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    Basic Red 18 and Remazol Brilliant Blue R biosorption using Russula brevipes, Agaricus augustus, Fomes fomentarius
    (Water Practice and Technology, 2022) Arslantaş, Ceren; M’barek, Islem; Saleh, Mohammed; Isik, Zelal; Ozdemire, Sadin; Dündar, Abdurrahman; Dizge, Nadir
    In this study, the adsorption abilities of Russula brevipes (RB), Agaricus augustus (AA), and Fomes fomentarius (FF) were evaluated in Basic Red 18 (BR18) and Remazol Brilliant Blue R (RBBR) biosorption from textile effluent. The adsorbents were characterized via Scanning Electron Microscopy (SEM), Energy Dispersive Spectrometer (SEM-EDS), and Fourier transform infrared spectroscopy (FT/IR). Fomes fomentarius presented a low sorption capacity contrary to the two other fungi (RB and AA). RB and AA were selected as potential adsorbents for BR18 and RBBR, respectively. The maximum BR18 removal efficiencies for 10, 25, and 50 mg/L were obtained after 60 min to be 90, 88, and 86%, respectively. The RBBR adsorption efficiencies were 96.4, 96, and 90% for dye concentrations of 10, 25, and 50 mg/L. The adsorption of BR18 onto the RB biomass followed the Freundlich isotherm, while Langmuir is the best isotherm for RBBR sorption’s elucidation onto AA fungus biomass. The removal of BR18 by BR biomass was found to follow the pseudo-second order. In contrast, the adsorption of RBBR onto the AA biomass followed Lagergren’s pseudo-first order. For both adsorbents, the adsorption was exothermic, feasible, and spontaneous in nature. Finally, the dyes’ biosorption process was perfectly achieved onto fungi biomass via physisorption