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نبذة عن وكيل الجامعة للدراسات العليا و البحث العلمي

Khalid Ibrahim Alhumaizi
Prof. Alhumaizi is working now as the Vice-Rector for Graduate Studies and Scientific Research for, King Saud University, Riyadh, Saudi Arabia.

1. Ph. D. – Chemical Engineering, University of Minnesota, Minnesota, U.S.A, 1994, Thesis Title : “Dynamics of an autocatalytic reaction in a membrane Reactor”
2. M.S. - Chemical Engineering, University of Minnesota, Minnesota, U.S.A, 1990, Thesis Title : “ Feedback control of a countercurrent moving bed reactor”
3. B.S. - Chemical Engineering, King Saud University,1986 Saudi Arabia

Academic Appointments

1. Dean of Scientific Research, 2016-2018
2. Professor and Dean, College of Engineering, 2010-2016
3. Professor and Vice-Dean, Deanship of the Graduate Studies, 2007-2010
4. Professor and Head, Chemical Engineering Department, 2005-2007
5. Associate Professor and Head, Chemical engineering, 2003-2005
6. Assistant Professor, Chemical engineering 1994-2000
Research Interests: chemical and biochemical Processes synthesis, Control, Modeling and Simulation,
Publication and Books: Co-Author of five books, and more than 40 scientific papers.
CONSULTING WORK: Consulted for SABIC company (period 1998-2008) and King Abdulazeez City for Science and Technology (period 2000-2003) in the area of chemical reactors modeling and reaction kinetics, and for Ministry of Higher Education for the period 2006-2010.


1. Moustafa A. Soliman, Khalid Alhumaizi, Dynamics of a coating film flow on horizontal cylinders with van der Waals forces, Mathematical and Computer Modelling,  06; 57(s 11–12):2984–2997, 2013.
2. Emad Ali, AbdelHamid Ajbar, Khalid Alhumaizi, DYNAMICS OF RECOMBINANT DNA CULTURES UNDER TIME VARYING FEED CONDITIONS, Chemical Engineering Communications - CHEM ENG COMMUN 01/2012; 199(9):1155-1168.
3. Abdelhamid Ajbar, Khalid Alhumaizi, Mustafa Soliman,  Modeling and simulations of a reformer used in direct reduction of iron, Korean Journal of Chemical Engineering (Impact Factor: 1.06). 01/2011; 28(12):2242-2249. DOI:10.1007/s11814-011-0122-5
4. M. Al-haj Ali, A. Ajbar, E. Ali, K. Alhumaizi , Study of cyclic operation of RO desalination process, The Canadian Journal of Chemical Engineering (Impact Factor: 1). 11/2010; 89(2):299 - 303. DOI:10.1002/cjce.20407
5. Abdelhamid Ajbar, Khalid Alhumaizi, Ahmed Ibrahim, Mohammad Asif,  Hydrodynamics of gas fluidized beds with mixture of group D and B particles, The Canadian Journal of Chemical Engineering (Impact Factor: 1). 05/2010; 80(2):281 - 288. DOI:10.1002/cjce.5450800213
6. M. Alhaj Ali, A. Ajbar, E. Ali & K. Alhumaizi, Robust model-base control of a tubular reverse-osmosis desalination unit, Desalination, V.255, 1-3, 31,page 126-136, 2010.
7. M. Alhaj Ali, Emad. Ali A. Ajbar, K. Alhumaizi, Control of molecular weight distribution of polyethylene in gas-phase fluidized bed reactors, Korean J. Chem. Eng.,27(1), 364-372, 2010
8. M. Alhaj Ali, A. Ajbar, E. Ali & K. Alhumaizi, Modeling the Transient Behavior of an Experimental Reverse Osmosis Tubular Membrane”, Desalination, V. 245,pp. 194-204, 2009.
9. K. Alhumaizi & A. Abahusain, Analysis and simulation of cross-flow reactor for ethylene epoxidation, Chemical Product & Process modeling, 2007, Vol.2, Issue 1.
10. K. Alhumaizi, Flux-limiting solution techniques for simulation of reaction diffusion convection system, Communications in Nonlinear Science and Numerical Simulation, 2007, Volume 12, Issue 6, p. 953-965.
11. K. Alhumaizi and A. Ajbar “Optimization of An Unstructured First-Order Kinetic Model of Cyclically Operated Bioreactors, Journal of Environmental Engineering, Volume 132, Issue 5, pp453-462, May2006 .
12. Ajbar, K. Alhumazi and M. Asif, “Improvement of the Fluidizability of Cohesive Powders Through Mixing with Small Proportions of Group A Particles”, Canadian Journal of Chemical Engineering, 2005, V.83, pp 930-943.
13. K. Alhumaizi , E. Ali &A. Ajbar, “Study of Some Unique Features of Ratio-Dependent Models for Predator-Prey-Substrate Interactions In Continuous Cultures”, Chemical Engineering Communication, 2006, Vol.193, No.10,pp1164-1184
14. Jebril B., K. Alhumaizi K, A. Idris, A. Ibrahim, Simulation of turbo-expander for recovering of natural gas liquids from natural gas, Saudi Aramco Journal of Technology, Fall 2005, pp9-14
15. M. A. Rakib and K. I. Alhumaizi, “Modeling of a Fluidized Bed Membrane Reactor for the Steam Reforming of Methane: Advantages of Oxygen Addition for Favorable Hydrogen Production”, Energy& Fuels, 19 (5), 2129 -2139, 2005.
16. K. Alhumaizi “A Moving Collocation method for the Solution of the Transient Convection-Diffusion-Reaction Problems”, Journal of Computational and Applied Mathematics, 2006, vol.193, Issue 2, pp 484-496.
17. K. Alhumaizi & A. Ajbar “Dynamics of Predator-Prey Interactions in continuous culture”, Eng. Life. Sci., 2005, 2, No.2.
18. Al-Kinany M.C., B.Y Jebril, S.H. Al-Khowiter, M.A. Al-Dousary, H.M. Al-Megren,, S.M. Al-Zaharni & K. Alhumaizi “ Low temperature transalkylation of o-diethylbenzene with benzene to ethylbenzene using triflic acid as a catalyst”, Chemical engineering and Processing, 44, 2005, 841-846.
19. Soliman M. A. & K. Alhumaizi, “Studies on the method of orthogonal collocation, VI: a moving mollocation method for the solution of transient heat conduction problem”, J. King Saud Univ., Vol. 17, Eng. Sci. (2), 2005, pp213-226.
20. Ali, E. & K. Alhumaizi, “Advanced control strategy for a chemical polymerization reactor”, ICGST International journal on automatic control and System Engineering, V1, Dec. 2004, pp34-55.
21. Alhumaizi K., “Comparison of finite difference methods for the numerical simulation of reacting flow”, Computers and Chemical Engineering, 2004, 28, 1759-1769.
22. Ali, E., K. Alhumaizi and A. Ajbar “Multivariable Control of a Simulated Industrial Gas-Phase Polyethylene Reactor”, Ind. Eng. Chem. Res. 2003, 42, 2349-2364.
23. Al-Zahrani S. M., M. C. Alkinany, K.I. Alhumaizi, and S. H. Al-Khowaiter “Kinetics and mechanisms of transalkylation and disproportionation of meta-diethylbenzene by triflic acid catalyst” International Journal of Chemical Kinetics, 2003, Volume 35, Issue 11 , Pages 555 – 563,
24. Abashar M.E.E., K.Alhumaizi and A.M. Adris, “Investigation of methane steam reforming in fluidized bed membrane reactors”, Trans IChemE, 2003, Vol.18 251-258.
25. Alhumaizi K. , R. Henda and M. Soliman “Numerical analysis of a reaction-diffusion-convection system”, Computers & Chemical Engineering, Volume 27, Issue 4 , 15 April 2003, Pages 579-594.
26. Henda R. and K. Alhumaizi “Spatiotemporal Patterns in a Two-Dimensional Reaction-Diffusion-Convection system: Effect of Transport Parameters ”Mathematical and Computer Modeling. Volume 36, issue 11-13, pages 1361-1373, 2002.
27. Ajbar A., K. Alhumaizi, A. Ibrahim, and M. Asif, “Hydrodynamics of gas fluidized beds with mixture of group D and B particles”, Canadian J. of Chemical Eng., Vol. 80, 2002, 281-288.
28. Al-Zahrani S. M., M. C. Alkinany, K.I. Alhumaizi, and S. H. Al-Khowaiter “Transalkylation and isomerization of ortho-diethylbenzene with benzene using Trifluoromethanesulphonic acid catalyst: kinetic study”, Chemical Enginnering and Processing, 41, 2002, 321-327.
29. Ajbar, K Alhumaizi and S.S.E.H Elnashaie “Classification of static and dynamic behavior in a fluidized-bed catalytic reactor”, Chemical Engineering Journal, 54, 2001, 503-516.
30. Alhumaizi K., V.M. Akhmedov, S.M. Al-Zahrani and S. H. Al-Khowaiter “ Low temperature hydrocracking of n-heptane over Ni-supported caltalysts: study of global kinetics”, Applied Catalysis, General, 5662, 2001, pp1-10.
31. Ajbar A. and K. Alhumaizi “Gas phase polyethylene reactors: a global study of stability behavior”, Trans. IChemE, Vol.79, Part A, March 2001.
32. Alhumaizi K.and A. E. Abasaeed “ Modeling, Simulation and bifurcation analysis of a mutation autocatalytic reactor”, J. King Saud Univ., Vol. 13, Eng. Sci. (1), 2001.
33. Alhumaizi K. and A. E. Abasaeed “On mutating autocatalytic reactions in a CSTR. Part I. Multiplicity of steady states”, Chemical Engineering Science, 2000.
34. Ajbar A. and K. Alhumaizi “Microbial competition: a study of global branching phenomena”, AICHE Journal, 2000.
35. Ali, E. and Alhumaizi K, “Temperature Control of Ethylene to Butene-1 Dimerization Reactor”, Ind. Eng. Chem. Res.,39, 1320-1329, 2000.
36. Alhumaizi K., “Stability analysis of the ethylene dimerization reactor for selective production of butene1’, Trans. IChemE, Vol.78, 492-498, 2000.
37. Ajbar A., and K. Alhumaizi “ Biodegradation of substitutable substrates in a continuous bioreactor with cell recycle: a study of static bifurcation”, Mathl. Comput. Modelling. V. No. PP. 2000
38. Alhumaizi K.“ Chaotic behavior of an autocatlytic reaction with mutation”, Chaos, Solitons and Fractals, Vol. No., PP. , 2000
39. Alhumaizi K. and M. Soliman “ Studies on the method of orthogonal collocation: V- Multiple steady states in catalyst particles” Journal of King Saud Univesity, Vol. 12, [Engineering Science No.1], pp. , 1999
40. Ali E., K. Alhumaizi, A. Ajbar “Model prediction and robust control of multistage flash (MSF) desalination plants”, Desalination, 121, pp 65-85, 1999.
41. Ali E., A. Ajbar, K. Alhumaizi “Robust control of industrial multistage flash desalination plants”, Desalination, 14/3, pp 65-85, 1997.
42. Alhumaizi K., and S.S.Elnashaie “ Effect of control loop configuration on the bifurcation behavior and gasoline yield of industrial fluid catalytic cracking units”, mathl. Comput. Modelling, Vol.25, No.3, pp37-56, 1997
43. Alhumizi K., and R. Aris “ Chaos in a simple two-phase teactor” Choas, Soliton & Fractals, Vol.4, No.11, pp1985-2014, 1994.


• Alhumaizi K. Numerical methods for convective-dominant flow problems, Paper (AK2), 4th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT2005) Cairo, CD-ROM Publication.
 K. Alhumaizi, M. Soliman, S. AlZahrani, A. Almutlaq, M. Motlagh, S. A. Niaz, S. Munawar, Q. Habib and F. A. Dulaijan, Mathematical Modeling and Simulation of DRI Shaft Furnace at HADEED DR Plant
• Idriss A. , A. A. Ibrahim and B.Y. Jibril, K. I. Alhumaizi, “Simulation of natural gas processing for recovery of NGLs”, Petrotech, Bahrain, 2003.
• Henda R. and Alhumaizi K., “Formation of spatiotemporal patterns induced by convection in an autocatalytic system”, 51st Canadian Chemical Engineering Conference, Hlifax, Canada, 2001.
• Alhumaizi K., Henda R., Soliman M., “Dynamics and Stability of a Reaction-diffusion-convection System in a Tubular Reactor” ”, 51st Canadian Chemical Engineering Conference, Hlifax, Canada, 2001.
• Al-Zahrani S, F. Abdulaleem, and K. Alhumaizi, “Recovery of water from exhaust air of the dryig process in red-brick factories”, Fifth Saudi Engineering Conference, Vol.4, Mar 1999.
• K. Alhumaizi, M. Soliman and F. Trabzuni ”Stability analysis of the ethylene dimerization reactor for the selective production of butene-1”, Workshop of Engineering Applications of Polymers, May 2-3, 1999, KFUPM, Dahran, Saudi ARABIA.
• Emad Ali, K. Alhumaizi ”control of an ethylene dimerization reactor using linear and nonlinear controllers”, Workshop of Engineering Applications of Polymers, May 2-3, 1999, KFUPM, Dahran, Saudi ARABIA
• M. Alahmad, F. Abdulaleem, K. Alhumaizi, A.A Alkhodair “The application of flowsheeting approach in wastewater treatment and water reuse”, The Fourth Gulf Water Conference, Bahrain, 1999.
• K. Alhumaizi, M. Soliman and F. Trabzuni ”Dynamic modeling and bifurcation analysis of the ethylene dimerization reactor for the selective production of butene-1”, ISCRE15 (15th International Symposium on Chemical Reaction Engineering), California, U.S.A, 13-16 Sept. 1998.
• K. Alhumaizi “Modeling, simulation and control of multistage flash desalination plants” Fifth IDA International Conference Proceeding, Vol.3, pp111-130, Madrid, 6-9 October, 1997.
• Ajbar, K. Alhumaizi and S.S. Elnashaie “Chaotic behavior of a non isothermal fluidized bed catalytic reactor under conventional PID control” International Conference on Chaos and Fractals in Chemical Engineering, Rome, Sept. 2-6, 1996.
• K. Alhumaizi and S. Elnashaie, “ Control strategies of industrial fluid catalytic cracking units for the production of high octane number gasoline”, The Joint Saudi-Japanese Lecture Series on Biotechnolgy, membrane separation and catalytic processes, KACST, Riyadh, 1995.
• K. Alhumaizi and P. Doutidis, “ Output feedforward/feedback control of nonlinear processes”, AICHE annual meeting, Miami, USA, 1994.
• K. Alhumaizi and R. Aris, “Dynamics of a coupled autocatalytic reaction in a membrane reactor”, AICHE annual meeting, St. Louis, USA, 1993.









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