Development of Electroactive and Anaerobic Ammonium-Oxidizing (Anammox) Biofilms from Digestate in Microbial Fuel Cells

Figure 3

Maximum power transfer curves performed on MFC-C and MFC-U (a). Polarization curves with the maximum power density (), the optimal voltage (Δ), and optimal current density () performed on MFC-C (b) and MFC-U (c) at the end of the start-up procedure (day 28).

(a)

(b)

(c)