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Table 1 Ethanol productivity and yield by yeast strains

From: Operational parameters and their influence on particle-side mass transfer resistance in a packed bed bioreactor

Flow rate (ml.min−1) Dilution rate (−) Glucose conc. (g/l) Ethanol productivity (g/l h) Ethanol yield (g g−1)
0.8 mm 2 mm 4 mm 0.8 mm 2 mm 4 mm
4 0.2 4 0.56 0.50 0.40 0.93 0.83 0.80
4 0.2 10 1.18 1.00 0.56 0.73 0.62 0.60
90 4.5 4 15.75 13.90 10.8 1.16 1.03 0.63
90 4.5 10 32.40 27.00 17.10 0.90 0.75 0.48
  1. Beads size 0.8, 2 and 4 mm.
  2. Ethanol productivity = D × P (at: 300 min).
  3. Ethanol yield Y(p/s) = Pl − Po/So − Sl (at: 300 min).
  4. D dilution rate, P product concentration