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

Bioresources and Bioprocessing

Table 2 Comparative overview of acetate production in MES

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	− 1.26^a	5.0	0.06 (1.0)	1.29	58	Patil et al. (2015)
Mixed culture	Carbon felt and stainless steel	− 0.9^a	10	(1.3)	0.6	40	Bajracharya et al. (2015)
Mixed culture	Graphite granules	− 0.6^a	–	1.0 (17.25)	10.5	69	Marshall et al. (2013)
Mixed culture	Graphite plates	1.4^b	0.37	(1.39)	1	44.6	Xiang et al. (2017)
Mixed culture	RVC-EPD	− 0.85^a	102	–	11	100	Jourdin et al. (2015)
Mixed culture	RVC-nanoweb	− 0.85^a	37	0.03(0.42)	1.65	70	Jourdin et al. (2014)
Mixed culture	rGO-carbon felt	− 0.85^a	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)