… protease and combined amylase/protease pretreatment of sludge were studied to enhance
the efficiency of sludge anaerobic digestion. These … addition on sludge characteristic were …

… Anaerobic digestion is a worldwide technology for the … as well as to expand anaerobic
digestion to a range of new … ), and (ii) the addition of enzymes able to facilitate particulate …

… approaches, anaerobic digestion has been … protease activities by the AP-based pretreatment
was more significant than that of α-glucosidase activity This might attributed to the addition …

… and subsequent thermophilic anaerobic digestion [8]. A mixture of protease and amylase
(ie, … After the addition of the substrate to the inoculum and medium, mixed CO2/N2 gas was …

… , amylase activity, protease activity and coenzyme F 420 were investigated in this study. …
The pH of B2, B3 and B4 was adjusted to the desired values in the first 5 days by adding sodium …

… Only the lowest concentration of protease applied (0.5 ml/kg VS) resulted in significantly
higher (11%) SMA. However, the authors reported no significant differences in biogas yield or …

… with protease previous anaerobic digestion doubled methane … optimize this protease
pretreatment. In this context, different … not the protease addition or the anaerobic digestion would …

Thermophilic aerobic digestion (TAD) of potato process waste slurry was carried out in a
batch process in a continuously stirred tank reactor at 55 C for a total of 156 h. The pH of the …

… of organic solid wastes in anaerobic digestion. To evidence the … of protease identified that
thermophilic anaerobes degraded … The protease reaction was stopped by adding the ice-cold …

… the addition of enzymes contributes significantly to degradation of macromolecules in the
biogas process. Even the addition of protease … , and protease) prior to anaerobic digestion. An …