Electrodialysis reversal
| Item (unit) |
Raw water |
Produced water |
| Sodium ion (mg/L) |
236 |
42 |
| Chloride ion (mg/L) |
587 |
40 |
| Total hardness (mg/L) |
567 |
60 |
| TDS (mg/L) |
1,500 |
180 |
| SiO2 (mg/L) |
55 |
53 |
| Conductivity (μS/cm) |
2,340 |
307 |
| Recovery rate (%) |
85 |
| Desalination rate (%) |
88 |
| Power consumption (KWH/m3) |
0.47 |
|
| ・ |
Enable to produce drinking water by removing hardness component and salt with low power consumption. |
| ・ |
Enable to treat raw water with high SiO2concentration and achieve a high recovery rate. |
Electrodialysis reversal
| Item (unit) |
Raw water |
Produced water |
| Nitrate nitrogen (mg/L) |
45 |
3 |
| Total hardness (mg/L) |
314 |
70 |
| TDS (mg/L) |
555 |
168 |
| Conductivity (μS/cm) |
770 |
240 |
| Recovery rate (%) |
80-85 |
| Desalination rate (%) |
70 |
| Nitrate nitrogen removal rate (%) |
93 |
| Power consumption (KWH/m3) |
0.4 |
|
・Nitrate nitrogen is removed efficiently.
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