Staff
Stephany Wei
Dr. Stephany Wei
About Me
Stephany Wei holds a MS (2013) and PhD (2022), both in Civil & Environmental Engineering from the University of Washington in Seattle. Her PhD research covered topics on integration of aerobic granular sludge in continuous flow systems, nutrient recovery from source-separated urine, and ureolytic physiology of ammonia oxidizers. She is highly trained in bioreactor operations and possesses microbiology laboratory and molecular techniques. She is interested in exploiting microorganisms in innovative ways to achieve treatment goals and exploring the fascinating microbial ecology of activated sludge. She joined Eawag in May 2022, working with Dr. Morgenroth and Dr. Derlon on a project that uses an organic carrier to promote granulation.
Education and Training
2022 - present Postdoctoral Researcher at Eawag.
2015 - 2022 PhD in Civil & Environmental Engineering, University of Washington. Dissertation: “Applications of Aerobic Granulation Sludge and Source-Separated Urine for Enhanced Nutrient Removal and Recovery.”
2013 - 2015 Environmental Engineer at Brown and Caldwell.
2011 - 2013 MS in Civil & Environmental Engineering, University of Washington. Thesis: "Evaluation of Onsite Preanoxic Recirculating Gravel Filter Wastewater Treatment Systems for Nitrogen Removal"
Publications
Zhang, W., S. P. Wei, M. K. Winkler and A. V. Mueller (2022). "Design of a Soft Sensor for Monitoring Phosphorous Uptake in an EBPR Process." ACS ES&T Engineering.
Wei, S. P., H. D. Stensel, R. M. Ziels, S. Herrera, P. H. Lee and M. K. H. Winkler (2021). "Partitioning of nutrient removal contribution between granules and flocs in a hybrid granular activated sludge system." Water Research 203.
Wei, S. P., B. Nguyen Quoc, M. Shapiro, P. H. Chang, J. Calhoun and M. K. H. Winkler (2021). "Application of aerobic kenaf granules for biological nutrient removal in a full-scale continuous flow activated sludge system." Chemosphere 271: 129522.
Nguyen Quoc, B., S. Wei*, M. Armenta, R. Bucher, P. Sukapanpotharam, D. A. Stahl, H. D. Stensel and M. K. H. Winkler (2021). "Aerobic granular sludge: Impact of size distribution on nitrification capacity." Water Research 188.
Wei, S. P., H. D. Stensel, B. N. Quoc, D. A. Stahl, X. W. Huang, P. H. Lee and M. K. H. Winkler (2020). "Flocs in disguise? High granule abundance found in continuous-flow activated sludge treatment plants." Water Research 179.
Wei, S. P., F. van Rossum, G. J. van de Pol and M. K. H. Winkler (2018). "Recovery of phosphorus and nitrogen from human urine by struvite precipitation, air stripping and acid scrubbing: A pilot study." Chemosphere 212: 1030-1037.
*joint first author