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Table 4 Comparison of the outdoor performance of biomass production, biofuel production, and CO2 fixation of S. obliquus CNW-N with that obtained from other microalgae species with different PBRs and operation strategies in different locations

From: Feasibility of CO2 mitigation and carbohydrate production by microalga Scenedesmus obliquus CNW-N used for bioethanol fermentation under outdoor conditions: effects of seasonal changes

Microalgal species PBR type Location Operation mode Working volume(L) Biomass productivity (mg L−1d−1) Biofuel productivity (mg L−1d−1) CO2 fixation rate (mg L−1d−1) Reference
C. vulgaris Flat-plate airlift Germany Batch 30 670 390 (Lipid) 1259.6a [35]
Chlorella sp. NJ-18 Airlift China Batch 70 91.8 21.9 (Lipid) 172.6a [36]
Chlorella sp. NJ-18 Airlift China Semi-continuous 70 87.4 24.1 (Lipid) 164.3a [36]
S. obtusus XJ-15 Plastic bag China Two-stage 70 × 2 86.5 36.4 (Lipid) 170.0 [17]
B. braunii Raceway India Batch 80 100 24 (Hydrocarbon) 188a [37]
S. obtusus XJ-15 Airlift bag China Batch 140 75.6 31.0 (Lipid) 142.1a [38]
Graesiella sp. WBG-1 Raceway China Batch 40000 8.7 2.9 (Lipid) 16.4a [18]
N. gaditana Lubián CCMP 527 Raceway Spain Continuous 792 190 30.4 (Lipid) 357.2a [39]
S. acutus LB0414 Raceway USA Batch 2278 42.9 9.2 (Lipid) 80.7a [12]
Chlorella sp. Plastic bag Australia Batch 120 216 74 (Lipid) 406.1a [13]
T.suecica Plastic bag Australia Batch 120 179 50 (Lipid) 336.5a [13]
N. gaditana Lubián CCMP 527 Tubular Spain Continuous 340 590 110 (Lipid) 1109.2a [40]
Tetraselmis sp. MUR231 Raceway Australia Batch 200 243 85 (Lipid) 456.8a [41]
Chlorella sp. CH2 Green Wall Panel Italy Batch 10 270 120 (Lipid) 507.6a [42]
Chlorella sp. Tubular China Batch 70 154.5 33.7 (Lipid) 290.5a [43]
Nannochloropsis sp. F&M-M24 Flat-plate Italy Two-stage 110 300 204 (Lipid) 564a [23]
C. zofingiensis Flat-plate China Batch 60 58.4 22.3 (Lipid) 109.8a [16]
S. obliquus CNW-N (Summer) Tubular Taiwan Batch 60 205.1 83.9 (Carbohydrate) 358.8b This study
S. obliquus CNW-N (Winter) Tubular Taiwan Batch 60 119.2 47.3(Carbohydrate) 208.7b This study
  1. a Calculated from the following equation: CO2 fixation rate = Biomass productivity (mg L−1d−1) × 1.88 [3]
  2. b Calculated from the following equation: CO2 fixation rate = Biomass productivity (mg L−1d−1) × C(%) × 44/12