Ngai Yin Yip

Principal Investigator

Dr. Ngai Yin Yip received his Ph.D., M.S., and M.Ph. in Chemical and Environmental Engineering from Yale University, and B.Eng. in Civil and Environmental Engineering (Minor in Business Administration) from Nanyang Technological University, Singapore. He joined Columbia University in 2015 as an Assistant Professor and has been the Lavon Duddleson Krumb Assistant Professor of Earth and Environmental Engineering since 2020.

Dr. Yip’s research interest is focused on advancing physicochemical technologies and innovations for critical separation challenges in water, energy, and the environment, including high-salinity desalination, zero-liquid discharge, resource recovery from wastewaters, next-generation selective membranes, switchable solvents for water treatment, and low-grade heat utilization. See description of active projects.

Dr. Yip’s research contributions have earned him numerous recognitions, including the James J. Morgan Early Career Award (Honorable Mention) from Environmental Science & Technology. He has also been featured as an Emerging Investigator in Environmental Science: Water Research & Technology and as a Young Talent in Frontiers of Environmental Science & Engineering. He currently serves as an associate editor of RSC journal Environmental Science: Advances. Additionally, he is a Early Career Board member of ACS ES&T Engineering (ACS) and an editorial board member of Desalination (Elsevier) and Chemical Engineering Journal Advances (Elsevier).

In the Fall semesters, Dr. Yip teaches Applied Transport and Chemical Rate Phenomena (EAEE E3200), and in the Spring semesters he is the instructor for Aquatic Chemistry (EAEE E4003). Other classes taught include CIEE E4252 Introduction to Environmental Engineering, and EAEE E2100 A Better Planet by Design, graduate elective EAEE 6140 Environmental Physicochemical Processes.


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