What could be the implication(s) in the following case?
1 The feed solids concentration too low and insufficient biogasgenerated during anaerobic digestion.
2 Lack of proper lubrication of the gearbox mechanism of thedigester
3 Allowing air into the digester when withdrawing of supernatantphase
4 Sludge pumping (primary sedimentation) is toolow. Â
.5 Sludge pumping (primary sedimentation) is too high
6 Accumulation of debris on mechanical bar screens duringpreliminary treatment.
