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Q1.The results of a batch settlement analysis carried out on a mixed suspension are given in the following Table 1.
Plot the cumulative velocity profile of the suspended solids and compute the predicted removal rate by settlement.
Number | Sample depth(m) | Sample time(h) | SS in sample (mg/l) |
1,2,3 | 1,2,3 | 0 | 222(averaged) |
4 | 1 | 1 | 140 |
5 | 1 | 3 | 108 |
6 | 1 | 6 | 80 |
7 | 2 | 1 | 142 |
8 | 2 | 3 | 110 |
9 | 2 | 6 | 106 |
10 | 3 | 1 | 142 |
11 | 3 | 3 | 130 |
12 | 3 | 6 | 124 |
13 | 4 | 1 | 147 |
14 | 4 | 3 | 126 |
15 | 4 | 6 | 114 |