Table 4 Inverse sequence computation data of OUR.
From: Wastewater COD characterization: RBCOD and SBCOD characterization analysis methods
Time/min | Mean/mgO2/(L h) | k′ | r′ | Sk′ | E(Sk)′ | Var(Sk)′ | UF(Sk)′ |
|---|---|---|---|---|---|---|---|
0 | 11.3 | 1 | 0 | 0 | 0 | 0 | 0 |
5 | 11.2 | 2 | 0 | 2 | 0.5 | 0.25 | 3.00 |
10 | 11 | 3 | 0 | 3 | 1.5 | 0.92 | 1.57 |
15 | 12.4 | 4 | 3 | 4 | 3 | 2.17 | 0.68 |
20 | 12.6 | 5 | 4 | 8 | 5 | 4.17 | 1.47 |
25 | 13.2 | 6 | 5 | 10 | 7.5 | 7.08 | 0.94 |
30 | 13.8 | 7 | 6 | 12 | 10.5 | 11.08 | 0.45 |
35 | 15.4 | 8 | 7 | 14 | 14 | 16.33 | 0.00 |
40 | 16.4 | 9 | 8 | 16 | 18 | 23.00 | − 0.42 |
45 | 17.9 | 10 | 9 | 18 | 22.5 | 31.25 | − 0.80 |
50 | 17.8 | 11 | 9 | 20 | 27.5 | 41.25 | − 1.17 |
55 | 18.6 | 12 | 11 | 21 | 33 | 53.17 | − 1.65 |
60 | 20.7 | 13 | 12 | 24 | 39 | 67.17 | − 1.83 |
65 | 22.2 | 14 | 13 | 26 | 45.5 | 83.42 | − 2.14 |
70 | 28.8 | 15 | 14 | 28 | 52.5 | 102.08 | − 2.42 |
75 | 39.6 | 16 | 15 | 30 | 60 | 123.33 | − 2.70 |
80 | 46.8 | 17 | 16 | 32 | 68 | 147.33 | − 2.97 |