Programme | 9th International Slag Valorisation Symposium

Tuesday 8 April 2025

Workshop “Slag Valorisation roadmap: From calculations to pilot scale”

Wednesday 9 April 2025

08:20

Registration

08:40

Welcome

09:00

Plenary talk

Jyri Talja

Betolar, Finland TBD

09:40

Plenary talk

Hiroyuki Matsuura

University of Tokyo, Japan Role of Organic Acid on the Accelerated Dissolution of Nutrients from Steelmaking Slag into Aqueous Environment

10:20

Coffee break

10:50

Parallel session

Metal recovery and slag cleaning I

10:50
Vangelis Palavos-Chesper
Technische Universität Bergakademie Freiberg Tin Residue Valorisation via Carbon Neutral Reduction
11:10
Eva Benzal Montes
Eurecat – Technological Centre of Catalonia Recovery of Valuable Metals from Aluminium Dross
11:30
Joao Weiss
RWTH Aachen Influence of TiO₂ and CaO Addition in Synthetic Fayalitic Slag Targeting Tantalum Mineral Enrichment
11:50
Apet Nikoyan
University of Bremen Identification of unknown Crystalline Species Suitable for the Recovery of Refractory Elements from Metallurgical Slags
12:10
Michail Vafeias
National Technical University of Athens Metallurgical Valorisation Pathways for Calcium Aluminate Slags: a Versatile Raw Material for Future Circular Processes

10:50

Parallel session

Copper slag valorisation

10:50
Dorothea Schneider
RWTH Aachen Study on Slag Design of Fayalitic By-Products as an Oxide Raw Material for Solar Heat Absorber and Storage Media
11:10
Karen Valencia García
Universidad Autónoma de México Copper metallurgical slag as a sustainable precursor of iron oxide Nano catalysts integrated into a geopolymer to remove organic compounds from water
11:30
Jenny Isaksson
Luleå University of Technology The Effect of Industrial CaO Modification of Iron Silicate Slag on the Feasibility of Utilizing the Slag as a Supplementary Cementitious Material
11:50
Elin Lundmark
Luleå University of Technology Effect of ZnO Concentration on Iron Silicate Slag Reactivity in Cement Pore Solution
12:10
Konstantina Koukouza
KU Leuven Effect of Oxygen Partial Pressure in Molten Copper Slags on Hazardous Element Leaching Behaviour

12:30

Lunch break

14:00

Parallel session

Recovery of critical raw materials I

14:00
Alena Schnickmann
Clausthal University of Technology Crystallization Behaviour of Li-Mn-Oxides During Solidification Regarding Li Recovery
14:20
Stephan Sander
TU Bergakademie Freiberg Applying the Concept of Glass Ceramics: a Potential Path to Valorise Slags as Resource to Recover Critical Elements
14:40
Lexi K’Ng
University of Queensland Examining Critical Metals in Australia’S Slag: Uncovering Re-Use Options via Characterisation
15:00
Wouter Schroeyers
Hasselt University Multidisciplinairy Study on Sustainable Phosphogypsum Recycling and Management

14:00

Parallel session

Mineral carbonation / carbon sequestration I

14:00
Arne Peys
VITO Engineering the Phase Composition of Akermanitic Carbonatable Clinkers to Achieve High CO2 Reactivity
14:20
Natalia Pires Martins
VITO Mineral Carbonation of a Ferronickel Slag-Based Clinker
14:40
Mojca Loncnar
SIJ Acroni Evaluation of Potential use of Carbonated Steel Slag as Additives in Mortars
15:00
Liesbeth Horckmans
VITO Can Dynamic Mineral Carbonation be used to Make Low Carbon Binders from Steel Slags?

15:20

Coffee break

15:50

Parallel session

High temperature slag engineering I

15:50
Dharm Jeet Gavel
Tata Steel Fluxing Hisarna Ironmaking Process With Steel Making Slag
16:10
Philipp Keuter
GTT-Technologies Ai-Assisted Optimization of Slag Compositions for Enhanced Valorisation using ChemApp for Python
16:30
Mert Saraçoğlu
KU Leuven Investigating Slag Formation Mechanisms in Argon Oxygen Decarburization (AOD): a Thermodynamic and Experimental Approach

15:50

Parallel session

Iron and steel slag valorisation I

15:50
Ayane Jinnouchi
Kobe Steel Practical Application of Ground Improvement Method using Steelmaking Slag
16:10
Maria Michela Dell’Anna
Politecnico di Bari Waste Steel Slag as Efficient Support for Iron Oxo/Hydroxo Species as Organic Synthesis Catalysts
16:30
Michiel Giels
KU Leuven Valorisation of Electric Arc Furnace Slag Towards Reactive Supplementary Cementitious Materials

16:50

Poster pitches

Somnath Basu
Metallurgical Engineering & Materials Science Department, Indian Institute of Technology Influence of metal ion leaching on remediation of arsenic-contaminated water using
Ekinsu Akdogan
KU Leuven A Review on Environmental and Technoeconomic Assessments of Direct Reduced Iron (Dri) Production Technologies and Comparison of the Results With Other Steel Production Techniques
Yakinthi Avtzi
KU Leuven Options for the Valorisation of Steel Slags and Their Environmental Impact
Rim Boulahya
KU Leuven Integrated Framework for an Environmental and Economic Assessment for Hydrogen-Based Steel Production Technologies.
Katya Brunelli
Univeristy of Padua Production of Ferroalloy using Ladle Slag and PV Cells
Sheshang Singh Chandel
Indian Institute of Technology Ropar Enhancing the Efficiency of Slag-Metal Separation through Parameter Optimization in Hot-Stage Treatment of Electric Arc Furnace Slag
Milad Eskandarinia
University of Oulu Effects of Post-Milling Duration on Steel Slag Particle Size Distribution and Reactivity
Vojtech Ettler
Charles University Slags from Zambian Copper Smelters – Mineralogy, Leaching Properties and Resource Potential
Yi Huang
University of Science and Technology Beijing The Effect of Crystallization Temperature on the Properties of Silicon Manganese Slag Cast Stone
Rafik Kheffache
Heliosand Heliosand: Solar Vitrification Technology
Jannes König
Heidelberg Materials AG Durability Performance of Concrete Containing Ground Granulated Slag Derived from the Smelting of DRI
Joscha Kortmann
RWTH Aachen Machine Learning-Based Optimisation for Slag Design in Recycling Fine Fractions from Waste Treatment Facilities for use in Construction Materials
Mohamed Hosny Elsayed Mostafa Mahmoud
University of Glasgow Valorisation of Industrial Wastes: Exploring Red Mud-Derived Fe₂O₃ Composites for Efficient Doxycycline Adsorption
Piero Mastrorilli
Politecnico di Bari Steel Slags as Catalyst for the Microwave-Assisted Conversion of Waste Cooking Oil into Biodiesel
Antoine Floribert Mulaba-Bafubiandi
University of Johannesburg Citric Acid Recovery of Cu from Crucible Furnace Slag: Feasibility and Kinetics
Antoine Floribert Mulaba-Bafubiandi
University of Johannesburg Management of Secondary Slag from the Repurposing of Internal Combustion Engine Vehicle Conversion to Electric: Compliance and Reinforcement of Environmental Policies and Legislation in South Africa
Roberto Parra
Universidad de Concepción Kinetics of Iron Reduction from Copper Slags by using a Novel Green Hydrogen Reduction Process
Majda Pavlin
Slovenian National Building and Civil Engineering Institute Leaching of Toxic Elements from Alkali-Activated Stone Wool and Stainless Steel Industry By-Products
Xiao Pengcheng
North China University of Science and Technology Research and Optimization of High Speed Continuous Casting Slag for Low and Medium Carbon Steel Thin Slab
Ganesh Pilla
KU Leuven Hydrogen (H₂) Reduction of Bauxite Residue (“Red Mud”): from Laboratory to Pilot-Scale Implementation
Richard Schneider
RWTH Aachen Slag as an Important Parameter for Electroslag Remelting of Copper Alloys
Debadri Som
KU Leuven Optimization of Fe-Rich Slag-Based Mortars: Putting Mathematics to Work
Ganna Stovpchenko
Tianjin Heavy Industry Research and Development Co Analysis and Justification of Principles for Enhancing the Composition and Production Methods of ESR Slags
Leandro Voisin
University of Chile Analysis of Copper Recovery, Energy Consumption, and Gas Emissions in the Treatment of Smelting Slag through Controlled Cooling, Milling, and Flotation
Katharina Weisser
TU Graz Valorisation of Austrian Electric Arc Furnace Slag (EAF) and Ladle Slag (LS) by Carbonation Sequestration
Shaowen Wu
Chinese academy of science Carbon Dioxide Uptake of B₂O₃-Stabilized Metallurgical Slag Towards High Strength Building Materials
Samantha Yvars
TU Eindhoven Effect of Weathering and Free Lime Content on the Reactivity of BOF Slag
Christiaan Zeilstra
Tata Steel IJmuiden Investigation of Slags Arising from the HIsarna Ironmaking Process in Building Materials Application
Shuai Zhang
KU Leuven Effect of Nano-SiO₂ on the Mechanical Properties and Carbonation of Solid Waste-Based Alkali-Activated Materials
Lichun Zheng
Northeastern University China Effect of Additives on the Morphology of Metallic Particles Produced by Carbothermal Reduction of Stainless Steel Dust

17:20

Welcome Reception

18:00

Social activity
Guided city tour

Thursday 10 April 2025

09:00

Plenary talk

Sander Everstein

Tata Steel IJmuiden, The Netherlands TBD

09:40

Sponsor pitches

10:40

Coffee break

11:10

Parallel session

Mineral carbonation / carbon sequestration II

11:10
Anna Haas
Neustark AG The Potential of Storing CO₂ in Slags
11:30
Luka Ceyssens
KU Leuven Mechanochemical Activation of Argon Oxygen Decarburization Slags for Improved Mineral Carbonation
11:50
Elijah Adesanya
University of Oulu Utilization of Biochar to Enhance CO₂ Sequestration in Electric-Arc Furnace Slag Mortars
12:10
Alfonso Chinnici
The University of Adelaide Mineral Carbonation of Iron-Containing Waste from Heavy Industry: an Opportunity for Critical Minerals Recovery, By-Products Production and Carbon Capture

11:10

Parallel session

Iron and steel slag valorisation II

11:10
Elsayed Mousa
Swerim Hot Processing of Steel Slag Aiming a CO₂-Neutral Cement Production
11:30
Katharina Schraut
Université de Toulouse Vitrification and Reactivity of Synthetic High-Iron EAF Slags under Different Redox Conditions
11:50
Joachim Schneider
Bundesanstalt für Materialforschung und –prüfung Usage of BOF Slag and Next Generation EAF Slag in the Cement Industry
12:10
Paulo Araos
Universitat Politècnica de Catalunya Alkali Activation of Ladle Furnace Slag using Na and K Based-activators: Influence of Portland Cement as a Secondary Precursor

12:30

Lunch break

14:00

Parallel session

Metal recovery and slag cleaning II

14:00
Martin Lichovník
Charles University Using Automated Mineralogy for Tailoring the Metal Recovery from a Copper Slag
14:20
Katya Brunelli
Univeristy of Padua Ladle Steel Slag Valorisation through Aluminothermic Reduction
14:40
David Petriw
University of Toronto Hydrogen Direct Reduction and Magnetic Separation for the Extraction of Iron from Steelmaking Slag
15:00
José Palacios
Universidad de las Américas Iron Recovery from Copper Slag Is achieved using a Green Hydrogen Reduction Process
15:20
Hugo Lucas
RWTH Aachen Enam Based on Lithium-Ion-Batteries Pyrometallurgical Treatment

14:00

Parallel session

Residues valorisation: Environmental aspect, economic aspects and regulations

14:00
Ponnapat Watjanatepin
KU Leuven Full Life Cycle Impact Assessment of Mineral Carbonation of Steel Slags as a Carbon, Capture, Utilization and Storage Material in Agriculture
14:20
Shana Baumgartner
Norwegian University of Science and Technology Environmental Impact and Elemental Behaviour in Ferrochrome Smelting: A Life Cycle Assessment of Slag and By-Products
14:40
Nicole Dilissen
Buildwise Advancing Valorising Slag: Establishing a Belgian Standard Framework for Alkaline Activated Materials.
15:00
Daniel Monfort
BRGM Assessing the Potential of Critical Raw Materials Content in European Steel Slag

15:40