Bioregeneration of mono-amine modified silica and granular activated carbon loaded with Acid Orange 7 in batch system

► Use of acclimated biomass vital for successful bioregeneration process. ► Quantification of bioregeneration efficiencies of MAMS and GAC loaded with AO7 dye. ► Progressive adsorption capacity loss in multiple bioregeneration of spent MAMS. ► Bioregeneration efficiency improvement of AO7-loaded MAMS with bio-fouling removal.