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SEMINAR: Nanotechnology for Water Treatment: Towards Low Energy Desalination and Water Purification
March 20 @ 11:00 am - 12:00 pm
University of Kentucky Department of Chemical and Materials Engineering Joint Seminar with the UK Center of Membrane Sciences
Nonconventional water sources, including seawater, brackish water and wastewater, have become an important, and in some regions, necessary form of water supply to sustain economic growth and societal development. At the center of the various strategies utilizing these alternative water sources is desalination and water purification. A critical limitation of existing desalination technologies is the high energy consumption. Much research effort has been devoted to the development of high permeability membrane materials to lower the energy demand of desalination. However, with the energy use of reverse osmosis systems approaching the thermodynamic limit, research on factors other than membrane permeability is necessary. Use of renewable energies and “fit-for-purpose” treatment are two potential solutions to further lower energy consumption of desalination and water purification. Combination of advanced materials and novel treatment processes have shown great promise in changing the technology landscape of desalination and water purification. This presentation will highlight recent research on novel nanotechnology enabled water treatment technologies, and discuss the fundamental science, materials development, reactor and process modeling, as well as systems research towards next generation water supply systems.
Qilin Li, Ph.D.
Professor, Civil and Environmental Engineering; Professor of Materials Science and NanoEngineering; Co-Director, NEWT Center
March 20, 2019
323 Manufacturing Building (RMB)
Dr. Li teaches courses and conducts research on physical and chemical processes that impact water quality in natural aqueous environment as well as water/wastewater treatment systems. Dr. Li’s current research focuses on the behaviors of environmental colloids and macromolecules at aqueous-solid interfaces and the subsequent impact on their fate and transport in natural and engineered systems. Ongoing research projects investigate fouling of membrane materials during surface water filtration, seawater desalination and wastewater reuse, nanotechnology enabled drinking water disinfection and surface microbial control, the environmental fate, transport and ecotoxicity of engineered nanomaterials, and sustainable water infrastructure. Dr. Li’s research group is devoted to finding a solution to sustainable water supply.