Conference Contributions

  1. Iftikhar, M.A., Iorhemen, O.T. Use of biochar for water treatment. The UNBC Northern Functional Molecules Research Collective’s 3rd Annual Symposium; Prince George, BC; July 29, 2026. Oral Presenter: Muhammad Ali Iftikhar.
  2. De La Garza, E.T., Iorhemen, O.T. An overview of factors influencing curdlan production in aerobic granular sludge-based wastewater treatment systems. The UNBC Northern Functional Molecules Research Collective’s 3rd Annual Symposium; Prince George, BC; July 29, 2026. Oral Presenter: Estefanía Tavera De La Garza.
  3. Arteaga, V.V., Iorhemen, O.T. An overview of factors influencing xanthan production in aerobic granular sludge-based wastewater treatment systems. The UNBC Northern Functional Molecules Research Collective’s 3rd Annual Symposium; Prince George, BC; July 29, 2026. Oral Presenter: Victoria Vazquez Arteaga.
  4. Kwakye, K.K., Iorhemen, O.T. Emerging strategies for enhancing curdlan and xanthan biosynthesis in aerobic granular sludge wastewater systems. The UNBC Northern Functional Molecules Research Collective’s 3rd Annual Symposium; Prince George, BC; July 29, 2026. Oral Presenter: Kim Kofi Kwakye.
  5. Vesuwe, R.N., Nabaterega, R., Thring, R.W., Iorhemen, O.T. Comparison of extracellular polymeric substance (EPS) extraction methods for enhanced xanthan gum recovery in aerobic granular sludge wastewater treatment systems. Canadian Society for Civil Engineering (CSCE) Annual Conference; Quebec City, QC; June 3 – 5, 2026. Oral Presenter: Oliver Iorhemen.

  6. Iorhemen, O. T. From wastewater treatment to resource recovery: advancing next-generation facilities. Natural Resources and Environmental Studies Institute Colloquium, UNBC; Prince George, BC.; January 30, 2026. Oral Presenter: Oliver Iorhemen (Invited Talk).

  7. Iorhemen, O. T. Beyond Treatment: Advancing Wastewater Biorefinery for a Sustainable Future. Department of Civil Engineering Seminar Series, University of Victoria; Victoria, BC.; Nov. 14, 2025. Oral Presenter: Oliver Iorhemen (Invited Talk).

  8. Iorhemen, O. T. Wastewater Biorefinery: Transitioning Wastewater Treatment Plants to Water Resource Recovery Facilities. PEOPLE (Persistent, Emerging, and Oil PoLlution in cold marine Environments) 2025 International Conference; St. John’s, NL.; July 21 – 25, 2025. Oral Presenter: Oliver Iorhemen (Invited Talk).

  9. Kaur, M., Vesuwe, R.N., Thring, R.W., Iorhemen, O.T. The recovery of xanthan from aerobic granular sludge wastewater treatment systems. PEOPLE 2025 International Conference; St. John’s, NL.; July 21–25, 2025. Oral Presenter: Rebecca Vesuwe.

  10. Vesuwe, R.N., Nabaterega, R., Ukaigwe, S., Thring, R.W., Iorhemen, O. T. A systematic review of ammonia removal via simultaneous nitrification and denitrification in membrane aerated biofilm reactor systems. PEOPLE 2025 International Conference; St. John’s, NL.; July 21–25, 2025. Oral Presenter: Rebecca Vesuwe.

  11. Nabaterega, R., Vesuwe, R.N., Iorhemen, O. T., Thring, R.W. Evaluation of major operating factors that influence biodiesel yield based on literature data. The UNBC Northern Functional Molecules Research Collective’s 2nd Annual Symposium; Prince George, BC.; July 11, 2025. Oral Presenter: Resty Nabaterega.

  12. Vesuwe, R.N., Nabaterega, R., Thring, R.W., Iorhemen, O.T. Method comparison for EPS extraction in AGS wastewater treatment systems. The UNBC Northern Functional Molecules Research Collective’s 2nd Annual Symposium; Prince George, BC.; July 11, 2025. Oral Presenter: Rebecca Vesuwe.

  13. Iorhemen, O. T. Biorefinery possibilities in wastewater treatment plants: the path to water resource recovery facilities. 3rd International Water Association (IWA) Young Water Professionals Canada Conference; Edmonton, AB.; June 18 – 20, 2025. Oral Presenter: Oliver Iorhemen (Invited Talk).

  14. Ali, A.A., Thring, R.W., Iorhemen, O.T. Application of biofiltration for the treatment of wildfire-impacted raw water. 3rd IWA-YWP Canada Conference; Edmonton, AB.; June 18 – 20, 2025; Oral Presenter: Adedamola Ali.

  15. Nabaterega, R., Vesuwe, R., Iorhemen, O. T. Application of multiple criteria analysis to select the best biofilter media material for pollutant removal via wastewater biofiltration. 3rd IWA – YWP Canada Conference; Edmonton, AB.; June 18 – 20, 2025. Oral Presenter: Resty Nabaterega.

  16. Ali, A.A., Thring, R.W., Iorhemen, O.T. Enhanced dissolved organic matter (DOM) removal in process intensified biofiltration. 12th Western Canadian Symposium on Water Quality Research; Edmonton, AB.; June 17, 2025. Oral Presenter: Adedamola Ali.

  17. Adekunle, A., Nabaterega, R., Iorhemen, O.T. Optimization of curdlan biosynthesis in the granule matrix during wastewater treatment in AGS. 12th Western Canadian Symposium on Water Quality Research; Edmonton, AB.; June 17, 2025. Oral Presenter: Resty Nabaterega.

  18. Mohammadpour, M., Nabaterega, R., Iorhemen, O. T. Exploring the potential of VFA from AGS process as a renewable feedstock for biodiesel production: A review. CSCE Annual Conference; Winnipeg, MB.; May 28 – 30, 2025. Oral Presenter: Mehdi Mohammadpour.

  19. Mohammadpour, M., Iorhemen, O. T. Recovery of high-value amino acids from wastewater: optimizing tyrosine and phenylalanine production in AGS systems. CSCE Annual Conference; Winnipeg, MB.; May 28 – 30, 2025. 3MT Presenter: Mehdi Mohammadpour.

  20. Adekunle, A., Iorhemen, O. T. The recovery of curdlan from AGS wastewater treatment systems. National Water and Wastewater Conference; Winnipeg, MB.; Nov. 3 – 6, 2024. Oral Presenter: Adedoyin Adekunle.

  21. Groenenberg, E., Iorhemen, O. T., Garcia-Becerra, F.Y. Seasonal performance dynamics for subsurface treatment wetlands in cold climates. International Water Association (IWA) World Water Congress & Exhibition; Toronto, ON.; August 11 – 15, 2024. Oral Presenter: Erik Groenenberg.

  22. Kaur, M., Iorhemen, O. T. Xanthan recovery from AGS wastewater systems. 2nd Canadian IWA-YWP Canada Conference; Vancouver, BC.; June 1 – 3, 2023; Oral Presenter: Manveer Kaur.

  23. Odoom, J., Li, J., Iorhemen, O. T. Oily wastewater treatment using adsorption. CSCE Annual Conference; Moncton, NB.; May 24 – 27, 2023. Oral Presenter: Oliver Iorhemen.

  24. Iorhemen, O.T. Wastewater treatment and reclamation using AGS membrane bioreactor. 58th Canadian Association on Water Quality (CAWQ) Annual Central Research Symposium; Toronto, ON.; March 20 – 21, 2023. Oral Presenter: Oliver Iorhemen.

  25. Iorhemen, O.T., Ukaigwe, S. Biorefinery paradigm in wastewater management: opportunities for resource recovery from AGS systems. CSCE Annual Conference; Whistle, BC.; May 25 – 28, 2022. Oral Presenter: Oliver Iorhemen.