recognized as a potential control agent of activated sludge bulking, which is usually caused
by the excessive growth of filamentous microorganisms. However, their effectiveness
depends, in part, on their abundance. We studied the influence of high densities of L.
inermis on the protozoan community in activated sludge from a wastewater treatment plant
(WWTP) in 4 laboratory-scale sequencing batch bioreactors (SBRs). Two treatments and two …