Programme & Downloads

Welcome
Bart Blanpain – A bird’s eye view of the slag valorization work at KU Leuven Plenary lecture	presentation

Symposium Topics

Session 1: Slag properties

• Thermodynamic properties of slags
• Thermal properties of slags
• Electrical conductivity of slags
• Rheological behaviour of slags
• Slag structure
• Slag modelling

Session 1: Slag properties
Michael Müller – Experimental investigation and modelling of the viscosity of oxide slag systems Plenary lecture	paper	presentation
Peter Hayes – Recent experimental and modelling research on the thermodynamics and phase equilibria of multi-component oxide systems Plenary lecture	paper	presentation
Fredrik Engström – Influence of slag mineralogy on possibilities for use in alternative applications Keynote lecture	paper	presentation
Sunghee Lee – A study on the phase fractional and compositional effect of slag on the desulphurisation for slag recycling
Rauf Hurman Eric – Chromous capacities of ferrochromium and matte smelting slags	paper
Mojca Loncnar – Leaching and geochemical modelling of a metallurgical slag heap	paper	presentation
Marjaana Karhu – Characterisation of steel industry slag suitability as raw material for refractory castables	paper	presentation
Luckman Muhmood – Surfacce tension studies of molten CaO Al2O3 jets – Oscillating Jet Method	paper
Xuefeng Bai – Study on the recycling of hot decarburisation slag in dephosphorisation converter	paper	presentation
Xiao Xiao Gao – Study of the blue/green colour of blast furnace slag based materials	paper	presentation
Harrison Hodge – Bauxite residue sinter phase transformations	paper	presentation
Piotr Migas – High-temperature rheometry of selected metallurgical slags and precipitated fine solids	paper	presentation
Gaurav Tripathi – Effect of static and dynamic experimental conditions on the dissolution behaviour of alumina in BOF slags	paper	presentation

Session 2: Slag solidification and energy recuperation

• Slag crystallization behaviour
• Slag freeze lining
• Slag solidification and mineralogy
• Slag solidification modeling
• Heat recovery

Session 2: Slag solidification and energy recuperation
Jung-Wook Cho – Kinetics and morphological evolution during melt crystallisation of mould fluxes Plenary lecture	paper
Juncheng Li – Crystallisation behaviour of liquid CaO-SiO2-FeO-MnO slags in moist gas atmospheres Keynote lecture	paper	presentation
Chunwei Liu – Effect of Al2O3 addition on the crystallisation of a high basicity BOF slag: perspective of glass forming ability for slag valorisation	paper
Yu Li – Convert hot slag into value-added materials by modification methods
Leandro Voisin – Effects of clay minerals on viscosity and copper entrainment losses in smelting slags	paper
Youva Raj Tyagi – Solidification and stabilisation of waste wood to produce enriched green concrete for environmental protection and waste minimisation through mecalithe© technology	paper	presentation

Session 3: Clean slag production and metal recovery

• Hot stage slag engineering
• Pyrometallurgical slag refining (e.g. fuming)
• Slag-metal interactions
• Addition of fluxes
• Sedimentation phenomena for metal recovery
• Metal-slag separation after solidification

Session 3: Clean slag production and metal recovery
Bernd Friedrich – The submerged arc furnace (SAF) state of art in metal recovery from non-ferrous slags Plenary lecture	paper	presentation
Bror-Magnus Heegaard – ARCFUME: metal recycling and deep-cleaning of slags Keynote lecture	paper	presentation
Dong Jun Shin – Selective recovery of phosphorus and manganese from steelmaking slag by carbothermic reduction	paper	presentation
Yanling Zhang – Thermodynamic prediction of chromium reduction behaviour from slag	paper	presentation
Wesley Banda – Metallothermic production of cement extender from manganese waste slags	paper	presentation
Willie Nheta – Investigation on the mechanisms of bio-processing vanadium slags	paper	presentation
David Friedmann – Slag design for zero waste metallurgy of marine manganese nodules
Vincent Cnockaert – Metal droplet entrainment by solid particles in slags: a phase field – experimental approach	paper	presentation
Elise Francois – Laser-induced breakdown spectroscopy: a step closer to on-line quality control of slags?	paper	presentation
Simon Michaux – Comparison of electrodynamic fragmentation and crushing of converter slag and EOL bricks	paper	presentation
Antoine Floribert Mulaba-Bafubiandi – Microorganisms assisted dissolution of smelter and matte-slag products	paper
Antoine Floribert Mulaba-Bafubiandi – Froth flotation to replace electric furnace for nickel loss reduction in the flash furnace slag	paper
Theofani Tzevelekou – Coproduction development of mineral wool and low nickel-FeNi by feeding of ALUFLUX	paper	presentation
Camila Pizarro – Determination of the behaviour of valuable metals during the controlled cooling of copper smelting slags to clarify their recovery by grinding and flotation	paper	presentation
Leandro Voisin – CFD predictive model to determine the sedimentation and coalescence of entrained copper during controlled cooling process of copper smelting slag	paper	presentation
Lijun Wang – Recovery of iron, vanadium, manganese, chromium, and titanium from vanadium slag by molten salt electrolysis	paper	presentation

Session 4: Sustainable cements with slag

• Molten slag engineering for new binders
• Additives for OPC clinker
• New clinkers
• Slags as pozzolanic and latent hydraulic binders for blended cements
• Environmental footprint of new binders
• Durability aspects of new binders

Session 4: Sustainable cements with slag
Didier Lootens – Modernisation of the construction: materials – testing – application to 3D printing Keynote lecture
Andreas Ehrenberg – Electrical arc furnace slag – a potential substitute for Portland cement clinker and granulated blast furnace slag? Keynote lecture
Emanuela Manolova – Utilisation of iron-silicate fines as replacement of fine aggregates in cement concrete pavements	paper	presentation
Marcel Bruin – Slag cements: Green, strong and cool!	paper	presentation
Ludovic Andre – Utilisation of activated GGBS for non-reinforced concrete applications	paper	presentation
Romain Trauchessec – Effect of cooling water chemistry on hydration of granulated blast furnace slag	paper	presentation
Konstantinos Miltiadis Sakkas – Innovative materials for passive fire protection of concrete	paper	presentation
David Ariño Montoya – Increasing the Fe2O3/Al2O3 ratio in ordinary Portland cement clinker, aiming to incorporate higher contents of bauxite residue	paper	presentation
Cécile Diliberto – Modulation of α coefficient by addition of ground blast furnace granulated slag	paper	presentation
Andreas Ehrenberg – Granulated blast furnace slag – lab-scale investigations vs. reality	paper	presentation
Tobias Hertel – Pozzolanic activity of thermally treated bauxite residue in blends with ordinary Portland cement	paper	presentation
Arno Keulen – Physical and chemical performance of treated MSWI bottom ash (fine fraction) as sand replacement in concrete	paper	presentation
Lubica Kriskova – Synthesis of a hydraulic binder from a Ca-Si based metallurgical residue through high temperature post-treatment	paper	presentation
Emanuela Manolova – Characteristics of iron-silicate fines as replacement material in cement concrete	paper	presentation
Sandro de O Almada – Analysis of technical viability of mixture of benefited steelmaking slag (electric arc furnace) and granulated blast furnace slag (charcoal) as mineral admixtures	paper
Yiannis Pontikes – Synthesis and characterisation of calcium sulfo-ferroaluminate cement clinker prepared with bauxite residue as raw material	paper
Minna Sarkkinen – Dolomite filler as supplementary cementitious material in cold-agglomerated briquetting	paper	presentation
Youva Raj Tyagi – Use of toxic waste as aggregate to produce eco-friendly concrete without reinforcement in sludgy areas for minimising waste and atmospheric CO2 using MecalitheŽ technology	paper	presentation

Session 5: Sustainable alkali activated binders and inorganic polymers

• New binder systems
• Alternative activating solutions and admixtures
• Building materials made with slag-rich binders
• Environmental footprint of new binders
• Durability aspects of new binders

Session 5: Sustainable alkali activated binders and inorganic polymers
Jannie Van Deventer – Valorisation of slag in construction: so much more than just technology Plenary lecture	paper	presentation
Peter De Vries – Geopolymer concrete in RMC – a challenge! Keynote lecture	paper	presentation
Arne Peys – On a software development that aspires to make residue valorisation easier	paper	presentation
Alexios P. Douvalis – Investigating the properties of iron in inorganic polymers with 57Fe Mössbauer spectroscopy	paper	presentation
Peter Keeley – The effect of slag composition on its performance in the production of alkali activated slag binders	paper	presentation
Marija Nedeljkovic – Carbonation resistance of alkali-activated slag under natural and accelerated conditions	paper
Alexander Wetzel – Aerated concrete based on packing-density optimised AAM
Elijah Adesanya – Effect of fine grinding on the properties of alkali activated ladle slag	paper	presentation
Lukas Arnout – Effect of the activating solution’s chemistry and volume, on the processing and properties of Fe-Si-Ca-rich inorganic polymers	paper
Glenn Beersaerts – Monitoring early-age crack formation in a Ca-Fe-Al-rich inorganic polymer	paper	presentation
Boyu Chen – Effects of Ca-rich slag addition on fayalite slag-based inorganic polymers	paper	presentation
Katrijn Gijbels – Mechanical properties of alkali-activated materials based on blast furnace slag and calcium sulphate dihydrate	paper	presentation
Vincent Hallet – The influence of activating solution on the kinetics and compressive strength of an iron-rich slag paste	paper	presentation
Antigoni Katsiki – Activation of fayalite slag towards inorganic polymers	paper	presentation
Ahmed Z. Khalifa – Alkali activation of synthetic gamma di-calcium silicate with pure calcined natural clays	paper	presentation
Zhenming Li – Autogenous shrinkage of alkali-activated slag-fly ash pastes	paper	presentation
Pavel Leonardo Lopez Gonzalez – Mechanical performance of inorganic polymer-based mortars with glass fibre reinforced polymer bars	paper	presentation
Marija Nedeljkovic – Pore structure characterisation of sodium hydroxide activated slag paste	paper	presentation
Petrica Petrica – Recycling of iron-rich inorganic polymers	paper	presentation
Arne Peys – The use of ATR-FTIR spectroscopy in the analysis of iron-silicate inorganic polymers	paper	presentation
Vishojit B. Thapa – Mechanical characterisation of alkali activated clay-based geopolymer binder made out of gravel wash mud	paper	presentation
Siva Uppalapati – Autogenous shrinkage and strength development of alkali-activated slag/fly ash mortar blends	paper	presentation
Jorn Van De Sande – Glass forming ability of slags in the FeOx – SiO2 – CaO system and properties of the inorganic polymers made thereof	paper	presentation
Niels Vandevenne – The effect of Cs and Sr on the mechanical properties of blast furnace slag inorganic polymer for radioactive waste immobilisation	paper	presentation
Emilio Zornoza – Initial approach to the alkaline activation of ground granulated SiMn slag	paper	presentation

Session 6: From aggregates to engineered microstructures

• Porous materials for sound and heat insulation
• Catalytic applications
• Ceramics
• Novel processing routes and applications, e. g. 3D printing, coatings, 3D printing, pigments, etc.
• Case studies of products in the market

Session 6: From aggregates to engineered microstructures
Vít Šmilauer – Engineering microstructures of slag-blended cements and alkali-activated foams – experiments and modelling Plenary lecture	paper
George Kiriakidis – Ceramic nanomaterials on different matrices towards a healthier indoor environment Keynote lecture	paper	presentation
Rui M. Novais – Lightweight waste-containing geopolymers for novel applications
Yao-Hung Tseng – Engineered stone made of modified BOF slag	paper	presentation
Rosa-María Ramírez-Zamora – CO2 capture at high temperature using slag – derived lithium silicates	paper	presentation
Jos Denissen – On the foaming kinetics for the synthesis of porous inorganic polymers	paper	presentation
Acacio Rincon – Novel “Inorganic Gel Casting” process for the manufacturing of glass-ceramic foams	paper	presentation
Lubica Kriskova – Effect of activating solution on the synthesis and properties of porous Fe-Si-Ca-rich inorganic polymers	paper	presentation
Yu Li – Converting steel slag into Si-Ca based building ceramics	paper	presentation

Session 7: Slags in a circular economy

• Environmental impacts of new binders
• Exergy of slag solidification/metal recovery processes
• Economic feasibility of slag-based binders and cements
• Economic incentives for slag valorization and other policy instruments
• Environmental and economic consequences of slag valorization
• Slag valorization in relation to downcycling, industrial symbiosis, …

Session 7: Slags in a circular economy
Stefanie Hellweg – MSWI slag in a circular economy: metal recovery and resource quality Plenary lecture	paper	presentation
Ernst Worrell – Meeting our material services within planetary boundaries Plenary lecture	paper	presentation
Dirk Mudersbach – Sustainable utilisation of EAF slag by successful research and optimised operational practice Keynote lecture	paper	presentation
Justin. S. J. Hargreaves – Laboartory scale extraction and further transformation of the iron component of red mud	paper	presentation
Henning Schliephake – The nowaste strategy of Georgsmarienhütte – an illusion or reality?	paper	presentation
Karin Willquist – Critical metal extraction from municipal solid waste incineration ashes and the impact on a circular economy	paper	presentation
Rafael Schouwenaars – Use of metallurgical slag for the removal of B and As from highly contaminated water resources in two Mexican regions: mechanisms and efficiency	paper
Ioanna Papayianni – Feasibility study and criteria for EAF slag utilisation in concrete products	paper
Chenna Rao Borra – A brief review on recovery of cerium from glass polishing waste	paper	presentation
Liesbeth Horckmans – Upgrading of secondary lead smelting residue to secondary iron ore	paper	presentation
Jeroen Jordens – Networks of infrastructure zerowaste cluster	paper	presentation
Fei Wang – Reaction mechanism study on carbothermal reduction of chromite	paper	presentation

Annelies Malfliet & Remus Ion Iacobescu	Closing speech Slag Valorisation Symposium

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