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. 2016 Oct 25;47(Suppl 1):64–76. doi: 10.1016/j.bjm.2016.10.003

Table 2.

Comparison of continuous and fed-batch fermentations with cell recycling for ethanol production in Brazil.37

Characteristics Unit Continuous Fed-batch
Fermentation yield % 87.0–89.5 88.9–90.5
Bacterial contamination of winea bacterial rods/mL 3.8–9.9 × 107 2.0–3.9 × 107
Consumption of sulfuric acid g/L ethanol 8–14 6–7
Consumption of antibiotics mg/L ethanol 5.7–13.0 3.8–8.0
Consumption of antifoaming mg/L ethanol 0.47–0.75 0.45–0.70
a

Living bacterial rods are counted by optical microscopy.