个人简介
Professor Ajay K. Ray, Chair of Chemical and Biochemical Engineering Department at Western University, has made seminal research contributions in industrial process modeling and optimization; development of solar photocatalysis; and advancement of simulated moving bed technology for reactive separation. Dr. Ray has contributed to enhance engineering knowledge by devising innovative approaches to enhance process performance for applications in energy, environment, food and health, the key challenges facing the world. Dr. Ray is a prolific author, having written a text book on Engineering Mathematics and over 150 research articles in archival journals. The impact of his work is evident from high h-index and citations received. He has mentored over 50 graduate students. He is member of the editorial board of journals, recipient of the Research, Teaching and Faculty Scholars award, CrayQuest award, Distinguished Speakers award, and Distinguished Alumni award from Calcutta University.
Employment History
Professor, University of Western Ontario - 2005-
Associate Professor, National University of Singapore - 2001-2005
Assistant Professor, National University of Singapore - 1995-2001
Scientific Investigator, University of Groningen, Netherlands, 1993-1995
Postdoctoral Fellow, West Virginia University, USA, 1992-1993
Honours and Awards
Editor, Coulson and Richardson’s Chemical Engineering Book Series -2000, Elsevier Science, 2015
Maurice Bergougnou Award for Excellence in Teaching, University of Western Ontario, 2013
Member of International Scientific Council (ISC) of Tomsk Polytechnic University (TPU), Russian Federation, 2013
Western University Faculty Scholar Award, 2012
Faculty of Engineering Award for Excellence in Research, Western University, 2011
Distinguished Young Alumnus Award, University of Calcutta, India, 2010
Honorary Fellow of the Australian Institute of High Energetic Materials, 2010
Most Cited Author at Western Engineering
CMCSRI Distinguished Speakers Award Indian Institute of Chemical Engineers (IIChE), 2009
Maurice Bergougnou Award for Excellence in Teaching, University of Western Ontario, 2009
CrayQuest Award for excellence in R&D using high performance computing, 2009
Nomination for University of Western Ontario USC Award of Excellence in Undergraduate Teaching 2006-2007
Member of Editorial Board, Euro-Asian Journal of Applied Sciences, 2004
Member of Editorial Board, Euro-Asian Journal of Scientific Research, 2004
Teaching Commendation Certificate, National University of Singapore, 2004
Member of Editorial Board, International Journal of Chemical Reactor Eng., 2002
Member of Working Party, Asia Pacific Chemical Reaction Engineering (APCRE)
PROFESSIONAL ACTIVITIES
Event Administration
Organization of Technical Sessions at CSChE Annual Conference, 2011
Editorial Activities
Editor, Coulson and Richardson’s Chemical Engineering Book Series, Volume 2B: Separation Processes, Book (2015-2017)
Editorial Board Member, AIMS Bioengineering, Journal (2014-2017)
Editorial Board Member, Processes, Journal (2014-2016)
Editorial Board Member, Current Biochemical Engineering, Journal (2012-2016)
Editorial Board Member, European Journal of Scientific Research, Journal (2004-2016)
Editorial Board Member, International Journal of Chemical Reactor Engineering, Journal (2001-2016)
Reviewers, Applied Catalysis B: Environment; Journal of Hazardous Waste; Separation & Purification Technology; Canadian Journal of Chemical Engineering; Chemosphere; Water Research; Polymer Engineering Science, Journal (2000-2016)
Reviewers, AIChE Journal, Chemical Engineering Science, Chemical Engineering, Industrial & Engineering Chemistry Research, Environmental Science and Technology, Applied Catalysis A: General; Langmuir, Journal (2000-2016)
Special Issue Editor, Polymer Engineering Science - Special Issue in Honor of Professor Santosh K Gupta, 51(10), P1907-2117, 2011, Journal (2010-2011)
Knowledge and Technology Translation
Advisor, Consulting for Industry Group/Organization/Business Serviced: COFCO Corporation, Beijing, China (2015-2017) References: Biotechnology Center, Nutrition & Health Research Institute, COFCO Corporation, www.cofco.com
International Collaboration Activities
Visiting Professor - Tsinghua University, Beijing, China (2014/09-2014/11)
Visiting Professor - Indian Institute of Technology, Kharagpur, India (2014/07-2014/08)
研究领域
My indulgence in research is to pursue practical chemical engineering issues in order to leave behind positive changes for society and industry. My research thrust is aimed at synthesis of new environmentally-friendly materials, development of innovative reactor and new process design with emphasis on analysis of the interactions between the transport processes and chemical reactions, inventing novel approaches to improve process performance and process intensification, optimal operation of such process systems and its application to relevant problems in the chemical, biochemical, environmental and related industries. Novel processes are the key in finding new ways to produce useful products and energy sources with improved efficiency, reactor simplicity, and lower costs. The motivation is to obtain a deep understanding required to develop the next generation of technologies for applications in energy, environment, food, health and water, the humanity's most important challenges for next few decades, and garner significant fundamental expertise in a wide range of areas such as reaction engineering, reactor design, fluid mechanics, separation processes, nanotechnology, modeling, simulation, and multi-objective optimization.
Many of my research problems deals with the mathematical modeling of various complicated engineering systems with interactions between the transport processes and chemical reactions. The design, development, simulation, optimization and analysis of chemical reactors and processes provide an ideal habitat to explore such problems. The objectives of the research are to gain fundamental understanding of the complex behavior of the nonlinear systems and use this understanding to practical advantage. All my research projects exhibit a good blend of fundamental theory and practice in terms of developing theoretical and computational tools addressing design and operational issues of complex systems followed by systematic experimental verification. Research approaches include analytical, experimental and numerical techniques.
I have made significant contributions particularly to three areas: semiconductor photocatalysis and photocatalytic reactor design, Simulated Moving Bed (SMB) systems, and process modeling, simulation and multi-objective optimization of (bio)chemical processes. The most notable contributions of my work on photocatalysis among others are few designs of novel photocatalytic reactor, effect of mass transfer and catalyst layer thickness on degradation of pollutants, reaction kinetics and mechanism of organics as well as removal of toxic metal ions. In Simulated Moving Bed (SMB), my noteworthy contributions include incorporation of reactions to SMB separation, multi-component separation, distributed feed and solvent, non-synchronous switching (Varicol operation), and hybrid SMB-crystallization. I am the first one to apply the concept of multi-objective optimization in the innovative design of SMB systems. In multi-objective optimization, I have optimized several important industrial chemical reactors and processes, such as hydrogen plant, hydrocracking process, ethylene and styrene manufacturing processes, and several polymer reactors such as Nylon 6, PMMA, Polyester and polyethylene. Recently, I have optimized oxidative coupling of methane (OCM) reaction in membrane and SMB reactors, ethylene oxide in catalytic membrane reactor, protein purification in circulating fluidized bed reactor and penicillin bio-reactor. Many of my articles on photocatalysis, SMB and optimization are highly cited and some of them are cited in recent books.
近期论文
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Saremirad, P., Wood, J., Zhang, Y., Ray, Ajay K.(2015). “Oxidative protein refolding on size exclusionchromatography: From batch single-column to multi-column counter-currentcontinuous processing”. Chemical Engineering Science.(In Press)
Mitra Ray, N., Ray, Ajay K.(2015). “Modeling, Simulation and Experimental Study of a Simulated Moving Bed Reactor for the Synthesis of Biodiesel”. Canadian Journal of Chemical Engineering. (In Press)
Faraji, N., Zgang, Y., Ray, Ajay K.(2015). “Determination of Adsorption Isotherm Parametersfor Minor Whey Proteins by Gradient Elution Preparative Liquid Chromatography”. Journal of Chromatography A. (In Press)
Isimjan, T. T., Trifkovic, M., Abdullahi, I., Rohani, S., Ray, Ajay K.(2015). “Nanoscale Optimization and Statistical Modeling of Photoelectrochemical Water Splitting Efficiency of N-Doped TiO2 Nanotubes”. TOPICS IN CATALYSIS. 58(2-3): 114-122.
Chowdhury, P., Gomaa, H., Ray, Ajay K.(2015). “Sacrificial hydrogen generation from aqueous triethanolamine with Eosin Y-sensitized Pt/TiO2 photocatalyst in UV, visible and solar light irradiation”. Chemosphere. 121: 54-61.
Crapulli, F., Santoro, D., Sasges, M. R., Ray, S., Mahmoud, H., Ray, Ajay K.(2015). “Quantifying ultraviolet inactivation kinetics in nearly opaque fluids”. WATER QUALITY RESEARCH JOURNAL OF CANADA. 50(1): 34-46.
Hashim, N., Natarajan, P., Ray, Ajay K.(2014). “Intrinsic Kinetic Study for Photocatalytic Degradation of Diclofenac under UV and Visible Light”. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH. 53(49): 18637-18646.
Malekshoar, G., Pal, K., He, Q., Yu, A. P., Ray, Ajay K.(2014). “Enhanced Solar Photocatalytic Degradation of Phenol with Coupled Graphene-Based Titanium Dioxide and Zinc Oxide”. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH. 53(49): 18824-18832.
Saremirad, P., Wood, J. A., Zhang, Y., Ray, Ajay K.(2014). “Oxidative protein refolding on size exclusion chromatography at high loading concentrations: Fundamental studies and mathematical modeling”. JOURNAL OF CHROMATOGRAPHY A. 1370: 147-155.
Crapulli, F., Santoro, D., Sasges, M., Ray, Ajay K.(2014). “Mechanistic modeling of vacuum UV advanced oxidation process in an annular photoreactor”. Water research. 64: 209-225.
Gandhi, R., Sharma, V. K., Nakhla, G., Ray, Ajay K.(2014). “Treatment of Combined Sewer Overflows Using Ferrate (VI)”. WATER ENVIRONMENT RESEARCH. 86(11): 2202-2211.
Ivanov, S. Y., Ray, Ajay K.(2014). “Multiobjective optimization of industrial petroleum processing units using Genetic algorithms”. Procedia Chemistry. 10: 7-14.
Mukherjee, D., Barghi, S., Ray, Ajay K. (2014). “Degradation of Methyl Orange by TiO2/Polymeric Film Photocatalyst”. CANADIAN JOURNAL OF CHEMICAL ENGINEERING. 92(9): 1661-1666.
Saremirad, P., Wod, J. A., Zhang, Y., Ray, Ajay K. (2014). “Multi-variable operational characteristic studies of on-column oxidative protein refolding at high loading concentrations”. Journal of chromatography. A. 1359: 70-75.
Mao, S., Zhang, Y., Rohani, S., Ray, Ajay K.(2014). “Enantioseparation of racemic mandelic acid by simulated moving bed chromatography using Chiralcel-OD column”. CANADIAN JOURNAL OF CHEMICAL ENGINEERING. 92(7): 1283-1292.
Mukherjee, D., Barghi, S., Ray, Ajay K.(2014). “Preparation and Characterization of the TiO2Immobilized Polymeric Photocatalyst for Degradation of Aspirin under UV andSolar Light”. Processes. 2(1): 12-23.
Gilmore, C. R., Ray, Ajay K., Zhu, J., Ray, M. B.(2013). “Photocatalytic Performance of Titanium Dioxide Thin Films from Polymer-Encapsulated Titania”. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH. 52(50): 17800-17811.
Xu, J., Liu, Y. M., Xu, G. Q., Yu, W., Ray, A. K.(2013). “Analysis of a Non-isothermal Simulate Moving-Bed Reactor”. AICHE JOURNAL. 59(12): 4705-4714.
Li, D. B., Ray, M. B., Ray, Ajay K., Zhu, J.X.(2013). “A comparative study on hydrodynamics of circulating fluidized bed riser and downer”. POWDER TECHNOLOGY. 247: 235-259.
Li, D B., Ray, Ajay K., Ray, M. B., Zhu, J.(2013). “Catalytic reaction in a circulating fluidized bed riser: Ozone decomposition”. POWDER TECHNOLOGY. 242: 65-73.
Chowdhury, P., Malekshoar, G., Ray, M. B., Zhu, J., Ray, Ajay K.(2013). “Sacrificial Hydrogen Generation from Formaldehyde with Pt/TiO2 Photocatalyst in Solar Radiation”. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH. 52(14): 5023-5029.
Xu, J., Zhu, L., Xu, G. Q., Yu, W., Ray, Ajay K.(2013). “Determination of competitive adsorption isotherm of enantiomers on preparative chromatographic columns using inverse method”. JOURNAL OF CHROMATOGRAPHY A. 1273: 59-56.
Kundu, P. K., Ray, Ajay K., Elkamel, A. (2012). “Numerical simulation and optimisation of unconventional three-section simulated countercurrent moving bed chromatographic reactor for oxidative coupling of methane reaction”. CANADIAN JOURNAL OF CHEMICAL ENGINEERING. 90(6): 1502-1513.
Isimjan, T. T., Zhu, Y., Yang, D. Q., Rohani, S., Ray, Ajay K.(2012). “A New Approach of Tailoring Wetting Properties of TiO2 Nanotubular Surfaces”. Advanced Science Letters. 18: 158-163.
Li, D., Ray, Ajay K., Ray, M. B., Zhu, J.(2012). “Rotational asymmetry of reactant concentration and its evolution in a circulating fluidized bed riser”. PARTICUOLOGY. 10(5): 573-581.
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