...
Flocculator Length (m) | 5 NTU | 25 NTU | 50 NTU | 100 NTU | 500 NTU |
|---|---|---|---|---|---|
28 | 10-50 | 10-50 | 10-66 | 20-60 | 10-90 |
Interval Increment | 5 | 5 | 7 | 5 | 10 |
56 | 10-50 | 10-50 | 10-66 | 20-60 | 10-90 |
Interval Increment | 5 | 5 | 7 | 5 | 10 |
84 | 10-50 | 10-50 | 10-66 | 20-60 | 10-90 |
Interval Increment | 5 | 5 | 7 | 5 | 10 |
The alum dose was varied in process controller using the increment function shown in Figure 1:
FIGURE 1: Process Controller setpoints used to vary the alum dose.
...