Tuesday 8 April 2025

Workshop "Slag Valorisation roadmap: From calculations to pilot scale"

Wednesday 9 April 2025

Registration

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

Plenary talk

Jyri Talja

Plenary talk

Hiroyuki Matsuura

Coffee break

Parallel session

Metal recovery and slag cleaning I

• 10:50

  Vangelis Palavos-Chesper

  Technische Universität Bergakademie FreibergTin residue valorisation via carbon neutral reducing agents
• 11:10

  Eva Benzal

  Eurecat – Technological Centre of CataloniaRecovery of valuable metals from aluminium dross
• 11:30

  Joao Weiss

  RWTH AachenInfluence of TiO2 and CaO addition in synthetic fayalitic slag targeting tantalum mineral enrichment
• 11:50

  Apet Nikoyan

  University of BremenIdentification of unknown crystalline species suitable for the recovery of refractory elements from metallurgical slags
• 12:10

  Michail Vafeias

  National Technical University of AthensMetallurgical valorisation pathways for calcium aluminate slags: a versatile raw material for future circular processes

Parallel session

Copper slag valorisation

• 10:50

  Dorothea Schneider

  RWTH AachenStudy 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 TechnologyThe effect of industrial CaO modification of iron silicate slag on the feasibility of utilising slag as a supplementary cementitious material
• 11:50

  Elin Lundmark

  Luleå University of TechnologyEffect of ZnO concentration of iron silicate slag reactivity in cement pore solution
• 12:10

  Konstantina Koukouza

  KU LeuvenEffect of oxygen partial pressure in molten copper slag and its impact on the leaching

Lunch break

Parallel session

Recovery of critical raw materials I

• 14:00

  Ursula E. A. Fittschen

  Clausthal University of TechnologyCrystallisation behaviour of Li-Mn-oxides during solidification regarding Li recovery
• 14:20

  Stephan A.H. Sander

  TU Bergakademie FreibergApplying the concept of glass ceramics: a potential path to valorise slags as resource to recover critical elements
• 14:40

  Lexi K’ng

  University of QueenslandExamining critical metals in Australia’s slag: uncovering re-use options via characterisation
• 15:00

  Wouter Schroeyers

  Hasselt UniversityMultidisciplinary study on sustainable phosphogypsum recycling and management

Parallel session

Mineral carbonation / carbon sequestration I

• 14:00

  Arne Peys

  VITOEngineering the phase composition of akermanitic carbonatable clinkers to achieve high CO2 reactivity
• 14:20

  Natalia Pires Martins

  VITOMineral carbonation of a ferronickel slag-based clinker
• 14:40

  Mojca Loncnar

  SIJ AcroniEvaluation of the potential use of carbonated steel slag as a filler aggregate in mortars
• 15:00

  Liesbeth Horckmans

  VITOCan dynamic mineral carbonation be used to make low carbon binders from BOF slags?

Coffee break

Parallel session

High temperature slag engineering I

• 15:50

  Dharm Jeet Gavel

  Tata SteelFluxing hisarna ironmaking process with steel making slag
• 16:10

  Philipp Keuter

  GTT-TechnologiesAI-assisted optimisation of slag compositions for enhanced valorisation using Chemapp for Python
• 16:30

  Mert Saraçoğlu

  KU LeuvenSlag formation mechanisms in argon oxygen decarburisation (AOD): a thermodynamic and experimental approach

Parallel session

Iron and steel slag valorisation I

• 15:50

  Ayane Jinnouchi

  Kobe SteelPractical application of ground improvement method using steelmaking slag
• 16:10

  Maria Michela Dell’Anna

  Politecnico di BariWaste steel slag as efficient support for iron oxo/hydroxo species as organic synthesis catalysts
• 16:30

  Michiel Giels

  KU LeuvenTransformation of electric arc furnace slag towards reactive supplementary cementitious materials: a pragmatic approach

Poster pitches

• Debadri Som

  KU LeuvenOptimisation of Fe-rich slag-based mortars: putting mathematics to work

• Ekinsu Akdogan

  KU LeuvenA review on environmental and technoeconomic assessments of natural gas based direct reduced iron production path

• Emma Pitacco

  Univeristy of PaduaProduction of ferroalloys using ladle slag and PV cells

• Ganesh Pilla

  KU LeuvenHydrogen (H2) reduction of bauxite residue (“red mud”): from laboratory to pilot-scale

• Hiroyuki Matsuura

  University of TokyoRoe of organic acid on the accelerated dissolution of nutrients from steelmaking slag into aqueous environment

• Jannes König

  Heidelberg Materials AGDurability performance of concrete containing ground granulated slag derived from the smelting of DRI

• Joscha Kortmann

  RWTH AachenDevelopment of a Python based optimisation tool for feedstock composition and process parameters in slag smelting for binder applications in construction materials from diverse mineral waste streams using thermochemical simulation

• Majda Pavlin

  Slovenian National Building and Civil Engineering InstituteLeaching of toxic elements from alkali-activated stone wool and stainless steel industry by-products

• Milad Eskandarinia

  University of OuluEffects of post-milling duration on steel slags particle size distribution and reactivity

• Mohamed Mahmoud

  University of GlasgowValorisation of industrial wastes: exploring red mud-derived Fe2O3 composites for efficienct doxycycline adsorption

• Piero Mastrorilli

  Politecnico di BariSteel slags as catalyst for the microwave-assisted conversion of waste cooking oil into biodiesel

• Richard Schneider

  RWTH AachenSlag as an important parameter for electroslag remelting of copper alloys

• Rim Boulahya

  KU LeuvenIntegrated framework for environmental and economic assessment for hydrogen-based steel production technology

• Samantha Yvars

  TU EindhovenEffect of weathering on the reactivity of BOF slag

• Shuai Zhang

  KU LeuvenEffect of nano-SiO2 on the mechanical properties and carbonation of solid waste-based alkali-activated materials

• Vojtech Ettler

  Charles UniversitySlags from zambian copper smelters – mineralogy, leaching properties and resource potential

• Yakinthi Avtzi

  KU LeuvenOptions for the valorisation of electric arc furnace slags and their environmental impact

• Zhan Xiao

  Tianjin Heavy Industry Research and Development CoAnalysis and justification of principles for enhancing the composition and production methods of ESR slags

Welcome Reception

Social activity: Guided city tour

Thursday 10 April 2025

Plenary talk

Sander Everstein

Sponsor pitches

Coffee break

Parallel session

Mineral carbonation / carbon sequestration II

• 11:10

  Zack El Gharbaoui

  Neustark AGThe potential of storing CO2 in slags
• 11:30

  Luka Ceyssens

  KU LeuvenMechanochemical activation of argon oxygen decarburisation slags for improved mineral carbonation
• 11:50

  Elijah Adesanya

  University of OuluUtilisation of biochar to enhance CO2 sequestration in electric-arc furnace slag mortars
• 12:10

  Alfonso Chinnici

  The University of AdelaideMineral carbonation of iron-containing waste from heavy industry: an opportunity for critical minerals recovery, by-products production and carbon capture

Parallel session

Iron and steel slag valorisation II

• 11:10

  Elsayed Mousa

  SwerimHot processing of steel slag aiming for a CO2-neutral cement production
• 11:30

  Katharina Schraut

  Université de ToulouseVitrification and reactivity of synthetic high-iron EAF slags under different redox conditions
• 11:50

  Joachim Schneider

  Bundesanstalt für Materialforschung und –prüfungUsage of BOF slag and next generation EAF slag in the cement industry
• 12:10

  Andreas Ehrenberg

  FEhSInvestigation of Slags Arising from the HIsarna Ironmaking Process in Building Materials Application

Lunch break

Parallel session

Metal recovery and slag cleaning II

• 14:00

  Martin Lichovník

  Charles UniversityUsing automated mineralogy for tailoring the metal recovery from a copper slag
• 14:20

  Filippo Disconzi

  Univeristy of PaduaLadle steel slag valorisation through aluminothermic reduction
• 14:40

  David Petriw

  University of TorontoHydrogen direct reduction and magnetic separation for the extraction of iron from steelmaking slag
• 15:00

  José Palacios

  Universidad de las AméricasIron recovery from copper slag is achieved using a green hydrogen reduction process
• 15:20

  Hugo Lucas

  RWTH AachenEnAM based on lithium-ion-batteries pyrometallurgical treatment

Parallel session

Residues valorisation: Environmental aspect, economic aspects and regulations

• 14:00

  Ponnapat Watjanatepin

  KU LeuvenFull life cycle impact assessment of mineral carbonation of steel slags as a carbon capture, utilisation and storage material in agriculture
• 14:20

  Shana Baumgartner

  Norwegian University of Science and TechnologyEnvironmental impact and elemental behaviour in ferrochrome smelting: a life cycle assessment of slag
• 14:40

  Nicole Dilissen

  BuildwiseAdvancing valorising slag: establishing a Belgian standard framework for alkaline activated materials
• 15:00

  Daniel Monfort

  BRGMAssessing the potential of critical raw materials content in European steel slag

Coffee break

Parallel session

Mineral wastes valorisation

• 16:10

  Florian Roman Steindl

  TU GrazInnovative upcycling approaches for slags and mineral wastes: transforming secondary raw materials into novel building materials
• 16:30

  Nikolaos Athanasakis

  KU LeuvenHydrothermally cured pressed monoliths from construction and demolition waste as new building materials
• 16:50

  Klaus Doschek-Held

  Montanuniversität LeobenValorisation of mineral wool waste into supplementary cementitious material
• 17:10

  Dimitra Vathi

  TUCGeochemical environmental assessment of mining - metallurgical wastes and alkali activating materials

Parallel session

High temperature slag engineering II

• 16:10

  Christoph Gatschlhofer

  Montanuniversität LeobenPhosphide formation behaviour during pyrometallurgical treatment of basic oxygen furnace slag like systems
• 16:30

  Yao-Hung Tseng

  China Steel CorporationA breakthrough in magnetic phase enrichment through molten BOF slag treatment
• 16:50

  Ganna Stovpchenko

  Tianjin Heavy Industry Research and Development CoExperimental study of physicochemical properties for new fluoride-oxide slag for ESR of steels with easily oxidisable components
• 17:10

  Joao Rezende

  GTT-TechnologiesThe GTT-technologies oxide database (GTOx): newest developments

Conference dinner

@ Mykene, Muntstraat 44, 3000 Leuven

Friday 11 April 2025

Plenary talk

Joren Verschaeve

Plenary talk

Inge Bellemans

Coffee break

Parallel session

Electric Arc Furnace slag engineering and valorisation

• 10:55

  David Algermissen

  FEhS – Building Materials InstituteFrom scrap based EAF slags to next generation steel making slags
• 11:15

  Marco Cantaluppi

  University of OuluCharacterisation of hydrogen reduced iron-based electric arc furnace slags (H2-DRI-EAFS) and comparison with scrap-based EAFs
• 11:35

  Ismael Matino

  Scuola Superiore Sant’AnnaAdvanced data-driven methods for predicting electric steelmaking slags
• 11:55

  Anniina Merenluoto

  University of OuluEffects of modification and granulation on the structure of DRI-based EAF slag
• 12:15

  Thibaut Marcon

  CRM GroupUse of model and pilot scale plasma furnace to assess the next-gen DRI-EAF slags

Parallel session

Utilisation of Fe-rich residues

• 10:55

  Fábio Oliveira

  KU LeuvenUse of common materials as additives to enhance the performance of autoclaved monoliths made from bauxite residue
• 11:15

  Andreas Appel

  Hochschule München University of Applied SciencesUse of iron silicate granulate as supplementary cementitious material
• 11:35

  Tobias Hertel

  KU LeuvenEvaluating the Performance of Bauxite-Residue Based Monoliths: the Role of Material Characteristics
• 11:55

  Jan Urbánek

  UCT PragueBauxite residue vitrification in a pilot cement rotary kiln
• 12:15

  Mathijs Schuurmans

  OptiaDesigning novel material mixtures using gray-box modelling and numerical optimisation

Lunch break

Parallel session

Iron and steel slag valorisation III

• 14:00

  Muhammad Salman

  IIT BombayAlkali-activated ground granulated blast furnace slag binder based concrete mixtures tailored for pumping applications
• 14:20

  Guillaume Lepêcheur

  KU LeuvenReaction 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 Christine Krammer

  Montanuniversität LeobenPhysical properties of carbothermally treated metallurgical residues for application in the cement industry

Parallel session

Recovery of critical raw materials II

• 14:00

  Zouhir Balagh

  Mohammed VI Polytechnic UniversityDolomite-rich waste rock processing using phosphoric acid: towards circular economy in the phosphate industry
• 14:20

  Sander Arnout & Elise Franҫois

  InsPyro – ResourceFullFlashPhos – proof of concept of recovery of elemental phosphorus and valuable slag from sewage sludge
• 14:40

  Mohamed Haidouri

  Mohammed VI Polytechnic UniversitySustainable closed-loop process for the valorisation of phosphate mine waste rock

Closing session

Closing reception