Table 1 Growth parameters of microalgae in different systems
From: Comparison of Galdieria growth and photosynthetic activity in different culture systems
DAYS | Decanter laboratory flask (DLF) | Inclined bubble column (IB-C) | Tubular bioreactor (T-B) | Ultra-flat plate bioreactor (UP-B) | Twin layer system (TW-S) |
|---|---|---|---|---|---|
Specific weight increase (SWI) | |||||
 0 | 0 | 0 | 0 | 0 | 0 |
 3 | 0 | 0.0625 | 0.075 | 0.625 | 1 |
 6 | 0.0625 | 0.517 | 0.5357 | 1.025 | 2.29 |
 9 | 0.305 | 0.7 | 0.625 | 1.5 | 3.25 |
 12 | 0.45 | 0.903 | 0.7 | 2.65 | 3.51 |
 15 | 0.5 | 1.033 | 0.8 | 3 | 4.2 |
 18 | 0.52 | 1.044 | 1.4 | 3.69 | 4.84 |
 21 | 0.541 | 1.0566 | 2.39 | 4.9 | 5.4 |
 24 | 0.55 | 1.3 | 3.57 | 6.1 | 6.2 |
 27 | 0.65 | 1.5 | 3.75 | 6.5 | 5.7 |
 30 | 0.7 | 1.5 | 3.72 | 6.5 | 4.7 |
Specific light yield (SLY) Mol−1 | |||||
 0 | 0 | 0 | 0 | 0 | 0 |
 3 | 0 | 0.137 | 0.194 | 0.608 | 1.4 |
 6 | 0.017 | 0.321 | 0.697 | 0.498 | 1.66 |
 9 | 0.269 | 0.501 | 0.626 | 0.527 | 1.57 |
 12 | 0.248 | 0.593 | 0.546 | 0.644 | 1.27 |
 15 | 0.265 | 0.606 | 0.593 | 0.622 | 1.22 |
 18 | 0.233 | 0.551 | 0.615 | 0.639 | 1.15 |
 21 | 0.205 | 0.516 | 0.887 | 0.683 | 1.12 |
 24 | 0.185 | 0.620 | 1.05 | 0.752 | 1.19 |
 27 | 0.191 | 0.670 | 1.08 | 0.702 | 1.03 |
 30 | 0.181 | 0.606 | 0.966 | 0.632 | 0.87 |
Growth rate (GR) day−1 | |||||
 0 | 0 | 0 | 0 | 0 | 0 |
 3 | 0.020 | 0.020 | 0.024 | 0.140 | 0.221 |
 6 | 0.068 | 0.06 | 0.119 | 0.073 | 0.178 |
 9 | 0.034 | 0.101 | 0.018 | 0.07 | 0.100 |
 12 | 0.011 | 0.085 | 0.015 | 0.126 | 0.083 |
 15 | 0.006 | 0.044 | 0.019 | 0.03 | 0.019 |
 18 | 0.003 | 0.0035 | 0.095 | 0.053 | 0.047 |
 21 | 0.0018 | 0.0035 | 0.115 | 0.077 | 0.020 |
 24 | 0.0020 | 0.0694 | 0.099 | 0.06 | 0.029 |
 27 | 0.02 | 0.0477 | 0.0136 | 0.014 | − 0.014 |
 30 | 0.09 | 0 | − 0.007 | 0 | − 0.04 |