Imperial College London

Emeritus ProfessorNigelGraham

Faculty of EngineeringDepartment of Civil and Environmental Engineering

Senior Research Investigator



n.graham Website




Miss Judith Barritt +44 (0)20 7594 5967




406Skempton BuildingSouth Kensington Campus





Professor Nigel J.D. Graham is Professor of Environmental Engineering and previously Head of the Environmental and Water Resource Engineering Section. He has research interests in the field of Unit Processes for Water and Wastewater Treatment, and Water Supply Engineering. He has degrees from the University of Cambridge (BA, MA, ScD) and Imperial College London (MSc, DIC, PhD) and is a Chartered Engineer with corporate membership of the Institution of Civil Engineers (FICE), the Institution of Chemical Engineers (FIChemE) and the Chartered Institution of Water and Environmental Management (FCIWEM). He is an elected Fellow of the International Water Association, and was a co-recipient of the Institution of Civil Engineers Telford Gold Medal in 2010.

Professor Graham is a former Course Director of the MSc Course in Environmental Engineering and during 2010-12 he was advisor to the Faculty of Engineering on Environment and Water research. Professor Graham is an Honorary Professor at The Hong Kong Polytechnic University and holds a visiting Professorship at the Harbin Institute of Technology, China. Since 1990 he has served as Associate Editor of Ozone: Science and Engineering, the peer-review journal of the International Ozone Association.



Yang H, Li Y, Liu H, et al., 2024, The variation of DOM during long distance water transport by the China South to North Water Diversion Scheme and impact on drinking water treatment, Frontiers of Environmental Science and Engineering, Vol:18, ISSN:2095-2201

Liu M, Liu X, Graham NJD, et al., 2024, Uncovering the neglected role of anions in trivalent cation-based coagulation processes, Water Research, Vol:254, ISSN:0043-1354, Pages:121352-121352

Xu L, Song S, Graham NJD, et al., 2024, Simultaneous removal of NOM and sulfate in a bioelectrochemical integrated biofilter treating reclaimed water, Water Research, Vol:252, ISSN:0043-1354

Hou J, Guo S, Graham N, et al., 2024, r-HGO/MXene composite membrane with enhanced permeability and rejection performance for water treatment, Journal of Membrane Science, Vol:691, ISSN:0376-7388

Chen C, Yang Y, Graham NJD, et al., 2024, A comprehensive evaluation of the temporal and spatial fouling characteristics of RO membranes in a full-scale seawater desalination plant, Water Resources, Vol:249, ISSN:0097-8078

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