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Table 2 Comparative overview of acetate production in MES

From: Experimental evaluation of the influential factors of acetate production driven by a DC power system via CO2 reduction through microbial electrosynthesis

Biocatalyst Cathode material Voltage/potential (V) Current density (A m−2) Volumetric production rate [g L−1 day−1 (mM day−1)] Maximum acetate titer (g L−1) CE (%) References
Mixed culture Carbon felt 3 4 0.25 (4) 7.8 60 Current study
Mixed culture Carbon felt − 1.26a 5.0 0.06 (1.0) 1.29 58 Patil et al. (2015)
Mixed culture Carbon felt and stainless steel − 0.9a 10 (1.3) 0.6 40 Bajracharya et al. (2015)
Mixed culture Graphite granules − 0.6a 1.0 (17.25) 10.5 69 Marshall et al. (2013)
Mixed culture Graphite plates 1.4b 0.37 (1.39) 1 44.6 Xiang et al. (2017)
Mixed culture RVC-EPD − 0.85a 102 11 100 Jourdin et al. (2015)
Mixed culture RVC-nanoweb − 0.85a 37 0.03(0.42) 1.65 70 Jourdin et al. (2014)
Mixed culture rGO-carbon felt − 0.85a 4.9 0.17 (2.83) 7.1 77 Song et al. (2017)
S. ovata Graphite plates 5 1.7 (1.07) 2.4 89 Giddings et al. (2015)
  1. aFixed cathode potential (vs. SHE)
  2. bBioanode