Current Ph.D. Students

Casey Ching

B.S., Environmental Engineering, Lehigh University, 2017

Research Interests: I am interested in improving our understanding of the fate and transport of trace organic contaminants in natural and engineered water systems. I am interested in understanding their transformations and their potential impacts on aquatic ecosystems and human health. My research will focus on developing adsorption-based remediation processes using cyclodextrin polymers to remove per- and polyfluoroalkyl substances (PFASs), a class of trace organics, from impacted groundwater.

Ji et al. JACS 2018
Xiao et al. Macromolecules 2019
Klemes et al. ACIE 2019
Yang et al. ACS Mat. Let. 2020
Ching et al. Env. Sci. Tech. 2020
Wang et al. Env. Sci. Tech. Lett. 2020


Paige Jacob

B.S., Environmental Science, Marist College, 2018

Research Interests: I am interested in understanding the effects of anthropogenic contaminants on water quality and how this impacts human and ecosystem health. Specifically, I am intrigued by the biotransformation of trace organic contaminants found in wastewater systems. My research will focus on characterizing per- and polyfluoroalkyl substances (PFASs) found in wastewater systems and evaluating the fate and transport of PFASs in these systems.

Jacob et al. ES&T 2021


Stephanie Rich

B.S., Environmental Engineering, Oregon State University, 2015
M.S., Water Science and Engineering, Karlsruhe Institute for Technology, 2018

Research Interests:  I am interested in improving environmental water quality by utilizing microbiological processes in wastewater treatment plants to reduce anthropogenic emissions. My research aims to advance the understanding of micropollutant biotransformations performed by wastewater microbial communities for the development of more cost-effective and energy-efficient wastewater treatment strategies. I am especially interested in the interactions of wastewater microorganisms with their environment at a metabolic level and how they are linked to operational parameters in wastewater treatment plants.


Nayantara Joseph

B.S., Environmental Engineering, Drexel University, 2019

Research Interests:  I am broadly interested in environmental contaminant management and remediation- specifically of anthropogenic contaminants in natural water systems. My research will focus on using machine learning tools to develop unique chemical signatures that can be used to identify the source and possible environmental transformations of per- and polyfluoroalkyl substances (PFASs) at various contamination sites. This will allow for rapid identification and differentiation of PFAS sources and possible resulting transformation compounds allowing for more informed remediation decisions for a specific site.

Charbonnet et al. ES&T 2021

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