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Volume 9, Number 2, June 2020

In this study, the decolorization of Evercion Blue P-GR (EBP) and Ostazin Black H-GRN (OBH) was investigated using white-rot fungi named as Trametes versicolor (T. versicolor) by Membrane Bioreactor (MBR) system. This study involved experiments employing synthetic textile wastewater in Membrane Bioreactor (MBR) system (170 ml), initially inoculated with a pure culture of fungi, but operated, other than controlling pH (4.5 ±0.2) and temperature (25±1℃), under non-sterile conditions. The effect of dye concentrations on fungal biodegradation was also investigated. The decolorization efficiencies were 98%, 90%, and 87% respectively, for EBP when the initial dye concentration of 50, 100, and 200 mg L-1 were used. However, the decolorization percentages for OBH dye were obtained 95 % for 50 mg L-1 dye solution in 2 days and 66% for 100 mg L-1 dye solution in 5 days. Possible interactions between dye molecules and the fungal surface were confirmed by SEM, EDX, and FTIR analyses.

Key Words
biodegradation; textile dye; membrane bioreactor; wastewater treatment

Ulkuye D. Gul: Vocational School of Health Services, Biotechnology Application and Research Center, University of
Bilecik Seyh Edebali, Bilecik, Turkey

Caglayan Acikgoz: Department of Chemical and Process Engineering, University of Bilecik Seyh Edebali, Bilecik, Turkey

Kadir Ozan: Pazaryeri Vocational School, University of Bilecik Seyh Edebali, Bilecik, Turkey

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