Dr. Tim Huelsen

Dr. Tim Huelsen

Dr. Tim Huelsen

Adjunct Lecturer

Academic Qualifications



  1. Purple phototropic bacteria aggregates: In-situ protein-rich feed production from aquaculture wastewater (2020) UQ Early Career Researcher
  2. Efficient CO and CO2 conversion to biopolymers using phototrophic bacteria (2019–2022) ARC Discovery Projects
  3. Protein-rich feed production from agri-industrial wastewaters by phototrophic bacteria (2019–2022) Advance Queensland Industry Research Fellowships
  4. MLA - Wastes to Profits (Meat and Livestock Australia grant administered by Queensland University of Technology) (2018–2022) Queensland University of Technology
  5. Problem to Profit: Developing a sustainable feed base from agricultural wastes using single cell protein (2016–2018) Australian Meat Processor Corporation
  6. Anaerobic Ammonium Removal (AAR) Wastewater Treatment Facility (2015–2022) Meat & Livestock Australia
  7. Waste to Revenue: Novel Fertilizers and Feeds (2015–2018) Australian Pork
  8. Purple phototrophic bacteria for resource recovery from red meat processing wastewater (2015–2016) Australian Meat Processor Corporation


Book Chapter

  1. Puyol, D, Monsalvo, V.M, Marin, E., Rogalla, F, Melero, J. A, Martinez, F, Hülsen, T, Batstone, D. J. (2020) Wastewater Treatment Residues as Resources for Biorefinery Products and Biofuels. Olivares, J.A., Puyol, D., Melero, J.A. and Dufour, J. (eds), pp. 255-280, Elsevier.
  2. Fatone, F, Baeza, J.A, Batstone, D, Cema, G, Crutchik, D, Díez-Montero, R, Hülsen, T, Lyberatos, G, McLeod, A, Mosquera-Corral, A, Oehmen, A, Plaza, E, Renzi, D,Soares, A. and Tejero, I. (2017) Nutrient removal. In J.M. Lema and S. Suarez, Innovative Wastewater Treatment & Resource Recovery Technologies: Impacts on Energy, Economy and Environment (pp. 3-39), IWA Publishing.
  3. Hülsen, T, Carvalho, G, Egger, F, Cruz, H, Verstraete, W, Batstone, D.J. and Pikaar, I. (2020) Wastewater Treatment Residues as Resources for Biorefinery Products and Biofuels. Olivares, J.A, Puyol, D, Melero, J.A. and Dufour, J. (eds), pp. 355-389, Elsevier.

Journal Article

  1. Capson-Tojo, G, Batstone, D. J., Grassino, M, Vlaeminck, S. E., Puyol, D, Verstraete, W, Kleerebezem, R, Oehmen, A, Ghimire, A, Pikaar, I, Lema, J. M. and Hülsen, T. (2020). Purple phototrophic bacteria for resource recovery: Challenges and opportunities. Biotechnology Advances, 43 107567.
  2. Egger, F, Hülsen, F, Tait, S, Batstone, D. J. (2020). Autotrophic sulfide removal by mixed culture purple phototrophic bacteria. Water Research 182, 115896.
  3. Dalaei, P., Bahreini, G., Nakhla, G., Santoro, D., Batstone, D. and Hülsen, T. (2020). Municipal wastewater treatment by purple phototropic bacteria at low infrared irradiances using a photo-anaerobic membrane bioreactor. Water Research 173, 115535.
  4. Hülsen, T., Lu, Y., Rodríguez, I., Segura, Y., Martínez, F., Puyol, D. and Batstone, D.J. (2020). Anaerobic digestion of purple phototrophic bacteria – The release step of the partition-release-recover concept. Bioresource Technology 306, 123125.
  5. Puyol, D., Hülsen, T., Padrino, B., Batstone, D. J., Martinez, F. and Melero, J. A. (2020). Exploring the inhibition boundaries of mixed cultures of purple phototrophic bacteria for wastewater treatment in anaerobic conditions. Water Research, 183 116057, 116057.
  6. de Las Heras, I., Molina, R., Segura, Y., Hülsen, T., Molina, M., Gonzalez-Benítez, N., Melero, J., Mohedano, A., Martínez, F. and Puyol, D. (2020) Contamination of N-poor wastewater with emerging pollutants does not affect the performance of purple phototrophic bacteria and the subsequent resource recovery potential. Journal of Hazardous Materials 385, 121617.
  7. Hülsen, T, Sander, E. M, Jensen, P.D, and Batstone, D. J. (2020). Application of purple phototrophic bacteria in a biofilm photobioreactor for single cell protein production: biofilm vs suspended growth. Water Research, 181 115909, 115909.
  8. Matassa, S, Papirio, S, Pikaar, I, Hülsen, T, Leijenhorst, E, Esposito, G, Pirozzi, F and Verstraete, W. (2020). Upcycling of biowaste carbon and nutrients in line with consumer confidence: the "full gas" route to single cell protein. Green Chemistry, 22 (15), 4912-4929. doi: 10.1039/d0gc01382j
  9. Hülsen, T, Hsieh, K and Batstone, D. J. (2019). Saline wastewater treatment with purple phototrophic bacteria. Water Research, 160, 259-267.
  10. Zarezadeh, S., Moheimani, N., Jenkins, S., Hülsen, T., Riahi, H., Mickan, B. (2019). Microalgae and phototrophic purple bacteria for nutrient recovery from agri-industrial effluents: Influences on plant growth, rhizosphere bacteria and putative carbon and nitrogen cycling genes. Frontiers in Plant Science 10 (1193).
  11. Batstone, D.J., Hülsen, T. and Oehmen, A. (2019). Metabolic modelling of mixed culture anaerobic microbial processes. Current Opinion in Biotechnology 57, 137-144.
  12. Delamare-Deboutteville, J, Batstone, D. J., Kawasaki, M, Stegman, S, Salini, M, Tabrett, S, Smullen, R, Barnes, A. C. and Hülsen, T. (2019). Mixed culture purple phototrophic bacteria is an effective fishmeal replacement in aquaculture. Water Research X, 4 100031, 100031.
  13. Hülsen, T, Hsieh, K Tait, S, Barry, E. M., Puyol, D and Batstone, D. J. (2018). White and infrared light continuous photobioreactors for resource recovery from poultry processing wastewater – a comparison. Water Research, 144, 665-676.
  14. Hülsen, T, Hsieh, K, Lu, Y, Tait, S and Batstone, D. J. (2018). Simultaneous treatment and single cell protein production from agri-industrial wastewaters using purple phototrophic bacteria or microalgae - a comparison. Bioresource Technology, 254, 214-223.
  15. Puyol, D., Barry, E. M., Hülsen, T. and Batstone, D. J. (2017). A mechanistic model for anaerobic phototrophs in domestic wastewater applications: photo-anaerobic model (PAnM). Water Research, 116, 241-253.
  16. Puyol, D, Batstone, D. J., Hulsen, T, Astals, S, Peces, M and Kromer, J. O. (2017). Resource recovery from wastewater by biological technologies: opportunities, challenges, and prospects. Frontiers in Microbiology, 7 (2106) 2106, 2106.
  17. Hülsen, T, Barry, E. M., Lu, Y, Puyol, D, Keller, J, and Batstone, D. J. (2016). Domestic wastewater treatment with purple phototrophic bacteria using a novel continuous photo anaerobic membrane bioreactor. Water Research, 100, 486-495.
  18. Hülsen, T, Barry, E. M., Lu, Y, Puyol, D and Batstone, D. J. (2016). Low temperature treatment of domestic wastewater by purple phototrophic bacteria: performance, activity, and community. Water Research, 100, 537-545.
  19. Batstone, D. J., Hülsen, T., Mehta, C. M. and Keller, J. (2015). Platforms for energy and nutrient recovery from domestic wastewater: A review. Chemosphere, 140, 2-11. doi: 10.1016/j.chemosphere.2014.10.021
  20. Matassa, S, Batstone, D. J., Hülsen, T, Schnoor, J, and Verstraete, W. (2015). Can direct conversion of used nitrogen to new feed and protein help feed the world?. Environmental Science and Technology, 49 (9), 5247-5254.
  21. Hülsen, T, Batstone, D, J. and Keller, J. (2014). Phototrophic bacteria for nutrient recovery from domestic wastewater. Water Research, 50, 18-26.

Professional Bodies

  1. International Water Association
  2. Australian Water Association