Water and wastewater treatment: biological, physical, and chemical treatment processes
Indirect potable reuse (IPR) and direct potable reuse (DPR): Water quality, public health, and public perception
Advanced oxidation processes (AOPs): Ozone, ozone/H2O2, UV/H2O2, TiO2 photocatalysis
Trace organic contaminants (TOrCs), including pharmaceuticals and endocrine disrupting compounds
Environmental microbiology (disinfection and methods): Bacteria, viruses, and protozoan parasites