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. 2014 Apr 1;5(3):204–208. doi: 10.4161/bioe.28720

Table 1. Photosynthetic efficiencies of microalgae in LED-based PBRs.

Algae species LED illumination
(µE/m2/s)
Biomass productivity (gDCW/L/day) Biomass yield (g/E) Photosynthetic efficiency* (%)
P. tricornutum# Prior to ALE 204 (100% red) 0.32 ± 0.02 0.18 ± 0.01 2.0
204 (50% red and 50% blue) 0.64 ± 0.02 0.36 ± 0.01 3.3
D. salina 20 After ALE 170 (100% red) 0.40 ± 0.01
0.22 ± 0.01
0.27 ± 0.01
0.15 ± 0.01
3.0
1.7
Prior to ALE
After ALE 170 (75% red and 25% blue) 0.48 ± 0.02
0.40 ± 0.01
0.33 ± 0.01
0.27 ± 0.01
3.3
2.7
Prior to ALE
C. vulgaris 19 After ALE 300 (100% red) 2.11 ± 0.13 0.81 ± 0.05 9.0
Prior to ALE 255 (100% red) 0.71 ± 0.05 0.32 ± 0.02 3.6

*A biomass combustion energy of 20.15 kJ is assumed; # model species (CCAP 1055/1) in this work.