Contents

Laboratory Test

Actual facilities Test

pH

6.6

6.4

Electric Conductivity

5.9

10.8

Acid Consumption [mg CaCO₃/L]

21

27

Total Hardness [mg CaCO₃/L]

15.8

37

Calcium Hardness [mg CaCO₃/L]

7.6

26

Cl⁻ [mg/L]

<5

<5

SiO₂ [mg/L]

12.4

20

Fe [mg/L]

<0.1

<0.1

Cu [mg/L]

0.05

<0.01

${\text{SO}}_4^{2-}$ [mg/L]

<10

<10

${\text{NH}}_4^{+}$ [mg/L]

<0.1

<0.1

Free Carbon Dioxide [mg/L]

－

20