 3.51 × 10–1 | 3.33 × 10–3 |