Substrates Mass of substrates (kg)
Amount of inoculums added (g/day)
Sewage sludge Leachate
Cellulosic wastes 1.02 ± 0.01 1.010 ± 0.001 1.010 ± 0.001
Food wastes 1.01 ± 0.01 1.007 ± 0.001 1.006 ± 0.001
Vegetable wastes 1.01 ± 0.01 1.011 ± 0.001 1.009 ± 0.001
Municipal solid wastes 1.03 ± 0.01 1.004 ± 0.001 1.004 ± 0.001
Table 4: Proportions of substrates and inoculums used for the biochemical methane potential assays. All values are mean values of triplicate determinations ± SD.