Assoc. Prof. Dr. Alper BAYRAKDAR

Environmental Engineering Department

Associate Professor Doctor

Contact Info:

  • +90 232 750 6858
  • Engineering Building – C, Room: B-206
To access our Faculty Member’s academic work, please click the GCRIS information button below.


  • 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.
  • Bayrakdar, A., 2019. Anaerobic Co-digestion of Tannery Solid Wastes: A Comparison of Single and Two-Phase Anaerobic Digestion. Waste and Biomass Valorization.
  • 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.