Programme

Please find below the preliminary program. It will be finalized as soon as all presenters have registered for the symposium.

Monday, 05. June 2023

18:00 Get together and city tour

Tuesday, 06. June 2023
Saalastinsali Auditorium

9:00 Welcome at the University of Oulu
Session on Process control and sensors
9:20 Electric steelmaking process monitoring with optical emission spectroscopy – An in-depth review
Arto Rautioaho, Henri Pauna, Ville-Valtteri Visuri, Marko Huttula, Timo Fabritius, University of Oulu
9:40 An In-Situ Analysis Method in EAF and BOF Steelmaking
Bernhard Mitas, Henri Pauna, Joachim Feldbacher, Johannes Schenk, K1-MET GMBH
10:00 Soft sensor approach for continuous estimation of EAF bath temperature
Aljaž Blažič, Igor Škrjanc, Vito Logar, University of Ljubljana
10:20 Determination of the Hot Heel in an Electric Arc Furnace Using Computer Vision
Amit Sharma, Thomas Echterhof, Herbert Pfeifer, RWTH Aachen University
10:40 A Decision Support System for Optimizing Electric Arc Furnace Operations using Mechanistic and Data-driven Models
Simon Tomažič, Vito Logar, Igor Škrjanc, University of Ljubljana
11:00 Coffee break
Session on Process modelling and simulation I
11:20 Simulations of 3D Hydrogen Electric Arc and Effect of External Magnetic Field on Arc Flow Dynamics
Mohamad Al-Nasser, Abdellah Kharicha, Hadi Barati, Menghuai Wu, Andreas Ludwig, Christian Redl, Bertram Ofner, Anton Ishmurzin, Nikolaus Voller, Gernot Hackl, University of Leoben
11:40 Modelling 3D Electro vortex Flow inside liquid metal and Effect of External Magnetic Fields on Flow Pattern
Mohamad Al-Nasser, Abdellah Kharicha, Hadi Barati, Menghuai Wu, Andreas Ludwig, Christian Redl, Bertram Ofner, Anton Ishmurzin, Nikolaus Voller, Gernot Hackl, University of Leoben
12:00 Fluid flow simulation of an EAF with bottom gas injection and coherent jets
Fornah Samuel, Zhu Rong, Wei Guangsheng, Junfeng Yang, Conejo Alberto, University of Science and Technology Beijing
12:20 A Review of Thermodynamic and Kinetic Models for the the behavior of Nitrogen in an Electric Arc Furnace
Siddharth Nachankar, Thomas Echterhof, Herbert Pfeifer, RWTH Aachen University
12:40 EAF process simulation on using hydrochar as a carburization agent
Chuan Wang and Mikael Lindvall, Swerim AB
13:00 Lunch
Session on Process modelling and simulation II
14:00 Recent advances in modelling, monitoring and circular economy towards sustainable EAF steelmaking
Ville-Valtteri Visuri, Henri Pauna, Ilpo Mäkelä, Eetu Hoikkaniemi, Petri Sulasalmi, Aki Koskela, Ahmed Abdelrahim, Timo Fabritius, University of Oulu
14:20 Coupled dynamic modelling of scrap melting and gas phase reactions in the EAF process
Ilpo Mäkelä, Ville-Valtteri Visuri, Matti Aula, Thomas Echterhof, University of Oulu
14:40 Application of an Electric Arc Furnace Model for real-time Monitoring and Optimization
Alexander Reinicke, Lilly Schüttensack, Thomas Echterhof, Herbert Pfeifer, RWTH Aachen University
15:00 Theoretical electric arc furnace model for online estimation of the unmeasured process variables
Vito Logar, Igor Škrjanc, University of Ljubljana
15:20 Simulation and analysis of the EAF-based steel production process using dynamic models
Dimitra Papamantellou, Saikat Chatterjee, Sourav Panda, Tata Steel
15:40 Coffee break
16:00 Laboratory tour
18:00 Dinner

Wednesday, 07. June 2023
Saalastinsali Auditorium

9:00 Opening of Day 2
Session on Slag and by-products engineering, processing and valorisation
9:10 Evaluating suitability of bricks to be charged to electric arc furnace
Matti Aula, Ahmed Abdelrahim, Timo Fabritius, University of Oulu
9:30 Laboratory Scale Evaluation of the Slag Foaming Behavior
Andreas Pfeiffer, Kathrin Thiele, Gerald Wimmer, Johannes Schenk, Primetals Technologies Austria / Montanuniversität Leoben
9:50 Forecasting slag compositions for the optimal valorisation of electric steelworks slags
Alice Petrucciani, Antonella Zaccara, Ismael Matino, Marco Vannucci, Valentina Colla, Scuola Superiore Sant’Anna
10:10 Manipulation of the leaching behavior of high-alloyed steel EAF slags through the particle size modulation
Davide Mombelli, Gianluca Dall’Osto, Salvatore Cozzo, Carlo Mapelli, Politecnico di Milano
10:30 TBA
10:50 Coffee break
Session on CO2 emission reduction and environmental impact
11:20 Pathways for the environmental impact mitigation of the scrap recycling route in Italy
Gianluca Dall’Osto, Giacomo Villa, Davide Mombelli, Silvia Barella, Andrea Gruttadauria, Carlo Mapelli, Politecnico di Milano
11:40 Low impact Electric Arc Furnace: how to combine de-carbonization, energy saving and limited environmental emissions in modern electric steelmaking
Andrea Lanari, Massimiliano Daita, SMS group SpA
12:00 Biochar as a slag foaming agent in EAF – A novel experimental setup
Eetu Hoikkaniemi, Petri Sulasalmi, Ville-Valtteri Visuri, Timo Fabritius, University of Oulu
12:20 Lunch
13:00 Application of hydrogen operated burners in the electric arc furnace
Lilly Schüttensack, Thomas Echterhof, Herbert Pfeifer, RWTH Aachen University
13:20 Hydrogen-Ready CoJet Technologies For EAF Steelmaking
Pascal Kwaschny, Joachim von Scheele, David Muren, Linde AG
13:40 Feasibility of direct carbon fuel cells as a synergistic energy source in the scrap recycling route
Gianluca Dall’Osto, Davide Mombelli, Andrea Pittalis, Carlo Mapelli, Politecnico di Milano
14:00 Cofffee break
Session on Fossil-free raw materials in the EAF
14:20 Transition to fossil-free steel production – A scenario study on scrap/H2DRI-based EAF steelmaking
Petri Sulasalmi, Eetu-Pekka Heikkinen, Manuel Mehtälä, Ville-Valtteri Visuri, Timo Fabritius, University of Oulu
14:40 Investigations in Hydrogen Ironmaking
Joe Govro, Missouri University of Science and Technology
15:00 The advanced exergy analysis of Green Hydrogen production system and its application in Green Steel production: A case study for Butia Iranian Steel Co.
Hossein Khajehpour, Delaram Bayat, Sharif University of Technology
15:20 Fundamentals of the hydrogen plasma reduction of iron ores
Isnaldi R. Souza Filho, Dierk Raabe, Hauke Springer, Max-Planck-Institut für Eisenforschung GmbH
15:40 Development of a New Laboratory-scale Reduction Facility For the H2 Plasma Smelting Reduction of Iron Ores Based on a Multi-electrode Arc Furnace Concept
Felix Hoffelner, Johannes Schenk, Michael Zarl, Montanuniversitaet Leoben
16:00 End of the Symposium