Table 3.
Kinetic coefficients for sorption of organic compounds by activated sludge.
Organic fraction | k (L/mg·min) | a | References |
---|---|---|---|
<0.45 µm | 0.01–0.56 × 10−4 | 6–27 mgTOC/L | (Jorand et al., 1995) |
Nonsettleable > 0.22 µm | 1.0–5.5 × 10−4 | ∼40 mgCOD/L | (Guellil et al., 2001) |
<0.22 µm | 0.3–4.5 × 10−4 | ∼40 mgCOD/L | (Guellil et al., 2001) |
Nonsettleable | 0.88 × 10−4 | 29.1 mgCOD/L | (La Motta et al., 2004) |
Nonsettleable > 0.45 µm | 1.5–1.54 × 10−4 | 8.5–10 mgCOD/L | (Jimenez et al., 2005) |
0.001–0.45 µm | 0.3–0.5 × 10−4 | 9.3–10 mgCOD/L | (Jimenez et al., 2005) |
Nonsettleable > 0.45 µm | 0.94–1.59 × 10−4 | 53–109 mgTSS/L | (Modin et al., 2015) |
<0.45 µm | 0.14–0.65 × 10−4 | 12.5–19.1 mgTOC/L | (Modin et al., 2015) |
In these studies, the k values were given in units min−1. We recalculated to L/mg·min based on information on suspended solids concentration given in the articles.
Note that depending on the study, the organic content was measured as either COD, TOC, or TSS.