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Geothermal Energy

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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

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