Figure 4. sCOD concentrations during the reaction stage of: (a) phase I; (b) phase II; (c) phase III; (d) VFA concentration variation: (■) Acetic acid (○) Propionic acid and (▲) Butyric acid and (□) pH; (e) VFA-COD equivalent during the reaction stage of phase III.


Supported by UNESCO / MIRCEN network