Olivier Lefebvre (Principal Investigator)

Dr Olivier Lefebvre is currently an Associate Professor in the Department of Civil and Environmental Engineering. His research work is mainly in the fields of electrochemical technologies, advanced oxidation processes, industrial wastewater treatment, technology transfer and water reuse. He is also an adjunct Professor at the Research Institute of Mines and Environment of the University of Quebec in Abitibi-Témiscamingue (UQAT) and a management committee member of the specialist group on water reuse, within the International Water Association. An agronomic engineer by formation, Olivier obtained his Ph.D. from Supagro Montpellier in 2005, on a collaborative work between the Narbonne laboratory of the French National Research Institute for Agricultural Research (INRA) and the Anna University in Chennai, India. The topic was related to biological treatment of tannery wastewater. Contact: ceelop@nus.edu.sg

Research Staff

Orlando García-Rodríguez (Senior Research Fellow)

Dr. Orlando García-Rodríguez joined the team as a research fellow since 2016. He has a technical background in biochemistry (Bachelor of Engineering in Biochemistry, GPA 92/100), renewable energies (MSc. In Renewable Energy, GPA 94/100) and electrochemistry (PhD in Electrochemistry, GPA 100/100) having expertise in wastewater treatment. He has more than 10 years of experience working with bioelectrochemical and electrochemical reactors for wastewater treatment conducting their scaling up to approach practical applications. Besides science, Orlando loves to travel and sports, he is part of the NUS staff running team. Contact: orlando@nus.edu.sg

Xu Jianxiong (Research Fellow)

Xu Jianxiong is a chinese girl who loves delicious food and traveling. Currently she is a Research Fellow  at the Civil and Environmental Engineering Department at NUS. Her research focuses on the fabrication of photoanodes for photoelectrocatalysis (PEC) and electro-Fenton (EF) process. Contact: e0015397@u.nus.edu

Loh Wei Hao (Research Fellow)

Dr. Loh Wei Hao first joined EWAT group as a FYP student in 2015/2016 (which he came in first in his cohort for FYP) and graduated from the NUS Bachelor of Engineering (Environmental Engineering) in July 2016.
After graduating, he joined the Sembcorp-NUS Corporate Laboratory as a research engineer, working on AOP-biological treatment for industrial wastewater treatment till end 2020. After which, he was involved in a PUB R&D project researching on the effects of dosing iron-containing sludge from waterworks on treatment performance and membrane fouling of a pilot-scale integrated membrane bioreactor system, prior to re-joining back the team. During this period of time, he also worked on his PhD research and successfully had his thesis defense in October 2021.
He has expertise in environmental chemistry, electrochemistry and advanced oxidation processes for water/wastewater treatment and has experience in running biological treatment systems.  Contact: eriwhl@nus.edu.sg


Huan Jiang (PhD candidate)

Huan Jiang is the newest member of EWAT group, she has bachelor degree in Environmental Engineering from the Northwest Normal University and a Master of Science from Peking University. Her research in EWAT group focuses in the synthesis of catalysts for the electrochemical reduction of CO2. She likes to cook, swim and play basketball. Contact:  jianghuan@u.nus.edu

Zhou Dian (Master’s student)

Zhou Dian is a master’s student from CEE department. His research focuses on the use carbon powder to improve the oxygen reduction via 2 electrons at carbon felt cathodes.

Bobin Joseph (Master’s student)

Bobin Joseph is an environmental engineering master’s student under the CEE department. He also finished a graduate degree course in technology for environmental sustainability. He’s interested in biological waste treatment of various waste water streams. He also possesses a mechanical engineering bachelor’s degree.

Niu Jing (Master’s student)

Niu Jing is an environmental engineering master’s student at NUS’s CEE department. She is working on electrochemical treatment of industrial wastewater with a pre-pilot prototype. Cooking, painting, and basketball are some of her favorite pastimes.

Former Members

Riccardo Muzzi (PhD)

Dr. Riccardo Muzzi is a former PhD student from Italy. His research focused in the study of wastewater toxicity evolution during its electrochemical treatment. Contact: e0149669@u.nus.edu

Hugo Olvera-Vargas (Research Fellow)

Dr. Hugo Olvera-Vargas was a research fellow in EWAT group. Previously, he was postdoctoral fellow at Paul Sabatier University, Toulouse, France. He obtained his MSc degree in Analytical Chemistry at the Autonomous University of the State of Mexico, Mexico, and his PhD in Chemistry and Environmental Science at the University of Paris-Est, France (jointly with the UNESCO-IHE Delft Institute for Water Education, The Netherlands). He has expertise in environmental chemistry, electrochemistry and advanced oxidation processes for water remediation. His research lines are focused on electrochemical technologies for industrial wastewater treatment and the degradation of contaminants of emerging concern (mechanisms and kinetics). Dr. Hugo has published several scientific articles and presented his work in numerous international conferences. Currently, Dr. Olvera-Vargas has an academic position at the Institute of Renewable Energy in Mexico. Contact: huolv@ier.unam.mx

Zuxin Wang (Research Fellow)

Dr. Zuxin Wang is a former EWAT group doctoral student. During her PhD studies, her research focused on the application of electro-Fenton for industrial wastewater treatment and the development of high performance durable cathode materials. She collaborated as a research fellow in EWAT group for a year, optimizing the electro-coagulation process for the treatment of sludge from a local farm. Nowadays, Dr. Wang started an academic position as a lecturer in her hometown of Jilin in China at the School of Civil Engineering and Architecture, Northeast Electric Power University. Contact: wzuxin@gmail.com

Dr. Fengxia Deng

Fengxia is a former PhD exchange student who worked in our laboratory during a year. After returning to China, she obtained her PhD degree from the School of Environmental, Harbin Institute of Technology. Nowadays, Dr. Deng works at the Harbin Institute of Technology, where her main research topic is  electrochemical advanced oxidation of refractory organic wastewater. Aside from scientific research, she is also passionate about belly dancing. Contact: dengfx_hit@163.com

Dr. Xingyu Wu

Xingxu is a former PhD exchange student who worked from January 2021 to January 2022 in our research group. Her research focused on the study of the effect of salinity concentration in the electro-Fenton process during the treatment of industrial wastewater.


Final Year Project Students (undergraduate)