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Table 1 Chemical characteristics of the treated sewage wastewater (TSW) used for cultivation of microalgae compared with the composition of BG11 medium

From: Enhancement of plant growth regulators production from microalgae cultivated in treated sewage wastewater (TSW)

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