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:

• 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
• Bayrakdar A., Tilahun E., Calli B. Simultaneous nitrate and sulfide removal using bio-electrochemical system. Bioelectrochemistry. 2019;129:228-234 doi:10.1016/j.bioelechem.2019.06.003
• Sürmeli R. Ö., Bayrakdar A., Molaey R., Çalli B. Synergistic Effect of Sulfide and Ammonia on Anaerobic Digestion of Chicken Manure. Waste and Biomass Valorization. 2019;10(3):609-615 doi:10.1007/s12649-017-0090-z.