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Geothermal Energy

Science – Society – Technology

Fig. 8 | Geothermal Energy

Fig. 8

From: Hydrochemical and operational parameters driving carbonate scale kinetics at geothermal facilities in the Bavarian Molasse Basin

Fig. 8

Measured development and modeling of precipitation rates as a function of pressure at the investigated facilities with the indication of investigated time period, produced volume of geothermal water, fluid temperature, and modeling points. Red lines: scale rate modeled with existing hydrochemical models (PHREEQC). Green lines: scale rate modeled based on experimental regression between SI (x) and scale rate (f(x) = - 4.86 \(\cdot\) 10\(^{-6}\) + 2.96 \(\cdot\) 10\(^{-5}\) \(\cdot\) x) at the wellhead. *Scale thickness from Wanner et al. (2017) implemented (site 9), **Scale thickness based on data from Herbrich (2016) (site 8)

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