1. Zhang, B.; Mao, X.; Ma, T.; Zhang, B.; Li, X.; Liu, B; Iorhemen, O.; Shi, W. (2024) Enhanced performance of aerobic granular sludge-membrane system through the utilization of different iron-based nano-metal oxides for mitigating membrane fouling. Desalination. 591: 118020
  2. *Odoom, J., Iorhemen, O. T., & Li, J. (2024). Advances in adsorption for oily wastewater treatment: eco-friendly adsorbents and analytical insights. Energy, Ecology and Environment. https://doi.org/10.1007/s40974-024-00332-w
  3. *Kaur, M., Guo, B., & Iorhemen, O. T. (2024). Potential for the recovery of xanthan from aerobic granular sludge wastewater systems–A review. Resources, Conservation and Recycling, 207, 107688. https://doi.org/10.1016/j.resconrec.2024.107688
  4. *Adekunle, A., Ukaigwe, S., Bezerra dos Santos, A., & Iorhemen, O. T. (2024). Potential for curdlan recovery from aerobic granular sludge wastewater treatment systems – A review. Chemosphere, 362, 142504. https://doi.org/10.1016/j.chemosphere.2024.142504
  5. *Soliman, R., Hamza, R. A., & Iorhemen, O. T. (2024). Biofilm-based hybrid systems for enhanced brewery wastewater treatment – A review. Journal of Water Process Engineering, 58, 104763. https://doi.org/10.1016/j.jwpe.2023.104763
  6. Iorhemen, O. T., & Ukaigwe, S. (2023). Biorefinery Paradigm in Wastewater Management: Opportunities for Resource Recovery from Aerobic Granular Sludge Systems. In R. Gupta, M. Sun, S. Brzev, M. S. Alam, K. T. W. Ng, J. Li, A. El Damatty, & C. Lim (Eds.), Proceedings of the Canadian Society of Civil Engineering Annual Conference 2022 (pp. 1319–1334). Springer International Publishing. https://doi.org/10.1007/978-3-031-34593-7_84
  7. Muoghalu, C. C., Owusu, P. A., Lebu, S., Nakagiri, A., Semiyaga, S., Iorhemen, O. T., Manga, M. (2023) Biochar as a novel technology for treatment of onsite domestic wastewater: A critical review. Front. Environ. Sci. 11, 1095920.
  8. Iorhemen, O.T., Ukaigwe, S., Dang, H., Liu, Y. (2022) Phosphorus removal from aerobic granular sludge: proliferation of polyphosphate-accumulating organisms (PAOs) under different feeding strategies. Processes. 10(7), 1399.
  9. Hamza, R., Rabii, A., Ezzahraoui, F.-Z, Morgan, G., Iorhemen, O.T. (2022) A review of the state of development of aerobic granular sludge technology over the last 20 years: Full-scale applications and resource recovery. Case Studies in Chemical and Environmental Engineering. 5: 100173.
  10. Iorhemen, O.T., Liu, Y. (2021) Effect of feeding strategy and organic loading rate on the formation and stability of aerobic granular sludge. Journal of Water Process Engineering. 39: 1017099.
  11. Zaghloul, M.S., Iorhemen, O.T., Hamza, R.A., Tay, J.H., Achari, G. (2021) Development of an ensemble of machine learning algorithms to model aerobic granular sludge reactors. Water Research. 189: 116657.
  12. Zaghloul, M.S., Hamza, R.A., Iorhemen, O.T., Tay, J.H. (2020) Comparison of adaptive neuro-fuzzy inference systems (ANFIS) and support vector regression (SVR) for data-driven modelling of aerobic granular sludge reactors. Journal of Environmental Chemical Engineering. 8(3): 103742.
  13. Iorhemen, O.T., Zaghloul, M.S., Hamza, R.A., Tay, J.H. (2020) Long-term aerobic granular sludge stability through anaerobic slow feeding, fixed feast-famine period ratio, and fixed SRT. Journal of Environmental Chemical Engineering. 8(2): 103681.
  14. Iorhemen, O.T., Hamza, R.A., Zaghloul, M.S., and Tay, J.H. (2019) Aerobic granular sludge membrane bioreactor (AGMBR): Extracellular polymeric substances (EPS) analysis. Water Research. 156: 305-314.
  15. Iorhemen, O.T., Hamza, R.A., Sheng, Z., and Tay, J.H. (2019) Submerged aerobic granular sludge membrane bioreactor (AGMBR): Organics and nutrients (nitrogen and phosphorus) removal. Bioresource Technology Reports. 6: 260-267.
  16. Vashi, H., Iorhemen, O.T., Tay, J.H. (2019) Extensive studies on the treatment of pulp mill wastewater using aerobic granular sludge (AGS) technology. Chemical Engineering Journal. 359: 1175-1194.
  17. Hamza, R.A., Zaghloul, M.S., Iorhemen, O.T., Sheng, Z., and Tay, J.H. (2019) Optimization of organics to nutrients (COD:N:P) ratio for aerobic granular sludge treating high-strength organic wastewater. Science of the Total Environment. 650 (part 2): 3168-3179.
  18. Tiwari, S.S., Iorhemen, O.T., Tay, J.H. (2019) Aerobic granular sludge and naphthenic acids treatment by varying initial concentrations and supplemental carbon concentrations. Journal of Hazardous Materials. 362: 348-357.
  19. Hamza, R.A., Sheng, Z., Iorhemen, O.T., Zaghloul, M.S., and Tay, J.H. (2018) Impact of food-to-microorganisms ratio on the stability of ‎aerobic granular sludge treating high-strength organic ‎wastewater. Water Research. 147: 287-298.
  20. Vashi, H., Iorhemen, O.T., Tay, J.H. (2018) Degradation of industrial tannin and lignin from pulp mill effluent by aerobic granular sludge technology. Journal of Water Process Engineering. 26: 38 – 45.
  21. Zaghloul, M.S., Hamza, R.A., Iorhemen, O.T., Tay, J.H. (2018) Performance prediction of an aerobic granular SBR using modular multilayer artificial neural networks. Science of the Total Environment. 645: 449 – 459.
  22. Tiwari, S.S., Iorhemen, O.T., Tay, J.H. (2018) Semi-continuous treatment of naphthenic acids using aerobic granular sludge. Bioresource Technology Reports. 3: 191-199.
  23. Hamza, R.A., Iorhemen, O.T., Zaghloul, M.S., Tay, J.H. (2018) Rapid formation and characterization of aerobic granules in pilot-scale sequential batch reactor for high-strength organic wastewater treatment. Journal of Water Process Engineering. 22: 27 – 33.
  24. Vashi, H., Iorhemen, O.T., Tay, J.H. (2018). Aerobic granulation: a recent development on the biological treatment of pulp and paper wastewater. Environmental Technology & Innovation. 9: 265-274.
  25. Iorhemen, O.T., Hamza, R.A., Zaghloul, M.S., Tay, J.H. (2018). Simultaneous organics and nutrients removal in side-stream aerobic granular sludge membrane bioreactor (AGMBR). Journal of Water Process Engineering. 21: 127–132.
  26. Iorhemen, O.T., Hamza, R.A., Tay, J.H. (2017). Membrane fouling control in membrane bioreactors (MBRs) using granular materials. Bioresource Technology. 240(2): 9 – 24.
  27. Iorhemen, O.T., Hamza, R.A., Tay, J.H. (2017). Utilization of aerobic granulation to mitigate membrane fouling in MBRs. Membrane Water Treatment. 8(5): 395 – 409.
  28. Iorhemen, O.T., Alfa, M.I., Onoja, S.B. (2016). The review of municipal solid waste management in Nigeria: the current trends. Advances in Environmental Research. 5(4): 237 – 249.
  29. Hamza, R.A., Iorhemen, O.T., Tay, J.H. (2016). Anaerobic-aerobic granular system for high-strength wastewater treatment in lagoons. Advances in Environmental Research. 5(3): 169-178.
  30. Iorhemen, O.T., Hamza, R.A., Tay, J.H. (2016). Membrane bioreactor (MBR) technology for wastewater treatment and reclamation: membrane fouling. 6(2): 33.
  31. Hamza, R.A., Iorhemen, O.T., Tay, J.H. (2016). Advances in biological systems for the treatment of high-strength wastewater. Journal of Water Process Engineering. 10: 128-142.
  32. Hamza, R.A., Iorhemen, O.T., Tay, J.H. (2016). Occurrence, impacts and removal of emerging substances of concern from wastewater. Environmental Technology & Innovation. 5: 161-175.
  33. Alfa, I.M., Dahunsi, S.O., Iorhemen, O.T., Okafor, C.C., Ajayi, S.A. (2014). Comparative Evaluation of Biogas Production from Poultry Droppings, Cow Dung and Lemon Grass. Bioresource Technology. 157: 270-277.
  34. Alfa, M.I., Adie, D.B., Iorhemen, O.T., Okafor, C.C., Ajayi, S.A., Dahunsi, S.O., Akali, D.M. (2013). Assessment of Mesophilic Co-digestion of Cow Dung with Lemon Grass for Biogas Production. Nigerian Journal of Technology. 32(3): 478-484.
  35. Akali, D.M., Iorhemen, O.T., Adie, D.B., Okuofu, C.A. (2012). Improvement Design of the Sanitary System at Malali Housing Estate in Kaduna State of Nigeria. Journal of Engineering Research. 17(4): 33-47.