This is one of six different example models (all developed by Ted Eary of Enchemica) that illustrate how GoldSim can be used to carry out mixing and geochemical calculations. The models proceed from the simplest to the most complex. You can see an overview of all six models here.
This model is similar to this one in that it carries out the geochemical calculations directly in GoldSim. In some cases, however, it is not necessary to include all chemical processes and a simplified approach can be taken. In particular, this model provides an example of how to to calculate saturation indices for gypsum and calcite using fundamental aqueous chemistry principles. These two minerals are common causes of scaling in pipes or formation of precipitates due to the mixing of solutions. Saturation indices are a convenient indicator of the potential for precipitate formation due to conditions of solubility oversaturation.
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