Dr. Ali Abdelshafy

Veröffentlichungen

Abdelshafy, A.; Strunge, T.; Stephan, D.; Walther, G. (2025): A comparative techno-economic assessment of CO2 mineralization and CO2 concrete curing technologies: A case study from the construction sector in Western Germany In: Journal of CO2 Utilization, Accepted

Lange, S.; Abdelshafy, A.; Walther, G. (2025): Modeling the Urban Stock and Lifecycles of Bridges: An Integrated Framework for Dynamic-Locational Material Flow Analysis In: Resources, Conservation & Recycling, Volume 218, Pages 108232. DOI: https://doi.org/10.1016/j.resconrec.2025.108232

Kern, J.; Abdelshafy, A.; Walther, G. (2024): A global geospatial analysis to evaluate the impact of biochar on maize yield In: Journal of Environmental Management, Volume 373, Pages 123501. DOI: https://doi.org/10.1016/j.jenvman.2024.123501

Yeates, C.; Abdelshafy, A.; Schmidt-Hattenberger, C.; Walther, G. (2024): Industrial CO2 transport in Germany: Comparison of pipeline routing scenarios In: International Journal of Greenhouse Gas Control, 104225, Issue 137. DOI: https://doi.org/10.1016/j.ijggc.2024.104225

Rütt, J.; Abdelshafy, A.; Walther, G. (2024): Using miscanthus and biochar as sustainable substrates in horticulture: an economic and carbon footprint assessment of their primary and cascading value chains In: Sustainable Production and Consumption, Volume 49, Pages 163-178. DOI: https://doi.org/10.1016/j.spc.2024.06.016

Abdelshafy, A.; Lambert, M.; Walther, G. (2024): MENA region as a potential hydrogen supplier for the European market: analysing a prospective route between Kingdom of Saudi Arabia and Germany In: The Oxford Institute for Energy Studies, Link: https://www.oxfordenergy.org/publications/mena-region-as-a-potential-hydrogen-supplier-for-the-european-market-analysing-a-prospective-route-between-kingdom-of-saudi-arabia-and-germany/, Issue OIES Paper: ET31

Abdelshafy, A.; Walther, G. (2023): Analyzing current carbon capture, utilization and storage (CCUS) research and pilot projects in the European cement sector In: The Oxford Institute for Energy Studies, Link: https://www.oxfordenergy.org/publications/analyzing-current-carbon-capture-utilization-and-storage-ccus-research-and-pilot-projects-in-the-european-cement-sector/, Issue OIES Paper: CM06

Abdelshafy, A.; Hermann, A.; Herres-Pawlis, S.; Walther, G. (2023): Opportunities and challenges of establishing a regional bio-based Polylactic Acid supply chain In: Global Challenges, Volume 2200218. DOI: https://doi.org/10.1002/gch2.202200218

Radloff, R.; Abdelshafy, A.; Walther, G. (2023): An integrative and prospective approach to regional material flow analysis: Modelling the decarbonisation of the North-Rhine Westphalian Steel Industry In: Journal of Industrial Ecology, Volume 37, Issue 3, Pages 662-675. DOI: https://doi.org/10.1111/jiec.13387

Abdelshafy, A.; Walther, G. (2023): Using dynamic-locational material flow analysis to model the development of urban stock In: Building Research & Information, Volume 51, Issue 1, Pages 5-20. DOI: https://doi.org/10.1080/09613218.2022.2142495

Abdelshafy, A.; Franzen, D.; Mohaupt, A.; Schüssler, J.; Bührig-Polaczek, A.; Walther, G. (2022): A Feasibility Study to Minimize the Carbon Footprint of Cast Iron Production while Maintaining the Technical Requirements In: Journal of Sustainable Metallurgy, Volume 9, Issue 1, Pages 249-265. DOI: https://doi.org/10.1007/s40831-022-00642-5

Abdelshafy, A.; Lambert, M.; Walther, G. (2022): The role of CCUS in decarbonizing the cement industry: A German case study In: Energy Insight, Link: https://www.oxfordenergy.org/publications/the-role-of-ccus-in-decarbonizing-the-cement-industry-a-german-case-study/, Volume 115, Pages 1-31

Abdelshafy, A.; Walther, G. (2022): Coupling carbon capture and utilization with the construction industry: opportunities in Western Germany In: Journal of CO2 Utilization, Volume 57, Issue 101866. DOI: https://doi.org/10.1016/j.jcou.2021.101866

Abdelshafy, A.; Walther, G. (2022): Exploring the effects of energy transition on the industrial value chains and alternative resources: A case study from the German federal state of North Rhine-Westphalia (NRW) In: Resources, Conservation and Recycling, Volume 177, Issue 105992. DOI: https://doi.org/10.1016/j.resconrec.2021.105992

Bogs, S.; Abdelshafy, A.; Walther, G. (2025): Planning minimum regret C⁢O2 pipeline networks In: arXiv Preprint. DOI: 10.48550/arXiv.2502.12035

Stadnichuk, V.; Bogs, S.; Abdelshafy, A.; Walther, G. (2025): Towards an optimum carbon backbone: A Bilevel Model Approach for Efficient CO2 Pipeline Design and Price Policy in Germany. DOI: http://dx.doi.org/10.13140/RG.2.2.36717.09445

Abdelshafy, A. (2023): Towards climate-neutral and circular industrial systems - approaches for integrated modelling, assessment and planning at regional level. DOI: https://doi.org/10.18154/RWTH-2023-05379

Finkewirth, L.; Abdelshafy, A.; Walther, G. (2023): A comparative environmental assessment of the cast iron and steel melting technologies in Germany In: Energy Proceedings, Volume 29, Issue 9. DOI: https://doi.org/10.46855/energy-proceedings-10296

Abdelshafy, A.; Hermann, A.; Herres-Pawlis, S.; Walther, G. (2022): Investigating the opportunities of establishing a regional bio-based polylactic acid supply chain: A case study from North Rhine-Westphalia In: Chemie Ingenieur Technik, Volume 94, Issue 9, Pages 1307-1307. DOI: https://doi.org/10.1002/cite.202255120

Abdelshafy, A.; Walther, G. (2021): Using the Urban Stock as A Carbon Sink: A Case Study from the German Federal State of North Rhine – Westphalia In: SINTEF Academic Press, SINTEF Proceedings 7, ISBN: 978-82-536-1714-5, Pages 310-317

Abdelshafy, A.; Walther, G. (2023): Carbon capture and storage: smokescreen, white elephant, or linchpin? In: SDG Action, Link: https://sdg-action.org/wp-content/uploads/2023/11/SDG-Action-COP28-edition.pdf, Pages 56-57

Rütt, J.; Abdelshafy, A.; Walther, G. (2024): Miscanthus and Biochar in Horticulture: An Economic and Environmental Assessment of Sustainable and Cascading Substrate Solutions In: Industrial Ecology Day, International Society for Industrial Ecology, online

Abdelshafy, A.; Walther, G. (2020): Reinisches Revier 2038: Analyzing the regional resources as a vital step towards bio-based sustainable supply chains In: Chancen des Strukturwandels – Neue Perspektiven für NRW

Rütt, J.; Abdelshafy, A.; Walther, G. (2024): Using miscanthus and biochar as sustainable substrates in horticulture: An economic and carbon footprint assessment of their primary and cascading value chains. Miscanthus Forschungskolloquium Frauenhofer ISE, 05. June - 30. November -1, online, Vortrag am 05. June 2024

Rütt, J.; Abdelshafy, A.; Walther, G. (2024): Miscanthus und Pflanzenkohle als nachhaltige Gartenbausubstrate: eine ökonomische und ökologische Analyse ihrer primären und kaskadierenden Wertschöpfungsketten. 12. Internationale Miscanthus Tagung, 24. November - 26. November 2024, Lohne, Vortrag am 25. November 2024

Bogs, S.; Abdelshafy, A.; Walther, G. (2024): Developing a game theoretic approach for planning a CO2 pipeline network. Annual conference of the Society for Operations Research in Germany, 04. September - 06. September 2024, Munich, Vortrag am 06. September 2024

Stadnichuk, V.; Bogs, S.; Abdelshafy, A.; Walther, G. (2024): Towards an optimum carbon backbone: A Bilevel Model Approach for Efficient CO2 Pipeline Design and Price Policy in Germany. 33rd European Conference on Operational Research, 30. June - 03. July 2024, Copenhagen, Vortrag am 03. July 2024

Bogs, S.; Abdelshafy, A.; Yeates, C.; Walther, G. (2023): Planning of CO2 Pipeline Networks under Uncertainty with Extended Scenario Analysis. Logistikmanagement-Tagung LM 2023, 13. September - 14. September 2023, Dresden, Vortrag am 13. September 2023

Radloff, R.; Abdelshafy, A.; Walther, G. (2023): Modelling the regional transformation to hydrogen-based green steel: An integrative and prospective material flow analysis of the North Rhine-Westphalian steel industry. 11th International Conference on Industrial Ecology (ISIE), 02. July - 05. July 2023, Leiden, Vortrag am 04. July 2023

Abdelshafy, A.; Walther, G. (2023): Using integrated MFA approaches to model industrial transformation: Case studies from the construction sector in Germany. 11th International Conference on Industrial Ecology (ISIE), 02. July - 05. July 2023, Leiden, Vortrag am 04. July 2023

Abdelshafy, A.; Strunge, T.; Walther, G. (2023): A comparative techno-economic analysis of CO2 concrete curing and CO2 mineralization technologies. Trondheim Carbon Capture and Storage Conference (TCCS-12), 20. June - 21. June 2023, Trondheim, Vortrag am 20. June 2023

Radloff, R.; Abdelshafy, A.; Walther, G. (2022): The implications of regional transformation towards hydrogen-based steel: A case study from western Germany. The 8th European Coke and lronmaking Congress (ECIC) & The 9th International Conference on Science and Technology of Ironmaking (ICSTI), 29. August - 02. September 2022, Bremen, Vortrag am 30. August 2022

Finkewirth, L.; Abdelshafy, A.; Walther, G. (2022): A comparative environmental assessment of the cast iron and steel melting technologies in Germany. The 14th International Conference on Applied Energy (ICAE 2022), 08. August - 11. August 2022, Bochum, Vortrag am 10. August 2022

Abdelshafy, A.; Walther, G. (2022): Potentials of sequestering the industrial emissions via carbonation: a case study from North Rhine- Westphalia/Germany. The Concrete Dialogue 2022, 03. June 2022, Brussels, Vortrag am 03. June 2022

Krusenbaum, J.; Rothhöft, K.; Radloff, R.; Abdelshafy, A.; Walther, G. (2022): The role of recycling and novel technologies in mitigating the environmental impact of non-ferrous metals: a case study from Germany. International Conference on Resource Sustainability, 01. August - 04. August 2022, Vortrag am 02. August 2022

Zabek, M.; Jegen, P.; Kreiß, L.; Abdelshafy, A.; Walther, G. (2022): Introducing a novel concept for an integrated demolition waste recycling center. International Conference on Resource Sustainability, 01. August - 04. August 2022, Vortrag am 03. August 2022

Abdelshafy, A.; Walther, G. (2021): Transformation of the NRW construction sector - Implications from dynamic material flow analysis and building stock models. Wissenschaft trifft Wirtschaft 2021, 28. October 2021, Vortrag am 28. October 2021

Abdelshafy, A.; Walther, G. (2021): Using the urban stock as a carbon sink: a case study from the German federal state of North Rhine-Westphalia. Trondheim Carbon Capture and Storage Conference (TCCS-11), 22. June - 23. June 2021, Virtual/Trondheim, Vortrag am 23. June 2021

Abdelshafy, A.; Walther, G. (2021): Investigating the opportunities of coupling carbon capture and utilization with the supply chains of construction industry: a case study from western Germany. 18th International Conference on Carbon Dioxide Utilization, 18. July - 22. July 2021, Virtual/Daejeon, Vortrag am 21. July 2021

Abdelshafy, A.; Merchan, A.L.; Walther, G. (2021): Designing a sustainable supply chain for bio-based succinic acid in North Rhine-Westphalia. 3rd Conference on Sustainable Supply Chains, 22. July - 23. July 2021, Virtual