Figure 4. Different configurations for TH+AD, regarding feed segregation and steam generation devices.
(a) Scheme A: No feed segregation: mixed sludge to the TH unit.
(b) Scheme B: Feed segregation: only secondary sludge to the TH unit.
(c) Burning the biogas in a boiler to produce power.
(d) Burning the biogas in an engine or turbine to produce power and generate electricity.


Supported by UNESCO / MIRCEN network