Fitting situation table of direct UF and EC/O-UF membrane fouling model
| Model . | Without pretreatment . | Electric flocculation/oxidation pretreatment . | ||
|---|---|---|---|---|
| R2 . | Characteristic parameters . | R2 . | Characteristic parameters . | |
| Completely blocked–standard blocked | 0.94852 | Kb = 2.79 × 10−5 s−1 | 0.91146 | Kb = 4.95 × 10−6 s−1 |
| Ks = 8.63 m−1 | Ks = 11.14 m−1 | |||
| Completely blocked–standard blocked | 0.97295 | Kc = 5.81 × 104 s/m2 | 0.95368 | Kc = 0.74 × 104 s/m2 |
| Ks = 8.85 m−1 | Ks = 3.99 m−1 | |||
| Incomplete clogging–filter cake clogging | 0.68932 | Kc = 2.02 × 104 s/m2 | 0.85747 | Kc = 1.35 × 104 s/m2 |
| Ki = 71.18 m−1 | Ki = 43.38 m−1 | |||
| Incomplete clogging–filter cake clogging | 0.76075 | Ki = 5.05 m−1 | 0.98548 | Ki = 5.05 m−1 |
| Ks = 1.66 m−1 | Ks = 8.37 m−1 | |||
| Standard clogging–filter cake clogging | No fit trend | — | No fit trend | — |
| — | — | |||
| Completely blocked | 0.96584 | Kb = 1.95 × 10−4 s−1 | 0.82745 | Kb = 0.94 × 10−5 s−1 |
| Standard blockage | 0.91496 | Ks = 4.28 m−1 | 0.97295 | Ks = 3.28 m−1 |
| Filter cake clogged | 0.74034 | Kc = 2.09 × 104 s/m2 | 0.85397 | Kc = 0.60 × 104 s/m2 |
| Not completely blocked | 0.85134 | Ki = 9.22 m−1 | 0.81632 | Ki = 5.31 m−1 |
| Model . | Without pretreatment . | Electric flocculation/oxidation pretreatment . | ||
|---|---|---|---|---|
| R2 . | Characteristic parameters . | R2 . | Characteristic parameters . | |
| Completely blocked–standard blocked | 0.94852 | Kb = 2.79 × 10−5 s−1 | 0.91146 | Kb = 4.95 × 10−6 s−1 |
| Ks = 8.63 m−1 | Ks = 11.14 m−1 | |||
| Completely blocked–standard blocked | 0.97295 | Kc = 5.81 × 104 s/m2 | 0.95368 | Kc = 0.74 × 104 s/m2 |
| Ks = 8.85 m−1 | Ks = 3.99 m−1 | |||
| Incomplete clogging–filter cake clogging | 0.68932 | Kc = 2.02 × 104 s/m2 | 0.85747 | Kc = 1.35 × 104 s/m2 |
| Ki = 71.18 m−1 | Ki = 43.38 m−1 | |||
| Incomplete clogging–filter cake clogging | 0.76075 | Ki = 5.05 m−1 | 0.98548 | Ki = 5.05 m−1 |
| Ks = 1.66 m−1 | Ks = 8.37 m−1 | |||
| Standard clogging–filter cake clogging | No fit trend | — | No fit trend | — |
| — | — | |||
| Completely blocked | 0.96584 | Kb = 1.95 × 10−4 s−1 | 0.82745 | Kb = 0.94 × 10−5 s−1 |
| Standard blockage | 0.91496 | Ks = 4.28 m−1 | 0.97295 | Ks = 3.28 m−1 |
| Filter cake clogged | 0.74034 | Kc = 2.09 × 104 s/m2 | 0.85397 | Kc = 0.60 × 104 s/m2 |
| Not completely blocked | 0.85134 | Ki = 9.22 m−1 | 0.81632 | Ki = 5.31 m−1 |