Total dissolved COD removal yields for flocculent(FSBR) and granular (GSBR)
anaerobic/aerobic bioreactors operating in cycles with a reaction phase duration of
5.5 and 5.0 h, respectively, during the treatment of a simulated textile wastewater
in the presence (FSBR1 and GSBR1) and in the absence (FSBR2 and GSBR2) of an azo
dye (AR14, 20 mg L−1 at the start of the reaction phase).