Anaerobic mesophilic co-digestion of sewage sludge with glycerol: Enhanced biohydrogen production

In terms of volatile solids, the best operational condition was an OLR of 1.01 gVS/L d, with removal of 89% VSr and hydrogen and methane yields of 0.50 LH2/gVSr and 1.48 LCH4/gVSr, respectively.