Immobilization, biogas reactor

Fluidized bed biogas reactors combine immobilization and hydraulic mixing (see Figure 23) to achieve a high reactor biomass hold-up and a long mean cell residence time [74]. The density of carrier or supported materials needs to be smaller than the... 

SEM photos of microbes immobilized on the polyurethane foam with different pore sizes in fix-bed biogas reactors with the same volume (300 ml) [77]. 

---