Research Article

Comparison between Thermo-Alkaline and Electro-Fenton Disintegration Effect on Waste Activated Sludge Anaerobic Digestion

Figure 4

Evolution of organic loading rate (a), biogas production (b), and biogas yield (c) during semi-continuous anaerobic fermentation F1 (raw and TA pretreated sludge) and F2 (EF pretreated sludge).
(a)
(b)
(c)