Table 1
Comparison of water intake demands for two water systems for an integrated steel production site of 4 Mt/y [30].
| Water intake | Water savings with recirculation (%) | ||
|---|---|---|---|
| Water use | Once-through (m3/min) | Extensive recirculation (m3/min) | |
| Indirect cooling | 675 | 7.4 | 98.9 |
| Direct cooling | 265 | 6.2 | 97.7 |
| Process water | 7.7 | 5.1 | 33.8 |
| Potable | 1.5 | 1.5 | 0.0 |
| Global | 949.2 | 20.2 | 97.1 |
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