Microbial Fuel Cells for Direct Electrical Energy Recovery from Urban Wastewaters

Table 5

MFC feeding with SW2 wastewater. Continuous monitoring results and bioelectrochemical performances calculation.

T.C.	CODin (mg/L)	HRT (h)	𝑅ext (Ω)		𝑏 (h^−1)	η COD (%)	CRR (mgL^−1d^−1)	𝑃mean (mW/m^3)	𝐸recovered (kJ/m^3)	𝐶𝐸 (%)
3	331	143	fixed	470	1.36𝐸−02	86%	47.7	8.2	4.9	0.8%
4	330	165	fixed	470	1.20𝐸−02	86%	41.4	11.6	6.9	1.1%
5	330	143	fixed	470	1.41𝐸−02	87%	48.0	19.7	11.8	2.0%
Average	330	150	—	—	1.32𝐸−02	86%	45.7	13.2	7.9	1.2%
st. dev.	1	13	—	—	1.10𝐸−03	0.5%	3.7	5.9	3.6	0.6%