Biography

Dr. Gadalla is professor and former head of chemical engineering department at Port Said University (Egypt). He graduated with a B.Sc. with honours and an M.Sc. in chemical engineering from Cairo University. Dr. Gadalla completed his PhD in Process Integration at the University of Manchester Institute of Science and Technology UMIST, England. He worked in several international and multicultural research institutions and universities, as a Teaching Assistant in UAE University in Emirates, Research Assistant in UMIST in UK, Post-Doctoral Fellow at Delft University of Technology (Holland), Assistant Professor at Universitat Rovira i Virgili URV (Spain), Visiting Researcher in Pretoria University (South Africa), and Associate Professor at the British University in Egypt. Research areas of Dr. Gadalla cover wide range of fields ranging from process integration of chemical process industries, modelling/design of chemical plants to experimental and theoretical modelling of biomass/waste to energy and into valuable chemicals. Recently he is adopting an approach of green use of coal in industries for power and energy generation. Dr. Gadalla offered consultancy and R&D for multinational oil/gas companies, and acted as a PI/co-PI in several funded projects for energy and environment. Dr. Gadalla has scientific collaboration with many distinguished researchers from the USA, UK, Spain, South Africa and Germany. On 2016, Dr. Gadalla has been nominated for some International Prestigious Award for his latest contribution in the area of hydrocarbon downstream. He published more than 110 publications in Scopus records, and supervised more than 20 MSc students and 10 PhD theses.  

On a national state level, Dr. Gadalla has been awarded the Egypt National Incentive Award for 2015 in Engineering Science and the Principal Researcher Award from the British University in Egypt for 2016. Also, he received the Medal of Excellence from the President of Egypt in Science Festival (2017). Further, Dr. Gadalla has been listed among the World top 2% Scientists by Stanford University from 2020 till present year (2025). Also, he received the recognition of an “Active Researcher” by the University of Rovira i Virgili (Spain).

Educational Qualification

Academic And Professional Experience

Publications

JOURNAL PUBLICATIONS AND proceedings

1. Mamdouh Gadalla, Radhi H. Alazmi, Fatma Ashour, Thokozani Majozi, Basudeb Saha, Enhancing Energy Efficiency in a Jojoba Oil Biorefinery: A Case Study in Performance Optimisation, Energy Conversion and Management: X (2026), 29, 101546
2. A. G. Abo‑Mousa, · M. M. Abdeen, S. R. Foud, M. A. Gadalla, R. M. El‑Maghraby , A. O. Ghallab, ·M. K. Fouad. White Bean Straw-Derived Biosorbent for Efficient Removal of Cationic and Anionic Dyes: A Sustainable Approach to Agricultural Waste Valorization Egyptian Journal of Chemistry (2026), 10.21608/ejchem.2025.390539.11845
3. A. G. Abo‑Mousa, · M. M. Abdeen, S. R. Foud, M. A. Gadalla, R. M. El‑Maghraby , A. O. Ghallab, ·M. K. Fouad. Eco-innovation: using underutilized white bean straw and aluminum waste for dye removal. International Journal of Environmental Science and Technology (2026), 23(2), 150
4. Asmaa Ahmed, Mohamed Elsakka, Yasser Elhenawy, Ahmed Amer, Amr Mansi, Mohamed Bassyouni3,4, Mamdouh Gadalla3 & Ahmed Refaat, Experimental investigation of a nano coating efficiency for dust mitigation on photovoltaic panels in harsh climatic conditions, Scientific Reports (2024), 14, 23013
5. Omar Youssef, Mostafa Shazly, Mamdouh A. Gadalla, Nessren Farrag, Sustainable Recycling of Thermoset Polymers: A DOE-Based Approach to Optimize Solvolysis of Glass Fiber-Reinforced Epoxy Composites, Journal of Physics: Conference Series 3051 (2025) 012006
6. Ahmed A. Elsheemy, Mamdouh A. Gadalla, Sahar M. El-Marsafy, Fatma H. Ashour, Novel Gas-Oil Separation Plant Design in Mediterranean and Synthetic Data Generation for Machine learning Model, CHEMICAL ENGINEERING TRANSACTIONS (2025), 118
7. Maria Elyas, Fatma Ashour, Mamdouh Gadallac , Nisrin A. Khalil , Mohamed A. Deyab, Hydrogen Evolution Using Aluminum Alloys and Saline Waste Water, CHEMICAL ENGINEERING TRANSACTIONS (2025), 119
8. Alazmi, R.H., Gadalla, M., Wang, B., Shahin, M., Elazab, H.A, Majozi, T., Ashour, F., Graphical revamping of a delayed coker unit: a case study from an Egyptian refinery, Thermal Science and Engineering Progress (2024), 55, 102913
9. Elhenawy, Y., Fouad, K., Mansi, A., Gadalla, M., Ashour, F., Majozi, T., Experimental analysis and numerical simulation of biomass pyrolysis, Journal of Thermal Analysis and Calorimetry, 2024
10. El Bari, H., Fanezoune, C.K., Dorneanu, B., Gadalla, M., Khashaba, N.H., Ashour, F.H., Catalytic fast pyrolysis of lignocellulosic biomass: Recent advances and comprehensive overview, Journal of Analytical and Applied Pyrolysis, 2024, 178, 106390
11. Chen, Q., Guan, A., Chen, F., Gadalla, M., Wang, B., A transient gas pipeline network simulation model for decoupling the hydraulic-thermal process and the component tracking process, Energy, 2024, 301, 131613
12. Abo-mousa, A.G., Kamel, D.A., Elazab, H.A., Gadalla, M.A., Fouad, M.K., Graphical analysis and revamping of crude distillation units under variable operational scenarios, Case Studies in Chemical and Environmental Engineering, 2023, 8, 100490
13. Gadalla, M.A., Abdel Fatah, A., Elazab, H.A., A novel renewable energy powered zero liquid discharge scheme for RO desalination applications, Case Studies in Chemical and Environmental Engineering, 2023, 8, 100407
14. Madany, N.M., Gadalla, M.A., Ashour, F.H., Abadir, M.F., Investigating the Kinetic Parameters in the Thermal Analysis of Jojoba Cake, Egyptian Journal of Chemistry, 2023, 66(7), pp. 245–256
15. Simulation and Optimization of Waste Heat to Electricity through Organic Rankine Cycles (ORCs): a Case Study in an Oil Refinery, Sadek, M.A., Gadalla, M.A., Shedid, N., Ahmed, D., Elazab, H.A., Chemical Engineering Transactionsthis link is disabled, 2023, 98, pp. 15–20
16. Single-stage waste oil conversion into biodiesel via sonication over bio-based bifunctional catalyst: Optimization, preliminary techno-economic and environmental analysis Naeem, M.M., Al-Sakkari, E.G., Boffito, D.C., Gadalla, M.A., Ashour, F.H. Fuel, 2023, 341, 127587
17. Performance assessment and process optimization of a sulfur recovery unit: a real starting up plant Ibrahim, A.Y., Ashour, F.H., Gadalla, M.A., Abdelhaleem, A. Environmental Monitoring and Assessment, 2023, 195(3), 358
18. Enhanced biodiesel production with improved oxidation stability by water addition to supercritical methanolysis Umar, Y., Aboelazayem, O., Gadalla, M.A., Saha, B. Canadian Journal of Chemical Engineering, 2022, 100(9), pp. 2587–2607
19. Energy and exergy studies of a Sulphur recovery unit in normal and optimized cases: A real starting up plant Ibrahim, A.Y., Ashour, F.H., Gadalla, M.H. Energy Conversion and Management: X, 2022, 15, 100241
20. Comprehensive Optimisation of Biodiesel Production Conditions via Supercritical Methanolysis of Waste Cooking Oil Aboelazayem, O., Gadalla, M., Saha, B. Energies, 2022, 15(10), 3766
21. New Efficient Configurations for Sour Wastewater Treatment Gadalla, M.A., Ghallab, A., Mansour, A.M., Ashour, F.H., Elazab, H.A. Recent Innovations in Chemical Engineering, 2022, 15(1), pp. 14–30
22. Graphical Revamping of a Crude Distillation Unit under Two Variable Operational Scenarios – Naphtha Stabilizer and Reformer Operated Abo-Mousa, A.G., Kamel, D.A., Elazab, H.A., Gadalla, M.A., Fouad, M.K. Chemical Engineering Transactions, 2022, 94, pp. 1225–1230
23. MATLAB MODEL FOR THE DESIGN OF HEAT EXCHANGER NETWORKS IN CHEMICAL PROCESSES Hussein, M.A., Gadalla, M., Ahmed, D. ARPN Journal of Engineering and Applied Sciences, 2022, 17(1), pp. 2854–2863
24. Shalaby, S.M., Gadalla, M.A., El Sayed, A.R., Meliha, E.M., Abosheiasha, H.F., Aspen Plus simulation of a low capacity organic Rankine cycle heated by solar energy, Energy Reports, 2022, 8, pp. 416–421
25. Umar, Y., Velasco, O., Abdelaziz, O.Y., ...Hulteberg, C.P., Saha, B., A renewable lignin-derived bio-oil for boosting the oxidation stability of biodiesel, Renewable Energy, 2022, 182, pp. 867–878
26. Ibrahim, A.Y., Ashour, F.H., Gadalla, M.A., Farouq, R., Exergy study of amine regeneration unit for diethanolamine used in refining gas sweetening: A real start-up plant, Alexandria Engineering Journal, 2022, 61(1), pp. 101–112
27. Ibrahim, A.Y., Ashour, F.H., Gadalla, M.A., Exergy analysis and performance study for sour water stripper units, amine regenerator units and a Sulphur recovery unit of a refining plant, Journal of Engineering and Applied Science, 2021, 68(1)
28. Alhajri, I.H., Gadalla, M.A., Elazab, H.A., A conceptual efficient design of energy recovery systems using a new energy-area key parameter Energy Reports, 2021, 7, pp. 1079–1090
29. Ibrahim, A.Y., Ashour, F.H., Gadalla, M.A., Refining plant energy optimization Alexandria Engineering Journal, 2021, 60(5), pp. 4593–4606
30. Alhajri, I.H., Gadalla, M.A., Abdelaziz, O.Y., Ashour, F.H., Retrofit of heat exchanger networks by graphical Pinch Analysis - A case study of a crude oil refinery in Kuwait Case Studies in Thermal Engineering, 2021, 26, 101030
31. Farrag, N.M., Kamel, D.A., Ghallab, A.O., Gadalla, M.A., Fouad, M.K., Graphical Design and Analysis of Mass Exchange Networks Using Composition Driving Forces South African Journal of Chemical Engineering, 2021, 36, pp. 94–104
32. Ibrahim, A.Y., Ashour, F.H., Gadalla, M.A., Exergy study of amine regeneration unit using diethanolamine in a refinery plant: A real start-up plant Heliyon, 2021, 7(2), 06241
33. Aboelazayem, O., Gadalla, M., Alhajri, I., Saha, B., Advanced process integration for supercritical production of biodiesel: Residual waste heat recovery via organic Rankine cycle (ORC) Renewable Energy, 2021, 164, pp. 433–443
34. Ibrahim, A.Y., Ashour, F.H., Gadalla, M.A., Exergy Study of Amine Scrubber Unit of a Sulphur Recovery Plant using Methyl Diethanolamine: A Real Starting up Plant Petroleum and Coal, 2021, 63(1), pp. 155–165
35. Gadalla, M.A., Mazen, O.M., Aboul-Fotouh, T.M., Ashour, F.H., Elazab, H.A., Effect of using nanoparticle-based diesel fuel on enhancement of performance and emissions of diesel engines Nanoscience and Nanotechnology - Asia, 2021, 11(1), pp. 104–118
36. Marwa M. Naeem, Eslam G. Al-Sakkarib, Daria C. Boffito, Mamdouh A. Gadalla, Fatma H. Ashour, One-pot conversion of highly acidic waste cooking oil into biodiesel over a novel bio-based bi-functional catalyst, Fuel 283 (2021) 118914.
37. Nabil A.S. Elminshawy, Mamdouh A. Gadalla, M. Bassyouni, Kamal El-Nahhas, Ahmed Elminshawy, Y. Elhenawy, A novel concentrated photovoltaic-driven membrane distillation hybrid system for the simultaneous production of electricity and potable water, Renewable Energy 162 (2020) 802-817.
38. El Dewaik, M.H., Gadalla, M., Sadek, M.A., Elazab, H.A., Mathematica as an efficient tool to optimize the kinetic study of ethyl acetate hydrolysis, International Journal of Advanced Trends in Computer Science and Engineering 2020.
39. Yusuf Umar, Omar Aboelazatem, Zahra Echresh, Mamdouh Gadalla, Basudeb Saha, Waste cooking oil valorisation into biodiesel using supercritical methanolysis: critical assessment on the effect of water content, Proceedings of 27th European Biomass Conference and Exhibition, 1495-1500, 2019.
40. Nourhan Sherif, Dina Kamel, Omar Abdelazizb, Mennat Labib, Christian Hulteberg, Fatma Ashour and Mamdouh Gadalla, Process synthesis and simulation of furfural production from rice straw biowaste, PROCEEDINGS OF ECOS 2019, 4069-4077, 2019.
41. Dina Kamel, Mamdouh Gadalla, Ibrahim Mustafa, Ibrahim ALHajri and Fatma Ashour, Graphical energy analysis and retrofit of heat exchanger network for a crude oil refinery: A case study, PROCEEDINGS OF ECOS 2019, 3837-3848, 2019.
42. Alaa Elmasry, Mamdouh Gadalla, Ibrahim Alhajri, Fatma Ashour, Better heat and power integration of an existing gas-oil plant in Egypt through revamping design and organic Rankine cycle, PROCEEDINGS OF ECOS 2019, 3717-3728, 2019.
43. Omar Aboelazayema, Mamdouh Gadalla and Basudeb Saha, Supercritical methanolysis of waste cooking oil for biodiesel synthesis: Experimental and simulation assessments, PROCEEDINGS OF ECOS 2019, 657-667, 2019.
44. Bayomie, O.S., Abdelaziz, O.Y., Gadalla, M.A., Exceeding Pinch limits by process configuration of an existing modern crude oil distillation unit – A case study from refining industry,
    Journal of Cleaner Production 231, 1050-1058, 2019.
45. Omar Aboelazayema, Mamdouh Gadalla, Basu Saha, Derivatisation-free characterisation and supercritical conversion of free fatty acids into biodiesel from high acid value waste cooking oil, Renewable Energy 143, 77-90, 2019.
46. Elazab, H.A., Gadalla, M.A., Sadek, M.A., El-Idreesy, T.T., Hydrothermal synthesis of graphene supported Pd/Fe 3 O 4 nanoparticles as efficient magnetic catalysts for suzuki cross – Coupling, Biointerface Research in Applied Chemistry 9(2), 3906-3911, 2019.
47. Omar Aboelazayema, Mamdouh Gadalla, Basu Saha, Valorisation of high acid value waste cooking oil into biodiesel using supercritical methanolysis: Experimental assessment and statistical optimisation on typical Egyptian feedstock, Energy 162 (2018) 408-420.
48. Emara I.A., Gadalla M., Ashour F.H., Supply chain design network model for biofuels and chemicals from waste cooking oil, Chemical Engineering Transactions 70, 433-438, 2018.
49. Farrag N.M., Kamel D.A., Ghallab A.O., Gadalla M.A., Fouad M.K., A novel graphical approach for mass exchange networks using composition driving force, Chemical Engineering Transactions 70, 259-264, 2018.
50. Elsheemy A.A., Ashour F.H., Gadalla M.A., Maximization of condensate production by revamping of gas-oil separation plant in gulf of suez, Chemical Engineering Transactions 70, 343-348, 2018.
51. Omar Aboelazayema, Mamdouh Gadalla, Basu Saha, Design and simulation of a controlled integrated process for biodiesel production from waste cooking oil using supercritical methanolysis, Energy 161, 299-307, 2018.
52. Omar Aboelazayema, Mamdouh Gadalla, Basu Saha, Biodiesel production from waste cooking oil via supercritical methanol: optimisation and kinetic reactor simulation, Renewable Energy 124, 144-154, 2018.
53. Dina Kamel, Mamdouh Gadalla, Fatma Ashour, Analysis and revamping of heat exchanger networks for crude oil refineries using temperature driving force graphical technique, Clean Technologies and Environmental Policy, Vol. 20 Issue 2, 243-, 2018.
54. Abdelaziz, Omar Y.; Hosny, Wafaa M.; Gadalla, Mamdouh A.; Ashour, Fatma H.; Ashour, Ibrahim A.; Hulteberg, Christian P, Novel process technologies for conversion of carbon dioxide from industrial flue gas streams into methanol, Journal of CO2 Utilization 21, 52-63, 2017.
55. Abd El-RahmanSayed, Ibrahim Ashour, Mamdouh Gadalla, Integrated process development for an optimum gas processing plant, Chemical Engineering Research and Design 124, 114-123, 2017.
56. Ibrahim, A.Y., Ghallab, A.O., Gadalla, M.A., Makary, S.S., Ashour, F.H., Technical and economical/financial feasibility analyses of flared gas recovery in Egypt from oil and gas industry from international/national oil companies’ perspectives, Clean Technologies and Environmental Policy, vol. 19, issue 5, 1423-1436, 2017.   
57. DA Kamel, MA Gadalla, OY Abdelaziz, MA Labib, FH Ashour, Temperature driving force (TDF) curves for heat exchanger network retrofit–A case study and implications, Energy 123, 283-295, 2017
58. Dalia A. Ali, Mamdouh A. Gadalla, Omar Y. Abdelaziz, Christian P. Hulteberg, Fatma H. Ashour, Co-gasification of coal and biomass wastes in an entrained flow gasifier: Modelling, simulation and integration opportunities, Journal of Natural Gas Science and Engineering, 37,  127-137, 2017
59. O. Aboelazayem, M. Gadalla, B. Saha, “An experimental-based energy integrated process for biodiesel production from waste cooking oil using supercritical methanol”, Chemical Engineering Transactions, vol. 61, p. 1645-1650, 2017. 
60. O. Aboelazayem, O. Abdelaziz, M. Gadalla, C. Hulteberg, B. Saha, “Biodiesel production from high acid value waste cooking oil using supercritical methanol: Esterification kinetics of free fatty acids”, EUBCE 2017 – 25th European Biomass Conference and Exhibition Proceedings, 2017, p. 1381-1387, ISBN: 978-88-89407-17-2, Stockholm, Sweden, June 12-15.
61. O. Aboelazayem, M. Gadalla, B. Saha, “Optimising biodiesel production from high acid value waste cooking oil using supercritical methanol,” SEEP 2017 - 10th International Conference on Sustainable Energy & Environmental Protection Proceedings, 2017, p. 57-66, DOI:10.18690/978-961-286-048-6.5, Bled, Slovenia, June 27-30.
62. Omar Aboelazayema, Mamdouh Gadalla, Basu Saha, Optimisation of biodiesel production from waste cooking oil under supercritical conditions, Proceedings of sixth international symposium on energy from biomass and waste, 2016
63. Mamdouh A. Gadalla, Omar Y. Abdelaziz, Fatma H. Ashour, Conceptual insights to debottleneck the Network Pinch in heat integrated crude oil distillation systems without topology modifications, Energy Conversion and Management 126, 329-341, 2016
64. Ismail A Emara, Mamdouh A. Gadalla, Fatma H. Ashour, Supply chain design network model for biofuel and petrochemicals from biowaste, Chemical Engineering Transactions, Volume 52:1069-1074, 2016
65. Dina A. Kamel, Mamdouh A. Gadalla, Fatma H. Ashour, Revamping of Heat Exchanger Network of an Egyptian Refinery Plant using New Temperature Driving Force (TDF) Graphical Technique, Chemical Engineering Transactions, Volume 52:337-342, 2016
66. Nessren M. Farrag, Mamdouh A. Gadalla, Mai K. Fouad, Reaction Parameters and Energy Optimization for Biodiesel Production Using a Supercritical Process, Chemical Engineering Transactions, Volume 52:1207-1212, 2016
67. Dalia A. Ali, Mamdouh A. Gadalla, Omar Y. Abdelaziz, Fatma H. Ashour, Modelling of coal-biomass blends gasification and power plant revamp alternatives in Egypt’s natural gas sector, Chemical Engineering Transactions, Volume 52:49-54, 2016
68. Mamdouh A. Gadalla, A new graphical method for Pinch Analysis applications: Heat exchanger network retrofit and energy integration, Energy, Volume 81, 2015, Pages 159-174
69. Mamdouh A. Gadalla, A new graphical-based approach for mass integration and exchange network design,Chemical Engineering Science, Volume 127, 2015, Pages 239-252
70. Mamdouh A. Gadalla, A novel graphical technique for Pinch Analysis applications: Energy Targets and grassroots design, Energy Conversion and Management, Volume 96, 2015, Pages 499-510
71. Omar Y. Abdelaziz, Mamdouh A. Gadalla, Mahmoud M. El-Halwagi, Fatma H. Ashour, A hierarchical approach for the design improvements of an Organocat biorefinery, Bioresource Technology, Volume 181, 2015, Pages 321-329
72. Mamdouh A. Gadalla, Omar Y. Abdelaziz, , Dina A. Kamel, Fatma H. Ashour, A rigorous simulation-based procedure for retrofitting an existing Egyptian refinery distillation unit, Energy, Volume 83, 2015, Pages 756-765
73. Dalia Amer, Mamdouh Gadalla, Fatma Ashour, Gasification of Coal and Heat Integration Modification for IGCC - Integrated Gasification Combined Cycle, CHEMICAL ENGINEERING TRANSACTIONS, 45, 1825-1830 (2015)
74.  Mamdouh A. Gadalla, A New Graphical Method for Pinch Analysis and Energy Integration, CHEMICAL ENGINEERING TRANSACTIONS, 34, 1291-1296 (2015)
75. F. Sorour, M. Gadalla, I. Abdo, S. Rageb, N. Abdelmoniem, F. Ashour. 2014 “Multifactor overall performance measurements model as effectual performance measures in petroleum industry”, Journal of international academic research for multidisciplinary, Vol., No. 2, Pages 702-716.
76. Dina Kamel, Mamdouh Gadalla, Fatma Ashour, New Retrofit Approach for Optimisation and Modification for a Crude Oil Distillation System, CHEMICAL ENGINEERING TRANSACTIONS, 35, 1363-1368 (2013)
77. Mamdouh Gadalla, Dina Kamel, Fatma Ashour, Hemdan Nour El din, A New Optimisation Based Retrofit Approach for Revamping an Egyptian Crude Oil Distillation Unit, Energy Procedia   36, 454 – 464 (2013)
78. Carmen M. Torres, Mamdouh Gadalla, Josep M. Mateo-Sanz, Laureano Jiménez, An automated environmental and economic evaluation methodology for the optimization of a sour water stripping plant, Journal of Cleaner Production. 44, 56-68 (2013)
79. Carmen Torres, Mamdouh Gadalla, Josep Mateo-Sanz, Laureano Jimenez-Esteller, Evaluation Tool for the environmental design of chemical processes, Industrial & Engineering Chemistry Research, 50, 13466–13474 (2011)
80. Sabio N, Gadalla M, Guillen-Gosalbez G and Jimenez L, Strategic Planning with Risk Control of Hydrogen Suppy Chains for Vehicle Use undercertainty in Operating Costs: a case study of Spain, International Journal of Hydrogen Energy, Volume 35, 13:6836-6852 (2010)
81. Emun F, Gadalla M, Majozi T and Boer D, Integrated Gasification Combined Cycle IGCC Process Simulation and Optimization, Computers and Chemical Engineering, 34: 331-338 (2010)
82. Gadalla M, Internal heat integrated distillation columns (iHIDiCs) – new systematic design methodology, Chemical Engineering Research and Design, 87: 1658-1666 (2009)
83. Olujic Z, Sun L, Gadalla M, de Rijke A, and Jansens PJ, Enhancing Thermodynamic Efficiency of Energy Intensive Distillation Columns via Internal Heat Integration, Chemical and Biochemical Engineering Quarterly, 22 (4): 1-10 (2008)
84. Gouws J F, Majozi M and Gadalla M, Flexible Mass Transfer Model for Water Minimization in Batch Plants, Chemical Engineering & Processing, 47: 2323-2335 (2008)
85. Gadalla M, Jiménez L, Olujic Z and Jansens PJ, A Thermo-Hydraulic Approach to Conceptual Design of an Internally Heat-Integrated Distillation Column (HIDiC), Computers & Chemical Engineering, 31: 1346-1354 (2007)
86. Gadalla M, Olujic Z, Jobson M and Smith R, Estimation and Reduction of CO2 Emissions from crude Oil Distillation Units, Energy, 31: 2062-2072 (2006)
87. Gadalla M, Olujic Z, Rijke A de and Jansens PJ, Reducing CO2 Emissions of Internally Heat-Integrated Distillation Columns for Separation of Close Boiling Mixtures, Energy, 31: 2073-2081 (2006)
88. Gadalla M, Olujic Z, Sun L, Rijke A de and Jansens PJ, Pinch Analysis-based Approach to Conceptual Design of Internally Heat-integrated Distillation Columns, Chemical Engineering Research and Design (ChERD), 83 (A8), 987-993 (2005)
89. Gadalla M, Olujic Z, Jansens PJ, Jobson M and Smith R, Reducing CO2 Emissions and Energy Consumption of Heat-Integrated Distillation Systems, Environmental Science and Technology, 39, 6860-6870 (2005)
90. Gadalla M, Jobson M and Smith R, Shortcut Models for Retrofit Design of Distillation Columns, Trans IChemE, Part A, September, 81, 971-986 (2003)
91. Gadalla M, Jobson M and Smith R, Optimization of Heat-Integrated Refinery Distillation Systems, Trans IChemE, Part A, January, 81, 147-152 (2003)
92. Gadalla M, Jobson M and Smith R, Increase Capacity and Decrease Energy for Existing Refinery Distillation Columns, Chemical Engineering Progress, April, 44-50 (2003)
93. Abdelaziz O., Gadalla M. and Ashour F. Simulation of Biomethanol Production from Green Syngas Through Sustainable Process Design, Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications (SIMULTECH-2014), pages 677-684, (2014). DOI: 10.5220/0005002906770684
94. Carmen Torres, Mamdouh Gadalla, Josep Mateo-Sanz, Laureano Jiménez, Automated Environmental Evaluation  for the Optimization of Chemical Processes
    Computer Aided Chemical Engineering, 30, 162-166 (2012).
95. Carmen M. Torres, Mamdouh Gadalla, Josep M. Mateo, Laureano Jiménez, New Environmentally-Conscious Design Approach and Evaluation Tool for Chemical Processes, Computer Aided Chemical Engineering, 29, 1241-1245 (2011)
96. Nagore Sabio, Mamdouh Gadalla, Laureano Jimenez, Gonzalo Guillen, Multi-objective optimization of a hydrogen supply chain vehicle use including economic and financial risk metrics – a case study of Spain, Computer Aided Process Engineering, 20 (2010)
97. Nagore S. Arteaga, Mamdouh Gadalla, Laureano Jiménez, Gonzalo Guillén-Gosálbez. " Strategic planning of hydrogen supply chains under uncertainty ". 8th World Congress of Chemical Engineering. Montreal, Canada, August 2009.
98. Nagore S. Arteaga, Mamdouh Gadalla, Laureano Jiménez, Gonzalo Guillén-Gosálbez." Risk management on the design and planning of discrete event hydrogen supply chain for vehicle use under uncertainty in production prices: A case study of Spain. "American Institute of Chemical Engineers Annual Meeting. Nashville, USA, November 2009.
99. Nagore S. Arteaga, Mamdouh Gadalla, Laureano Jiménez, Gonzalo Guillén-Gosálbez. " Multi-objective optimization of a hydrogen supply chain for vehicle use including economic and financial risk metrics: A case study of Spain. " European Symposium on Computer Aided Process Engineering - 20. Ischia (Naples), Italy, June 2010.
100. Nagore S. Arteaga, Mamdouh Gadalla, Laureano Jiménez, Gonzalo Guillén-Gosálbez. " Multi-objective optimization of a hydrogen supply chain for vehicle use including economic and financial risk metrics: A case study of Spain. " 7th PhD Poster Exhibition of URV. Tarragona, Spain, April 2009.
101. Mamdouh Gadalla, Laureano Jiménez, Aris de Rijke, Zarko Olujic, Optimizing the Design of a Heat Integrated Distillation Column, Distillation 2009, AIChE Topical Proceeding, 417-425 (2009)
102. M Gadalla, F Emun, M Majozi, L Jimenez, Environmental design of IGCC through pinch analysis, process integration and parameters analysis, Computer Aided Chemical Engineering, 26, 561-566 (2009)
103. F Emun, M Gadalla, L Jimenez, Integrated gasification combined cycle (IGCC) process simulation and optimization, Computer Aided Chemical Engineering, 25, 1059-1064 (2008)
104. Mamdouh Gadalla, Zarko Olujic, Laureano Jiménez, Gonzalo Guillen, A design method for internal heat integrated distillation columns (iHIDiCs), Computer Aided Chemical Engineering, 24, 1041-1046 (2007)
105. Gonzalo Guillen-Gosalbez, Jose A. Caballero, Laureano Jiménez Esteller, Mamdouh Gadalla, Application of life cycle assessment to the structural optimization of process flowsheets, Computer Aided Chemical Engineering, 24, 1163-1168 (2007)
106. de Rijke A., Tesselaer W., Gadalla M. A., Olujic Z., Jansens P.J., Heat and mass transfer characteristics of an annular sieve tray, Institution of Chemical Engineers IChemE Symposium Series No. 112, 181-189 (2006)
107. M. Gadalla, Z. Olujic, A. de Rijke and P.J. Jansens, A new approach to the design of internally heat-integrated tray distillation columns, Computer Aided Chemical Engineering, 2A, 805-810 (2005)
108. M. Gadalla, Z. Olujic, A. de Rijke and P.J. Jansens, A thermo-hydraulic approach to conceptual design of an internally heat-integrated distillation column (i-HIDiC), Computer Aided Chemical Engineering, 18, 18-23 (2004)
109. M. A. Gadalla, G. Aly, M. Fahmy, Optimisation of an absorption-stripping process for pollution reduction of alcohol vapour from fermentation plants, 4th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, 5, 135-138 (2004)

1. Yusuf Umar, Omar Aboelazatem, Zahra Echresh, Mamdouh Gadalla, Basudeb Saha, 27th European Biomass Conference and Exhibition, 2019, Lisbon, Portugal, May 27-30.
2. Omar Aboelazayem, Mamdouh Gadalla and Basudeb Saha, Supercritical methanolysis of waste cooking oil for biodiesel synthesis: Experimental and simulation assessments, THE 32ND INTERNATIONAL CONFERENCE ON EFFICIENCY, COST, OPTIMIZATION, SIMULATION AND ENVIRONMENTAL IMPACT OF ENERGY SYSTEMS, 2019, WROCLAW, POLAND, JUNE 23-28,
3. O. Aboelazayem, M. Gadalla, B. Saha, “Non-catalytic production of biodiesel from high acid value waste cooking oil” 7th international symposium on energy from biomass and waste, 2018, Sitges, Spain, September 16-19. Poster.
4. I. Amr Emara, M. Gadalla1, F. A.-Z. Ashour, Supply chain design network model for biofuels and petrochemicals from waste cooking oil, 21st Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction PRES, Prague, Czech, 25-29 August (2018).
5. A. A. Al-Sheemy, F. A.-Z. Ashour, M. Gadalla, Maximization of condensate production by revamping of gas-oil separation plant in, 21st Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction PRES, Prague, Czech, 25-29 August (2018).
6. N. M. Farrag, M. Gadalla, D. A. Kamel, A. O. Ghallab, M. K. Fouad, A novel graphical approach for mass exchange networks using composition driving force, 21st Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction PRES, Prague, Czech, 25-29 August (2018).
7. M. A. Labib, M. Hammam, M. Gadalla, F. A.-Z. Ashour, Mass and energy recovery from rice straw as a biomass source, 23rd International Congress of Chemical and Process Engineering CHISA, Prague, Czech, 25-29 August (2018)
8. O. Aboelazayem, M. Gadalla, B. Saha, “Non-catalytic production of biodiesel using supercritical methanol: A brief review” SEEP 2018 - 11th International Conference on Sustainable Energy & Environmental Protection Proceedings, 2018, Scotland, UK, May 8-11.
9. O. Aboelazayem, M. Gadalla, B. Saha, “Supercritical methanolysis of waste cooking oil for biodiesel production: Experimental assessment for evaluating the effect of free fatty acids content”, EUBCE 2018 – 26th European Biomass Conference and Exhibition Proceedings, 2018, p. 912-916, Copenhagen, Denmark, May 14-18.
10. O. Aboelazayem, M. Gadalla, B. Saha, “SYSTIMATIC MULTIVARIATE OPTIMISATION OF BIODIESEL SYNTHESIS FROM HIGH ACID VALUE WASTE COOKING OIL: A RESPONSE SURFACE ETHODOLOGY APPROACH” 7th international symposium on
    energy from biomass and waste, 2018, Venice, Italy, October 15-18.
11. O. Aboelazayem, M. Gadalla, B. Saha, “One-step production of biodiesel from high acid value waste cooking oil using supercritical methanol”, 10th World Congress of Chemical Engineering (WCCE10) 2017, Barcelona, Spain, October 1-5.
12. O. Aboelazayem, M. Gadalla, B. Saha, “A comparative study on biodiesel production from waste cooking oils obtained from different sources using supercritical methanol”, Proceeding of the 6th World Congress on Biofuels and Bioenergy, J Bioremediat Biodegrad, 8 (5), p. 56, 2017, London, UK, September 5-6.
13. O. Aboelazayem, M. Gadalla, B. Saha, “An experimental-based energy integrated process for biodiesel production from waste cooking oil using supercritical methanol”, PRES 2017 – 20th Conference on process Integration, Modelling and Optemisation for Energy Saving and Pollution Reduction, 2017, Tianjin, China, August 21-25.
14. Omar Aboelazayema, Mamdouh Gadalla, Basu Saha, Optimisation of biodiesel production from waste cooking oil under supercritical conditions, Sixth international symposium on energy from biomass and waste, Venice, Italy, 14-17 November (2016)
15. Ahmed Mansour, Ayat Osama, Mamdouh Gadalla, Fatma Ashour, New efficient configurations for industrial sour water stripping plants, Workshop on Water Management, Johannesburg, South Africa, 5-8 September (2016)
16. Khaled Hassan, Tamer Tawhid, Mamdouh Gadalla, Fatma Ashour, Methylene Blue Dye Biosorption from Wastewater by using Anise Tea Residue, Workshop on Water Management, Johannesburg, South Africa, 5-8 September (2016)
17. Dina A. Kamel, Mamdouh A. Gadalla, Fatma H. Ashour, Revamping of Heat Exchanger Network of an Egyptian Refinery Plant using New Temperature Driving Force (TDF) Graphical Technique, 19th Conference on Process Integration and Optimisation for Energy Saving and Pollution Reduction PRES, Prague, Czech, 27-31 August (2016)
18. Ismail A Emara, Mamdouh A. Gadalla, Fatma H. Ashour, Supply chain design network model for biofuel and petrochemicals from biowaste, 19th Conference on Process Integration and Optimisation for Energy Saving and Pollution Reduction PRES, Prague, Czech, 27-31 August (2016)
19. Nessren M. Farrag, Mamdouh A. Gadalla, Mai K. Fouad, Reaction Parameters and Energy Optimization for Biodiesel Production Using a Supercritical Process, 19th Conference on Process Integration and Optimisation for Energy Saving and Pollution Reduction PRES, Prague, Czech, 27-31 August (2016)
20. Dalia A. Ali, Mamdouh A. Gadalla, Omar Y. Abdelaziz, Fatma H. Ashour, Modelling of coal-biomass blends gasification and power plant revamp alternatives in Egypt’s natural gas sector, 19th Conference on Process Integration and Optimisation for Energy Saving and Pollution Reduction PRES, Prague, Czech, 27-31 August (2016)
21. Mamdouh Gadalla, Fatma Ashour, Dina Ahmed, Dina Aboelela, Process Integration is a Leading/Key Tool for Refineries’ Energy Savings and Development Projects, Latest Advancements in Refining and Petrochemical Industries-OAPEC, Manama, Kingdom of Bahrain, 17-19 April (2016)
22. Mamdouh Gadalla, Fatma Ashour, Dina Ahmed, Dina Aboelela, Process Integration is a Leading/Key Tool for Refineries’ Energy Savings and Development Projects, Latest Advancements in Refining and Petrochemical Industries-OAPEC, Manama, Kingdom of Bahrain, 17-19 April (2016)
23. Fatma Ashour, Mamdouh Gadalla, Mostafa Samy, An Economical/Environmental Potential Solution for Reusing the Flare Associated Gases in Eastern Desert Oilfields in Egypt, Latest Advancements in Refining and Petrochemical Industries-OAPEC, Manama, Kingdom of Bahrain, 17-19 April (2016)
24. Mamdouh Gadalla, A Novel Graphical Technique for Pinch Analysis Applications: Mass and Energy Integration, 3rd World congress on Petrochemistry and Chemical Engineering, Atlanta, USA, 30 November-02 December (2015)
25. D. Ali, M. Gadalla, F.A.Z. Ashour, Gasification of Coal and Energy Integration Modification for IGCC “Integrated Gasification Combined Cycle”, Pres'15, Kuching, Malaysia, 23-27 Aug (2015)
26. O. Abdelaziz, M. Gadalla, F. Ashour, Improving Energy Efficiency of a Jojob Oil Biorefinery Plant Using Pinch Technology, Pres'15, Kuching, Malaysia, 23-27 August (2015)
27. Mamdouh Gadalla, A New Graphical Method for Pinch Analysis Applications: Energy Integration, 12th International Conference on Chemical & Process Engineering, Milan, Italy, 19-22 May (2015)
28. Abdelaziz, O.Y., Gadalla, M.A. and Ashour, F.H., An Optimum Energy Integrated Process Design for a Biomethanol Plant in Egypt, The 64th Canadian Chemical Engineering Conference (CSChE), Niagara Falls, Ontario, Canada, October 19 – 22 (2014)
29. Omar Yasser, Mamdouh Gadalla, Fatma Ashour, Simulation of Biomethanol Production from Green Syngas through Sustainable Process Design, the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications, Vienna, August 28-30 (2014)
30. Kamel D., Gadalla M., Ashour F., Nour Aldin H, New Retrofit Approach for Optimization and Modification for A Crude Oil Distillation, 16th Conference Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, 29 September - 2 October, Rhodes, Greece (2013)
31. Mamdouh Gadalla, Dina Kamel, Fatma Ashour, Hemdan Nour El din, A New Optimisation Based Retrofit Approach for Revamping an Egyptian Crude Oil Distillation Unit, TerraGreen 13 International Conference - Advancements in Renewable Energy and Clean Environment, February 15-17, Beirut, Lebanon (2013)
32. Mamdouh Gadalla, Dina Ahmed, Fatma Ashour, Hemdan Noureldine, Energy Efficient Redesign of An Existing Crude Oil Distillation Unit, The International Conference on Renewable Energies and Energy Saving, Cairo University, Cairo, March (2012)
33. Carmen M. Torres, Mamdouh Gadalla, Laureano Jimenez, New enviornmentally-conscious design apporach and evaluation tool for chemical processes, ESCAPE-21, Chalkidiki, Greece (2011)
34. Singh J.F, Gadalla M and Jimenez L, Simulation Design of Plate-fin Type Heat Integrated Distillation, ESCAPE-20, Italy, Naples (2010)
35. Sabio N, Gadalla M, Jimenez L and Gonzalo G, Multi-objective Optimization of a Hydrogen Supply Chain for Vechile Use, ESCAPE-20, Italy, Naples (2010)
36. Gadalla M, Advances in Distillation Design, The 8th International Conference of Chemical Engineering and Exhibition, November 25-28, Cairo, Egypt (2009)
37. Sabio N, Gadalla M, Jimenez L and Gonzalo G, Risk Management On the Design and Planning of a Hydrogen Supply Chain for Vehicle Use Under Uncertainty in Production Prices: A Case Study of Spain, AIChE Annual Meeting, Nashville, USA (2009)
38. Gadalla M, Rijke A, Jimenez L and Olujic Z, Insights into improvement of internal HIDiCs, 8th World Congress of Chemical Engineering, Montreal, Canada (2009)
39. Gadalla M, Emun F, Jimenez L and Majozi T, Environmental design of IGCC through pinch analysis, process integration and parameters analysis, ESCAPE-19, Poland, (2009)
40. Gadalla M, Jimenez L and Olujic Z, Optimizing the design of an internally heat integrated distillation column, AIChE Spring National Meeting, Florida, USA (2009)
41. Temeliso F., Jimenez L., and Gadalla M, Modelling of Integrated Gasification Combined Cycle (IGCC) Systems with Environmental Concerns, AIChE Spring Meeting & 4th Global Congress on Process Safety (2008)
42. Gadalla M, Advances in distillation systems design, The 8th International Conference of Chemical Engineering and Exhibition, Cairo, Egypt, November (2008)
43. Emun F, Gadalla M and Jimenez L, Integrated Gasification Combined Cycle (IGCC): Process Optimisation through Sensitivity Analysis, ESCAPE-18, France, June (2008)
44. Gadalla M and Jimenez L, de Rijke A, Olujic Z and Jansens PJ, A New Distillation Column Design for Ethylbenzene-Styrene Splitters, Pres´07, Italy, June (2007)
45. Emun F, Gadalla M and Jimenez L, Towards sustainability in conceptual process design: improving sustainability of a crude-oil refinery, ECCE-6, Denmark, September (2007)
46. Olujic Z, de Rijke A, Jansens PJ, Gadalla M and Sun L, Design of a Minimum Energy/CO2 Emissions Distillation Column for Separation of Close Boiling Mixtures, ECCE-6, Denmark, September (2007)
47. Gadalla M, Olujic Z, Jimenez L and Gonzalo G, A Comprehensive Design Method for Internal Heat Integrated Distillation Columns (iHIDiCs), ESCAPE-17, Romania, May (2007)
48. Caballero J, Gonzalo G, Jimenez L and Gadalla M, Application of Life Cycle Assessment to the Structural Optimization of Process Flowsheets, ESCAPE-17, Romania, May (2007)
49. de Rijke, A., Tesselaer, W., Gadalla, M. A., Olujic, Z., Jansens, P. J., Heat and mass transfer characteristics of an annular sieve tray, IChemE Symposium Series No. 112, Institution of Chemical Engineers, Rugby, UK, 181 (2006)
50. Gadalla M, Olujic Z, Rijke A de and Jansens PJ, An Effective Design Tool for Internally Heat Integrated Distillation Columns, JICEC05, Amman, Jordan, September (2005)
51. Gadalla M, Olujic Z, Jobson M and Smith R, Modeling of Crude Oil Distillation Units for Retrofitting Purposes, JICEC05, Amman, Jordan, September (2005) 
52. Rijke A de, Sun L, Gadalla M, Jansens PJ and Olujic Z, Finding an Optimal HIDiC Configuration for Various Industrial Distillation Applications, The World Congress of Chemical Engineering, Glasgow, Scotland, July (2005)
53. Gadalla M, Olujic Z, Rijke A de and Jansens PJ, A New Approach to the Design of Internally Heat Integrated Tray Distillation Columns, ESCAPE15, Barcelona, Spain, May (2004)
54. Gadalla M, Olujic Z, Jansens PJ, Jobson M and Smith R, Reducing CO2 Emissions in Heat-Integrated Distillation Systems, Keynote Lecture, CHISA2004, Czech Republic, August (2004)
55. Olujic Z, Gadalla M, Sun L, Rijke A de and Jansens PJ, Pinch Analysis Based Conceptual Design of Heat-Integrated Distillation Columns, CHISA2004, Czech Republic, August (2004)
56. Gadalla M, Olujic Z, Rijke A de and Jansens PJ, A Thermo-Hydraulic Approach to Conceptual Design of HIDiC, ESCAPE14, Portugal, May (2004)
57. Gadalla M, Olujic Z, Rijke A de and Jansens PJ, A Thermo-Hydraulic Approach to Conceptual Design of an Internally Heat-integrated Distillation Column (i-HIDiC), European Symposium on Computer-aided Process Engineering-14, 181-186 (2004)
58. M Gadalla, L Sun, A de Rijke, Z Olujic, P.J. Jansens, Optimisation Tools for a Conceptual and Optimum Design of Heat-Integrated Distillation Columns, Nederlands Procestechnologie Symposium NPS3, Eindhoven, Netherlands, (2003)
59. Gadalla M, Jobson M and Smith R, Optimisation of Existing Heat-Integrated Complex Distillation Systems, Fluid Separation Processes Research Event, London, UK, (2002)
60. Gadalla M, Jobson M and Smith R, Retrofit of Refinery Distillation Systems, The International Conference on Distillation & absorption, Germany, September (2002)
61. Gadalla M, Jobson M and Smith R, Retrofit Shortcut Models for Design of Existing Distillation Systems, AIChE Spring Meeting, New Orleans, March (2002)
62. Gadalla M, Jobson M and Smith R, A Systematic Approach to Increasing Capacity and Decreasing Energy Demand of Existing Refinery Distillation Systems, AIChE Spring Meeting, New Orleans, March (2002)
63. Gadalla M, Aly G and Fahmy M, Optimisation of an Absorption-stripping Process for Pollution Reduction of Alcohol Vapour from Fermentation Plants, PRES’01, Italy, May (2001)