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Table 3 Efficiency calculated in terms of e-mol and Cmol recovery and product yields for all enriched microbial consortia

From: Enrichment of syngas-converting mixed microbial consortia for ethanol production and thermodynamics-based design of enrichment strategies

  HT6 HT5.5a HT5.5YE HT5YE NT5YE
Recovery (%)b
 e-mol 92.92 ± 0.54 85.83 ± 2.46 89.84 ± 1.80 88.57 ± 1.77 95.01 ± 3.29
 Cmol 83.16 ± 0.70 77.33 ± 2.31 93.18 ± 1.69 80.29 ± 0.83 91.60 ± 6.41
Product yield (% e-mol/e-mol)
 Acetate 83.32 ± 0.81 61.15 ± 7.41 41.38 ± 1.75 29.29 ± 0.63 27.68 ± 1.67
 Propionate 0.00 ± 0.00 0.11 ± 0.20 0.01 ± 0.08 2.11 ± 0.38 0.26 ± 0.04
 Iso-butyrate 1.55 ± 0.09 0.00 ± 0.00 1.82 ± 0.78 0.00 ± 0.00 1.17 ± 0.31
 Butyrate 0.00 ± 0.00 0.00 ± 0.00 11.59 ± 4.82 2.05 ± 0.74 16.51 ± 1.07
 Ethanol 8.16 ± 0.49 25.20 ± 5.32 29.40 ± 5.36 59.15 ± 0.18 34.81 ± 2.27
 Butanol 0.00 ± 0.00 0.00 ± 0.00 15.37 ± 1.55 3.50 ± 0.64 21.82 ± 1.45
 Caproate 0.00 ± 0.00 0.00 ± 0.00 1.39 ± 0.03 3.33 ± 0.20 1.09 ± 0.09
Biomass yield (g VSS/e-mol) 2.10 ± 0.11 1.83 ± 0.42 3.21 ± 0.51 3.13 ± 0.20 2.85 ± 1.06
  1. aThe efficiency and product yields of HT5.5 were calculated using the results for transfers T4 and T5 of the enrichment
  2. bAdditional information on the production of control experiments is provided in Additional file 1: Table S3