Education:

• Ph.D. Marmara University, Istanbul, Turkey, 2018
• M.Sc. Harran University Sanliurfa, Turkey, 2009
• B.Sc. Harran University Sanliurfa, Turkey,  2007

Research Interests:

• Anaerobic digestion / Biogas production
• Biogas desulfurization and upgrading
• Sulfate reduction / Sulfide oxidation
• Nutrient removal and recovery
• Microbial fuel cells

Recent Publications:

• Pak, B. A., Bal, Y., Hatib, B. A., Bayrakdar, A., & Sahinkaya, E. (2026). Impact of micropollutants and the process configuration on the performance of moving bed membrane biofilm reactor (MBMBR). Water Research. https://doi.org/10.1016/j.watres.2026.125944
• Sürmeli, R. Ö., Madenli, Ö., Bayrakdar, A., Deveci, E. Ü., & Calli, B. (2025). Phosphate recovery from digestate using magnesium-modified fungal biochar. Clean Technologies and Environmental Policy, 27, 3557–3571. https://doi.org/10.1007/s10098-024-03035-2
• Çakirgöz, M., Bayrakdar, A., & Çalli, B. (2021). How do the influent COD/Nitrogen and internal recirculation ratios affect the oxidation ditch type pre-anoxic landfill leachate treatment?. Journal of Environmental Management, 278, 111598. https://doi.org/10.1016/j.jenvman.2020.111598
• Bayrakdar, A., 2019. Anaerobic Co-digestion of Tannery Solid Wastes: A Comparison of Single and Two-Phase Anaerobic Digestion. Waste and Biomass Valorization. https://doi.org/10.1007/s12649-019-00902-8
• Tao W., Bayrakdar A., Wang Y., Agyeman F. Three-stage treatment for nitrogen and phosphorus recovery from human urine: Hydrolysis, precipitation and vacuum stripping. 2019; 249 doi: 1016/j.jenvman.2019.109435