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Geothermal Energy

Science – Society – Technology

Fig. 3 | Geothermal Energy

Fig. 3

From: Copper precipitation as consequence of steel corrosion in a flow-through experiment mimicking a geothermal production well

Fig. 3

Measured solution parameters in experiments A–E. a Eh and pH values at 25 (A), 50 (B), and 80 (C) °C in the collection container. b Cu and Fe concentrations measured over time in samples from the sampling line. c Cu concentration at 80 °C experiments in brine collected from the sampling line (C); in deionized water (D); in brine with stainless steel capillary (E). Details on experiments A, B, C, D, E are explained in Table 1

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