Alkaline Pretreatment of Sugarcane Bagasse and Filter Mud Codigested to Improve Biomethane Production

Table 4

Cumulative biomethane yields (in mL gVS⁻¹) at different pretreatment periods and codigestion ratios.

Codigestion ratios	Pretreatment periods
Filter mud, bagasse	0 min (untreated)	15 min	30 min	45 min
0%, 100%	76.0	97	113.0	195.8
50%, 50%	21.1	58.2	80.4	92.8
25%, 75%	23.7	79.9	96.4	126.2
75%, 25%	22.2	32.1	44.5	72.1
100%, 0%	6.1	17.5	9.2	18.3