The reactors were named R1, R2, R3, and R4 at different mixture conditions with organic loading of 1.62 and 2.11 g VS
added
L
1
d
at HRT of 10 days. R1 produced highest cumulative biogas of 29.16% which was higher than R2, 39.8% higher than R3, and 64.13% higher than R4