Programme 2023

Here you can find the programme of the 5th European Academic Symposium on EAF Steelmaking on 05-07 June 2023.

Monday, 05. June 2023

18:00 Get together and city tour
Meeting at Toripolliisi Statue with Henri Pauna

Tuesday, 06. June 2023
Saalastinsali Auditorium

8:00 Registration open
9:00 Welcome to EASES 2023
Ville-Valtteri Visuri
Session on Process control and sensors
Session chairs: Matti Aula and Henri Pauna
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
Session chairs: Alberto Conejo and Chuan Wang
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 Lunch
13:20 Hydrogen-Ready CoJet Technologies For EAF Steelmaking
Pascal Kwaschny, Joachim von Scheele, David Muren, Linde AG
13:40 A Review of Thermodynamic and Kinetic Models for the behavior of Nitrogen in an Electric Arc Furnace
Siddharth Nachankar, Thomas Echterhof, Herbert Pfeifer, RWTH Aachen University
Session on Process modelling and simulation II
Session chairs: Vito Logar and Petri Sulasalmi
14:00 On the differences of modelling scrap- and DRI-based EAF processes
Ville-Valtteri Visuri, Ilpo Mäkelä, University of Oulu
14:20 EAF process simulation on using hydrochar as a carburization agent
Chuan Wang and Mikael Lindvall, Swerim AB
14:40 Coffee break
15:00 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
15:20 Theoretical electric arc furnace model for online estimation of the unmeasured process variables
Vito Logar, Igor Škrjanc, University of Ljubljana
15:40 Simulation and analysis of the EAF-based steel production process using dynamic models
Dimitra Papamantellou, Saikat Chatterjee, Sourav Panda, Tata Steel
16:00 Laboratory tour
16:45 Bus transfer to the City Centre
18:00 Dinner at Ravintola Rauhala

Wednesday, 07. June 2023
Saalastinsali Auditorium

9:00 Opening of Day 2
Thomas Echterhof
Session on Slag and by-products engineering, processing and valorisation
Session chairs: Rita Kallio and Davide Mombelli
9:10 Software tool to estimate the influence of Cu content of scrap in the scrap mix TCO
Asier Vicente Rojo, Edurne Nuñez, ArcelorMittal Global Research & Development
9:30 Evaluating suitability of bricks to be charged to electric arc furnace
Ahmed Abdelrahim, Matti Aula, Timo Fabritius, University of Oulu
9:50 Laboratory Scale Evaluation of the Slag Foaming Behavior
Andreas Pfeiffer, Kathrin Thiele, Gerald Wimmer, Johannes Schenk, Primetals Technologies Austria / Montanuniversität Leoben
10:10 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
10:30 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
10:50 Coffee break
Session on CO2 emission reduction and environmental impact
Session chairs: Thomas Echterhof and Simon Tomažič
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 Decreasing the environmental impact of the electric steel making process through implementation of retrofitting solutions
Felix Kaiser, Tim Reichel, Thomas Echterhof, Diana Mier, Iñigo Unamuno, Herbert Pfeifer, RWTH Aachen University
12:00 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
12:20 Lunch
13:00 Biochar as a slag foaming agent in EAF – A novel experimental setup
Eetu Hoikkaniemi, Petri Sulasalmi, Ville-Valtteri Visuri, Timo Fabritius, SSAB Europe Oy / University of Oulu
13:20 Application of hydrogen operated burners in the electric arc furnace
Lilly Schüttensack, Thomas Echterhof, Herbert Pfeifer, RWTH Aachen University
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
Session chairs: Isnaldi R. Souza Filho and Petri Sulasalmi
14:20 Investigations in Hydrogen Ironmaking
Joe Govro, Missouri University of Science and Technology
14:40 Fundamentals of the hydrogen plasma reduction of iron ores
Isnaldi R. Souza Filho, Dierk Raabe, Hauke Springer, Max-Planck-Institut für Eisenforschung GmbH
15:00 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
15:20 End of the Symposium

The programme can also be downloaded as a pdf here: Programme EASES 2023.

The abstracts of the presentations are also available as a combined pdf – EASES 2023 abstract booklet – for download.