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Geothermal Energy

Science – Society – Technology

Table 1 Concentrations of ions in a saturated NaCl-brine based on the fractions for the Prairie Evaporite

From: Evaluation of NaCl and MgCl2 heat exchange fluids in a deep binary geothermal system in a sedimentary halite formation

 

Unit

Prairie Evaporite

Temperature

°C

30

Na+

mol kg−1

8.46

Cl−

mol kg−1

9.71

Mg2+

mol kg−1

5.02 × 10–4

K+

mol kg−1

1.78 × 10–2

Ca2+

mol kg−1

2.59 × 10–2

Fe3+

mol kg−1

2.72 × 10–6

SO42−

mol kg−1

3.69 × 10–2

  1. Provided by Christie (2015), as in Moore and Holländer (2017)
  2. Values presented are field measurements
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