Table 1 Chemical characteristics of the treated sewage wastewater (TSW) used for cultivation of microalgae compared with the composition of BG11 medium
Parameters | BG11 medium | Treated sewage wastewater (TSW) |
|---|---|---|
pH | 7 | 6.48 |
Total nitrogen mg/L | 248 | 28.5 |
Cation’s (mg/L) | ||
  Ca2+ | 9.8 | 36.7 |
  Mg2+ | 8.8 | 16.2 |
  K+ | 17.9 | 17.5 |
  Na+ | 140 | 177 |
Anion’s (mg/L) | ||
  CO32− | 6.2 | 39.9 |
  HCO3− | 13 | 183 |
  CI− | 18 | 71 |
  SO42− | 37 | 263 |
Trace elements (μg/L) | ||
  Cu | 20 | 36 |
  Zn | 5 | 62 |
  B | 500 | 150 |
  P | 7000 | 6100 |
  Fe | 3200 | 130 |
  Co | 16 | 27 |
  Mn | 500 | 110 |