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Tuesday 8 April 2025

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

Wednesday 9 April 2025

08:00
Registration
08:30
Welcome
Welcome word by
Gerard Goovers – Vice rector KU Leuven – 08:30
Thomas Van Oppens – Alderman for Climate & Sustainability, Finance, Waste Policy, and Digitalisation for the City of Leuven – 08:40

09:00
Plenary talk

Jyri Talja

Betolar, Finland Maximising the slag value
09:40
Plenary talk

Hiroyuki Matsuura

University of Tokyo, Japan Past, present, and future of ferrous metallurgical slag for establishing the sustainable society
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
    National Autonomous University of Mexico (UNAM) 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
    Ursula Fittschen
    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

  • 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.
  • 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
  • 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
  • Majda Pavlin
    Slovenian National Building and Civil Engineering Institute Leaching of Toxic Elements from Alkali-Activated Stone Wool and Stainless Steel Industry By-Products
  • Ganesh Pilla
    KU Leuven Hydrogen (H2) Reduction of Bauxite Residue (“Red Mud”): from Laboratory to Pilot-Scale Implementation
  • Emma Pitacco
    Univeristy of Padua Production of Ferroalloy using Ladle Slag and PV Cells
  • 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
  • Samantha Yvars
    TU Eindhoven Effect of Weathering and Free Lime Content on the Reactivity of BOF Slag

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 Slag Quality Assurance at Tata Steel Nederland – Key for Sustainable Low-Carbon Steel Production
09:40

Sponsor pitches


10:40
Coffee break

11:10
Parallel session

Mineral carbonation / carbon sequestration II

  • 11:10
    Zack El Gharbaoui
    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
    Andreas Ehrenberg
    FEhS Investigation of Slags Arising from the HIsarna Ironmaking Process in Building Materials Application

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
    Filippo Disconzi
    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
Coffee break

16:10
Parallel session

Mineral wastes valorisation

  • 16:10
    Florian Roman Steindl
    TU Graz Innovative Upcycling Approaches for Slags and Mineral Wastes: Transforming Secondary Raw Materials into Novel Building Materials
  • 16:30
    Nikolaos Athanasakis
    KU Leuven Hydrothermally Cured Pressed Monoliths from Construction and Demolition Waste as New Building Materials
  • 16:50
    Klaus Doschek-Held
    Montanuniversität Leoben Valorisation of Mineral Wool Waste into Supplementary Cementitious Material
  • 17:10
    Dimitra Vathi
    TUC Geochemical and Environmental Assessment of Mining – Metallurgical Wastes and Alkali Activating Materials

16:10
Parallel session

High temperature slag engineering II

  • 16:10
    Christoph Gatschlhofer
    Montanuniversität Leoben Phosphide Formation Behaviour During Carbothermal Reduction of Chemically Modified Industrial and Phosphorus-Rich /-Poor Synthetic Basic Oxygen Furnace like Slag Systems
  • 16:30
    Yao-Hung Tseng
    China Steel Corporation A Breakthrough in Magnetic Phase Enrichment through Molten BOF Slag Treatment
  • 16:50
    Ganna Stovpchenko
    Tianjin Heavy Industry Research and Development Co Experimental Study of Physicochemical Properties for New Fluoride-Oxide Slag for ESR of Easy-Oxidising Steels
  • 17:10
    Joao Rezende
    GTT-Technologies The GTT-Technologies Oxide Database (GTOx): Newest Developments

18:30
Conference dinner

Friday 11 April 2025

09:00
Plenary talk

Joren Verschaeve

Environmental Coalition on Standards, Belgium A political economy perspective on slag valorisation in Europe. A bright future ahead ?!
09:40
Plenary talk

Inge Bellemans

Ghent University, Belgium Investigating the electrical conductivity in oxidic slags through a combined molecular dynamics – experimental approach
10:20
Coffee break

10:50
Parallel session

Electric Arc Furnace slag engineering and valorisation

  • 10:50
    David Algermissen
    FEhS – Building Materials Institute From Scrap Based EAF Slags to Next Generation Steel Making Slags
  • 11:10
    Marco Cantaluppi
    University of Oulu Characterization of Hydrogen Reduced Iron-based Electric Arc Furnace Slags (H2-DRI-EAFS) and comparison with Scrap-based EAFS
  • 11:30
    Ismael Matino
    Scuola Superiore Sant’Anna Advanced Data-Driven Methods for Predicting Electric Steelmaking Slags
  • 11:50
    Anniina Merenluoto
    University of Oulu Effects of Modification and Granulation on the Structure of Dri-Based EAF Slag
  • 12:10
    Thibaut Marcon
    CRM Group Use of Model and Pilot Scale Plasma Furnace to Assess the Next-Gen Dri-EAF Slags

10:50
Parallel session

Utilisation of Fe-rich residues

  • 10:50
    Fabio Oliveira
    KU Leuven Use of Common Materials as Additives to Enhance the Performance of Autoclaved Monoliths Made from Bauxite Residue
  • 11:10
    Andreas Appel
    Hochschule München University of Applied Sciences Use of Iron Silicate Granulate as Supplementary Cementitious Material
  • 11:30
    Tobias Hertel
    KU Leuven Evaluating the Performance of Bauxite-Residue Based Monoliths: the Role of Material Characteristics
  • 11:50
    Jan Urbánek
    UCT Prague Bauxite Residue Vitrification in a Pilot Cement Rotary Kiln
  • 12:10
    Mathijs Schuurmans
    Optia Designing Novel Material Mixtures using Gray-Box Modelling and Numerical Optimization

12:30
Lunch break

14:00
Parallel session

Iron and steel slag valorisation III

  • 14:00
    Muhammad Salman
    IIT Bombay Alkali-Activated Ground Granulated Blast Furnace Slag Binder Based Concrete Mixtures Tailored for Pumping Applications
  • 14:20
    Guillaume Lepêcheur
    KU Leuven Reaction Limiting Mechanisms and Kinetic Modelling of Ground Granulated Blast Furnace Slag Hydration in R3 Model Systems
  • 14:40
    Moise Kalenga
    University of the Witwatersrand Valorising a Novel Open Bath Furnace Slag as a Viable Supplementary Cementitious Material
  • 15:00
    Anna Krammer
    Montanuniversität Leoben Physical Properties of Carbothermally Treated Metallurgical Residues for Application in the Cement Industry

14:00
Parallel session

Recovery of critical raw materials II

  • 14:00
    Zouhir Balagh
    Mohammed VI Polytechnic University Dolomite-Rich Waste Rock Processing using Phosphoric Acid: Towards Circular Economy in the Phosphate Industry
  • 14:20
    Sander Arnout & Elise François
    InsPyro NV – ResourceFull FlashPhos – Proof of Concept of Recovery of Elemental Phosphorus and Valuable Slag from Sewage Sludge
  • 14:40
    Mohamed Haidouri
    Mohammed VI Polytechnic University Sustainable Closed-Loop Process for the Valorisation of Phosphate Mine Waste Rock

15:20

Closing session


15:35
Closing reception