Publications

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2022
Sbaaei, E. S., M. K. M. Fouad, and T. S. Ahmed, "Dynamic Modeling and Analysis of Process Constraints for Improvement for an Industrial Unipol® Polypropylene Fluidized Bed Reactor", Arabian Journal for Science and Engineering, vol. 47, pp. 6135–6154, 2022.
Abdelmigeed, M. O., A. H. Sadek, and T. S. Ahmed, "Novel easily separable core–shell Fe3O4/PVP/ZIF-8 nanostructure adsorbent: optimization of phosphorus removal from Fosfomycin pharmaceutical wastewater", RSC Advances, vol. 12, issue 20, pp. 12823-12842, 2022.
2021
Abdelmigeed, M. O., E. G. Al-Sakkari, M. S. Hefney, F. M. Ismail, T. S. Ahmed, and I. M. Ismail, "Biodiesel production catalyzed by NaOH/Magnetized ZIF-8: Yield improvement using methanolysis and catalyst reusability enhancement", Renewable Energy, vol. 174, pp. 253-261, 2021.
Abdelmigeed, M. O., E. G. Al-Sakkari, M. S. Hefney, F. M. Ismail, A. Abdelghany, T. S. Ahmed, and I. M. Ismail, "Magnetized ZIF-8 impregnated with sodium hydroxide as a heterogeneous catalyst for high-quality biodiesel production", Renewable Energy, vol. 165, pp. 405-419, 2021.
Elsayd, H. M., T. S. Ahmed, O. E. Abdel-Salam, M. Elshafei, and A. Abdelghany, "Numerical Investigation for the Valorization of Waste from HMD Cell Using Electrodialysis", Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 87, issue 2, pp. 17–26, 2021.
Khater, A. M., A. Soliman, T. S. Ahmed, and I. M. Ismail, "Power generation in white cement plants from waste heat recovery using steam-organic combined Rankine cycle", Case Studies in Chemical and Environmental Engineering, vol. 100138, 2021.
2020
Elshafei, M., A. M. Amer, A. M. Amer, Z. Khalifa, and T. S. Ahmed, "Evaluation of Capacitive Deionization Desalination Technology for Irrigation", Desalination and Water Treatment, vol. 193, pp. 11-18, 2020.
Bayoumy, S. H., S. M. El-Marsafy, and T. S. Ahmed, "Optimization of a Saturated Gas Plant: Meticulous Simulation-Based Optimization – A Case Study", Journal of Advanced Research, vol. 22, pp. 21-33, 2020.
Sbaaei, E. S., M. K. M. Fouad, and T. S. Ahmed, "Predictive two-phase modeling and improvement for industrial UnipolⓇ polypropylene process–Development and a case study", Computers & Chemical Engineering, vol. 134, pp. 106719, 2020.
2018
Sbaaei, E. S., and T. S. Ahmed, "Predictive modeling and optimization for an industrial Coker Complex Hydrotreating unit – development and a case study", Fuel, vol. 212, pp. 61–76, 2018.
2017
Ahmed, T. S., O. Y. Abdelaziz, and G. W. Roberts, "Hydrogenolysis of Glycerol over γ-Al2O3-Supported Iridium Catalyst", Periodica Polytechnica Chemical Engineering, vol. 61, issue 4, pp. 295-300, 2017.
El-Ghamaz, N. A., T. S. Ahmed, and D. A. Salama, "Optical, dielectrical properties and conduction mechanism of copolymer (N,N′-bissulphinyl-m-benzenediamine-p-phenylenediamine)", European Polymer Journal, vol. 93, pp. 8-20, 2017.
2016
Ahmed, T. S. -, O. Y. Abdelaziz, and G. W. Roberts, "Preparation of Al2O3/AlF3-Supported Ru Catalysts for Hydrogenolysis of Biodiesel-Derived Crude Glycerol", Industrial & Engineering Chemistry Research, vol. 55, issue 19, pp. 5536–5544, 2016.
2014
Mohammed, A. A., S. - E. K. Fateen, T. S. Ahmed, and T. M. Moustafa, "A Kinetic Model for Ethylene Oligomerization Using Zirconium/Aluminum- and Nickel/Zinc-Based Catalyst Systems in a Batch Reactor", Applied Petrochemical Research, vol. 4, issue 3: Springer, pp. 287-295, 2014. Abstract

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Khatita, M. A., T. S. Ahmed, F. H. Ashour, and I. M. Ismail, "Power generation using waste heat recovery by organic Rankine cycle in oil and gas sector in Egypt: A case study", Energy, vol. 64: Pergamon, pp. 462 - 472, 2014. Abstract

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Said, M. M., T. S. Ahmed, and T. M. Moustafa, "Predictive Modeling and Optimization for an Industrial Penex Isomerization Unit-A Case Study", Energy & Fuels, vol. 28, no. 12: American Chemical Society, pp. 7726–7741, 2014. Abstract
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2013
Ismail, I. M., O. E. Abdel-Salam, T. S. Ahmed, A. Soliman, M. F. Al-Ebrahim, and I. A. Khattab, "Investigation of the Anodic Dissolution of Zinc in Sodium Chloride Electrolyte – A Green Process", Portugaliae Electrochimica Acta, vol. 31, issue 4, pp. 207 - 219, 2013. Abstract

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2011
Khatita, M. A., F. H. Ashour, I. M. Ismail, and T. S. Ahmed, "Working Fluid Selection for Waste Heat Recovery using Organic Rankine Cycle - Review", Transactions of the Egyptian Society of Chemical Engineers, vol. 37, issue 2, 2011. Abstract

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2010
Ahmed, T. S., J. M. DeSimone, and G. W. Roberts, "Continuous precipitation polymerization of vinylidene fluoride in supercritical carbon dioxide: A model for understanding the molecular-weight distribution", Chemical Engineering Science, vol. 65, issue 2: Elsevier, pp. 651 - 659, 2010. Abstract

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Kim, J., Y. J. Kim, J. - D. Kim, T. S. Ahmed, L. B. Dong, G. W. Roberts, and S. - G. Oh, "The effect of prepolymer crystallinity on solid-state polymerization of poly (bisphenol A carbonate)", Polymer, vol. 51, issue 12: Elsevier, pp. 2520 - 2526, 2010. Abstract

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2009
Roberts, G. W., T. Liu, T. S. Ahmed, and J. M. DeSimone, "Continuous Polymerization in Supercritical Carbon Dioxide", 9th International Symposium on Supercritical Fluids, Arachon, France, May 18-20, 2009. Abstract

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2008
Ahmed, T. S., J. M. DeSimone, and G. W. Roberts, "Continuous Precipitation Polymerization of Vinylidene Fluoride In Supercritical Carbon Dioxide: Understanding and Controlling the Molecular Weight Distribution", AICHE Annual Meeting, Philadelphia, PA, November 16-21, 2008. Abstract

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Ahmed, T. S., J. M. DeSimone, and G. W. Roberts, "Continuous copolymerization of vinylidene fluoride with hexafluoropropylene in supercritical carbon dioxide: high-hexafluoropropylene-content amorphous copolymers", Macromolecules, vol. 41, issue 9: ACS Publications, pp. 3086 - 3097, 2008. Abstract

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Ahmed, T. S., J. M. DeSimone, and G. W. Roberts, "Kinetics of the Homopolymerization of Vinylidene Fluoride and Its Copolymerization with Hexafluoropropylene in Supercritical Carbon Dioxide: The Locus of Polymerization", Macromolecules, vol. 42, issue 1: ACS Publications, pp. 148 - 155, 2008. Abstract

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Roberts, G. W., T. Liu, T. S. Ahmed, and J. M. DeSimone, "Continuous Polymerization in Supercritical Carbon Dioxide", 235th American Chemical Society National Meeting, New Orleans, LA, April 6-10, 200, 2008. Abstract

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Tourism