Fig. 8: Saturation index for the main components of the solid precipitates. | npj Clean Water

Fig. 8: Saturation index for the main components of the solid precipitates.

From: Turning mine-tailing streams into sources of water and mineral salts in a membrane-sustained circular scenario

Fig. 8

SI calculated at the effective concentration factors at the end of the crystallization tests for the component species and at the different temperatures, for hypersaline synthetic solution (A), synthetic solution after basic treatment (B), real wastewater from mines (C), real wastewater after basic treatment (D). The shaded areas highlight the negative SI region.

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