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Table 3 Silica Saturation Index (SSI) with and without seed addition

From: Kinetics of silica precipitation in geothermal brine with seeds addition: minimizing silica scaling in a cold re-injection system

pH Silica saturation index (SSI)
With seed Without seed
25 °C 40 °C 80 °C 25 °C 40 °C 80 °C
7 1.52 1.17 0.93 2.06 1.60 1.22
8 1.64 1.26 1.14 2.18 1.70 1.22
9 1.61 1.36 0.78 1.92 1.38 0.91