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Table 3 Comparison of molasses wastewater treatment by different methods (Trophic mode of microalgae in table is heterotrophic cultivation)

From: Molasses wastewater treatment and lipid production at low temperature conditions by a microalgal mutant Scenedesmus sp. Z-4

Methods Temperature Removal performance References
Microalgae and activated sludge 25 ± 1 °C COD ~78%, TN ~35% [45]
Ozonation and activated sludge 25 °C COD ~66.5% [50]
Microbial fuel cells (MFC) Not given COD ~79.8% [51]
Single chamber MFC Not given COD ~89–90% [52]
AFBR and microalgae pond 27–32 °C COD ~98.2%, TN ~85.5% [53]
ABR Not given COD ~90% [54]
BioH2–BioCH4–MFC integrated system 35 °C COD ~98% [55]
UASB 35 °C COD ~91.2% [56]
Microalgae alone 10 °C COD ~87.2%, TN ~90.5%, TP ~88.6% This study