Research Article

Microbial Communities and Their Performances in Anaerobic Hybrid Sludge Bed-Fixed Film Reactor for Treatment of Palm Oil Mill Effluent under Various Organic Pollutant Concentrations

Figure 4

Process stabilities in (a) the sludge zone and (b) the packed zone of AHR.
902707.fig.004a
(a)
902707.fig.004b
(b)