Abel Woldu Ourgessa, PhD.
Scientific background:
- inorganic waste volarisation
- 3D printing alkali-activated materials and geopolymers
- sustainable cementitious materials
- low carbon binders
Publication activity:
- Publications in scientific journals: 6
- Contributed lectures at conferences: 4
- Invited lectures: 2
- Citations: 35
The most significant publications:
- Abel W. Ourgessa, J. Kraxner, H. Elsayed, D. Galusek, E. Bernardo, “Sustainable construction materials from alkali-activated waste fiberglass and waste refractory”, Open Ceramics, 2024, https://doi.org/10.1016/j.oceram.2024.100678.
- Abel W. Ourgessa , Ahmed G, Mokhtar Mouhamed, Jozef Kraxner, Hamada Elsayed, Dusan Galusek and Enrico Bernardo “Direct ink writing of lightweight 3D structures from alkali-activated waste fiberglass and glass microsphere fillers“. Open ceramics, 2025, https://doi.org/10.1016/j.oceram.2025.100825
- Varlik E, Drotárová L,Ourgessa A, Vitázková M, Nawaz Q, Chen S, et al. Low-temperature sintered boron-doped S53P4bioactive glass scaffolds fabricated by robocasting. JAm Ceram Soc. 2025;e70292.https://doi.org/10.1111/jace.70292
- W.Ourgessa, A.Tebeje, R.A. Hafa-The Effect of Alkaline Concentration and Curing Temperature on the Durability of Fly Ash Geopolymer Mortar, Advanced material research, Vol 117(2022) https://doi.org/10.4028/p-ceit32
- Abel W. Ourgessa, Amen Aniley, Ababo G. Gudisa, Ibsa Neme, Alemshet Bekele. (2019). Effect of Alkaline Concentration and Solid Liquid Ratio on the Acid Resistance of Fly Ash-Based Geopolymer Mortar. American Journal of Science, Engineering and Technology, 4(4), 80-85. https://doi.org/10.11648/j.ajset.20190404.14)
Education:
2025: PhD– Doctor of Philosophy in chemical engineering from the FunGlass Centre, Slovakia, and industrial engineering from the University of Padova, Italy. Thesis titled “Geopolymer-like materials from engineered mixtures of inorganic waste“
2015: MSc. Degree in chemical engineering, KU Leuven, Belgium. Thesis titles: “Effect of addition of calcined clay and curing temperature on the freeze-thaw resistance of geopolymer mortars“
Awards, scholarships, and research stays:
- Internal Grant, FunGlass (2022-2023)
- PhD fellowship, Industrial Engineering Department, University of Padova (2022-2023)
- Addis Ababa Science and Technology University (AASTU) research and technology transfer department, 2017-2019








