Research Interest :

· Biotransformation and bioremediation of emerging organic pollutants in water

· Aquatic microbial ecology and biogeochemistry

· Biological nitrogen and phosphate removal and recovery in water

· Development and application of image-based machine learning methods in environmental microbiology

· Pathways and mitigation of nitrous oxide production during biological nitrogen removal

Featured Publications :

· Su, Q.*, Domingo-Félez, C., Jensen, M., Zhi M., Xu, B., Ng, H.*, Smets, B.F., 2024. Formation and fate of reactive nitrogen during biological nitrogen removal: important yet often ignored aspects of the nitrogen cycle. Environmental Science & Technology. 55, 22480–22504. *Corresponding Author

· Su, Q.*, Schittich, A.R., Jensen, M.M., Ng, H., Smets, B.F., 2021. Role of Ammonia Oxidation in Organic Micropollutant Transformation during Wastewater Treatment: Insights from Molecular, Cellular, and Community Level Observations. Environmental Science & Technology. 55, 2173–2188. *Corresponding Author

· Su, Q., Domingo-Félez, C., Jensen, M., Smets, B.F.*, 2019. Abiotic nitrous oxide (N2O) production is strongly pH dependent, but contributes little to overall N2O emissions in biological nitrogen removal systems. Environmental Science & Technology. 53(7), 3508-3516.

· Su, Q.*, Albani, G., Sundberg, J.F., Nielsen, T.G., Thamdrup, B., Jensen, M.M.*, 2022. Microbial Bioremediation of Produced Water under Different Redox Conditions in Marine Sediments. Water Research. 218, 118428. *Corresponding Author

· Su, Q., Domingo-Félez, C., Zhen Z., Blum, J., Jensen, M.*, Smets, B.F., 2019. The effect of pH on N2O production in intermittently-fed nitritation reactors. Water Research. 156, 223-231.

· Su, Q., Ma, C., Domingo-Félez, C., Kiil, A.S., Thamdrup, B., Jensen, M.M.*, Smets, B.F., 2017. Low nitrous oxide production through nitrifier-denitrification in intermittent-feed high-rate nitritation reactors. Water Research. 123, 429-438.

· Xu, B., Su, Q.*, Huang, S., Yang, Y., Shi, X., Choo K., Ng, H.*, Lee C., 2024. Quorum Quenching in Membrane Bioreactors for Fouling Retardation: Complexity Provides Opportunities. Environmental Science & Technology. 58, 22480-22501. *Corresponding Author

· Su, Q., Huang, S., Zhang, H., Wei, Z., Ng, H.*, 2023. Abiotic transformations of sulfamethoxazole by enzymatically produced reactive nitrogen species in biological nitrogen removal systems: Kinetics, mechanisms and pH effects. Journal of Hazardous Materials. 444, 130328.

· Su, Q., Andersen. H.R., Bazylinski, D., Jensen, M.M.*, 2023. Effect of oxic and anoxic conditions on intracellular storage of polyhydroxyalkanoate and polyphosphate in Magnetospirillum magneticum strain AMB-1. Frontiers in Microbiology. 14, 1203805.

· Blum, J.#, Su, Q.#, Ma, Y., Valverde-Pérez, B., Domingo-Félez, C., Jensen, M., and Smets, B.F., 2018. The pH dependency of N-converting enzymatic processes, pathways and microbes: effect on net-N2O production. Environmental Microbiology. 20(5), 1623-1640. #Co-first Authors