Table 2.
Biomass production, lipid productivity, and pollutant removal of microalgae in secondary effluent under continuous culture.
| Microalgae Species | Free cell (F) or Immobilization (I) | Cultivation Time (d) | Hydraulic Retention Time (d) | Biomass Energy | Nutrients Removal Efficiency (%) | References | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Biomass Production (g·L−1) | Biomass Productivity (mg·L−1·day−1) | Lipid Productivity (mg·L−1·day−1) | Lipid Content (%) | COD | TN | NH4+ | NO3− | TP | |||||
| Chlorella vulgaris | F | 240 | 0.04–2 | 0.69–1.289 a | 47.5–131.7 | - | - | - | 54–95.3 | - | - | 84.4–94.9 | [87] |
| Scenedesmus sp. AMDD | F | 24 | 1.48 | 0.312–0.356 | 234–267 | 11.91–15.19 | 5.14–5.70 | - | - | 100 | - | 100 | [70] |
| Scenedesmus obliquus | F | 112 | 5 | - | 21.76 b | - | 20.8 | - | 89.68 | - | - | 86.71 | [71] |
| Scenedesmus obliquus | F | 104 | 10 | - | 8.26 b | - | 20.8 | - | 58.78 | - | - | 58.78 | [71] |
| Scenedesmus sp. | F | - | 5.2 | 0.5 | 20 b | - | - | - | - | - | - | - | [88] |
| Scenedesmus sp. | I | 91 | 2 | 0.1–0.3 | - | - | - | 21–48.36 | 36 | 24–55 | - | 40–80 | [52] |
a mg·COD/L; b g·m−2·day−1.