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Dr. Ahmed Al Hajaj

Dr. Ahmed Al Hajaj


Dr. Ahmed Al Hajaj is an Assistant Professor of Chemical Engineering at Khalifa University since 2014 and a former visiting professor at MIT from 2015 to 2016. Dr. Al Hajaj received his BSc in Mechanical Engineering from the University of Arizona, in 2004. He followed with master’s degrees in Mechanical Engineering from the University of Miami, in 2006 and another in Sustainable Energy Futures from the Imperial College London in 2008. In 2014 Dr. Al Hajaj completed his PhD in Chemical Engineering from the Imperial College London.

Dr. Al Hajaj research field lies at the interface of chemical engineering, operations research, computational chemistry and biology.  His research focuses in major areas of process systems engineering:  product synthesis and process design; operation and scheduling; optimization; control. His research goal is to develop systematic tools that help process industries understand the performance of complex systems and solve decision making issues.

Dr. Al Hajaj aim of teaching is to enhance students’ ability in applying and integrating elements of chemical engineering to solve problems of analysis, design, operation, control and optimization in chemical engineering practice. His goal is to enhance students ability in developing first-principle mathematical models derived from an understanding of the fundamental process physics and the interaction between physics and mathematical/numerical solution methods.

  • PhD in Chemical Engineering from the Imperial College London – 2014
  • MSc in Mechanical Engineering from the University of Miami – 2006
  • CHE 502 Analysis of transport phenomena
  • CHE 505 Systems Engineering
  • Multi-scale design and analysis of CO2 capture, utilization and storage networks, collaborative project between Masdar Institute and MIT, (PI at MI).
  • Graphene enabled ion exchange membranes, collaborative project between Masdar Institute and University of Manchester, (Co-PI at MI).
  • Design and analysis of CO2 networks using geographical information system.
  • Evaluation of the use of Oxygen from the Mirfa Plant, funded by Maersk Oil, (Co-PI).
  • Design and analysis of CO2-EOR using system dynamics.
  • Techno-economic evaluation of simultaneous CO2 capture and utilization, using Na/Ca based materials, funded by ENGSL, (Co-PI).
  • Alhajaj, A., Mac Dowell, N., Shah, N., 2016a. A techno-economic analysis of post-combustion CO2 capture and compression applied to a combined cycle gas turbine: Part I. A parametric study of the key technical performance indicators. International Journal of Greenhouse Gas Control 44, 26-41.
  •  Alhajaj, A., Mac Dowell, N., Shah, N., 2016b. A techno-economic analysis of post-combustion CO2 capture and compression applied to a combined cycle gas turbine: Part II. Identifying the cost-optimal control and design variables. International Journal of Greenhouse Gas Control 52, 331-343.
  • Abu-Zahra, M.R.M., El Nasr, A.S., Al Hajaj, A., Goetheer, E.L.V., 2016. 27 – Techno-economics of liquid absorbent-based post-combustion CO2 processes A2 – Feron, Paul H.M, Absorption-Based Post-combustion Capture of Carbon Dioxide. Woodhead Publishing, pp. 685-710.
  • Alhajaj, A., Dowell, N.M., Shah, N., 2013. Multiscale design and analysis of CO2 capture, transport and storage networks. Energy Procedia 37, 2552-2561
  • Mokhtar, M., Ali, M.T., Khalilpour, R., Abbas, A., Shah, N., Alhajaj, A., Armstrong, P., Chiesa, M., Sgouridis, S., 2012. Solar-assisted post-combustion carbon capture feasibility study. Applied Energy 92, 668-676.
  • Mac Dowell, N., Alhajaj, A., Konda, M., Shah, N., 2011. Multiscale whole-systems design and analysis of CO2 capture and transport networks, in: Pistikopoulos, E.N., Georgiadis, M.C., Kokossis, A.C. (Eds.), 21st European Symposium on Computer Aided Process Engineering, pp. 1205-1209.

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