This page lists the publications that I have been involved as a researcher in Process Metallurgy Research Unit at the University of Oulu.
The research papers marked with * are provided here with the best knowledge that I have with the green open access rules of the Elsevier. Embargo period (24 months) of the Journal is respected and the rules of article sharing are followed. Please note that the version of the research papers marked with * are accepted manuscripts. The content of the paper is the same as in the published journal article.
Suopajärvi H, Angerman M (2011) Layered sustainability assessment framework. METEC InSteelCon. Proc. of 1st Int. Conference on Energy Efficiency and CO2 reduction in the Steel Industry, Düsseldorf, Germany
Suopajärvi H, Fabritius T (2012) Effects of biomass use in integrated steel plant – gate-to-gate life cycle inventory method. ISIJ International 52:779-787. LINK
Suopajärvi H, Fabritius T (2012) Evaluation of the possibility to utilize biomass in Finnish blast furnace ironmaking. Scanmet IV, 10-13 June 2012, Luleå, Sweden.
Suopajärvi H, Pongrácz E, Fabritius T (2013)* The potential of using biomass-based reducing agents in the blast furnace: A review of thermochemical conversion technologies and assessments related to sustainability. Renewable and Sustainable Energy Reviews 25:511-528. LINK DOI:10.1016/j.rser.2013.05.005
Suopajärvi H, Salo A, Paananen T, Mattila R, Fabritius T (2013) Recycling of Coking plant Residues in Finnish Steelworks – Laboratory Study and Replacement Ratio Calculation. Resources 2:58-72. LINK
Suopajärvi H, Haapakangas J, Fabritius T (2013) CO2 emission mitigation in ironmaking with biomass – Replacement of coal with biomass in coke production. Proc 2nd SkyPro Conference, November 12th 2013, University of Oulu, Finland. LINK
Suopajärvi H, Fabritius T (2013) Towards more Sustainable Ironmaking – Analysis of Energy Wood Availability in Finland and Economics of Charcoal Production. Sustainability 5: 1188-1207. LINK
Suopajärvi H, Pongrácz E, Fabritius T (2014)* Bioreducer use in Finnish blast furnace ironmaking – Analysis of CO2 emission reduction potential and mitigation cost. Applied Energy 124:82-93. LINK DOI: 10.1016/j.apenergy.2014.03.008
Suopajärvi H, Fabritius T (2014) Carbon footprint assessment of three biomass-based reductants. 1st International Process Integration Forum for the Steel Industry, 9-10 June 2014, Luleå, Sweden.
Suopajärvi H, Haapala A (2014) Zero-waste integrates of metallurgical industry and bioeconomy. SMARCTIC WP4: natural resource management and economics, report 66 pages. LINK
Fabritius T, Suopajärvi H, Heikkinen EP (2014) Potential usage of biomass as reductant in metallurgical processes at Nordic countries. Innovation of Ironmaking Technologies and Future International Collaboration - to Overcome Energy & Resource Restrictions in Accordance with Environments, 10-11.11. 2014, Tokyo, Japan.
Heino J et al. (2014) Carbon Footprint Reduction Potential in the Steel Industry both in regional, EU, and Global Scale based on the experiences of the Bothnian arc metallurgical industry. European Steel Environment & Energy Congress - Addressing the Challenge of Environmental Impacts, Climate Change and Resource Efficiency in Both Plant and Product. 15-17.9.2014
Bioreducer use in blast furnace ironmaking in Finland – Techno-economic assessment and CO2 emission reduction potential. Doctoral Thesis, University of Oulu, 2015. LINK
Suopajärvi H et al. System modelling to optimize low-carbon footprint fuel usage in Finnish metallurgical industry (CARBO), Bioenergy 2015, Jyväskylä, Finland, 2-4 September 2015. LINK
Suopajärvi H, Kemppainen A, Haapakangas J, Fabritius T. Bioenergy use in iron and steelmaking - opportunities and barriers, 5th International Conference on Process Development in Iron and Steelmaking, 12-15 June 2016, Luleå, Sweden.
Haapakangas J, Suopajärvi H, Mattila O, Fabritius T. The impact of H2 and H2O on coke gasification in the blast furnace shaft, 5th International Conference on Process Development in Iron and Steelmaking, 12-15 June 2016, Luleå, Sweden.
Haapakangas J, Suopajärvi H, Iljana M, Kemppainen A, Mattila O, Heikkinen EP, Samuelsson C, Fabritius T (2016) Coke Reactivity in Simulated Blast Furnace Shaft Conditions. Metallurgical and Materials Transactions B 47(4):2357-2370. LINK
Kemppainen A, Wang C, Mousa EA, Haapakangas J, Suopajärvi H, Fabritius T. Iron ore pellet reduction behavior in potential low CO2 blast furnace scenarios, 7th European coke and ironmaking congress, Linz, Austria, 12-14 September 2016.
Suopajärvi H, Kemppainen A, Haapakangas J, Fabritius T (2017) Extensive review of the possibilities to use biomass-based fuels in iron and steelmaking processes. Journal of Cleaner Production 148:709-734.
Parts et al. SIMP - System Integrated Metals Processing - FINAL REPORT 4/2017, DIMECC PUBLICATIONS SERIES NO. 17. LINK
Heikkinen EP, Visuri VV, Suopajärvi H, Kemppainen A, Aula M, Sulasalmi P, Fabritius T (2017) Selected research focus areas for energy and material improvements in reduction and refining metallurgy, 2nd ISIJ-VDEh-Jernkontoret Joint Symposium, 12-13 June, Stockholm, Sweden.
Suopajärvi H, Haapakangas J, Dahl E, Kemppainen A, Fabritius T (2017) Evaluation of bio-coke strength and reactivity for blast furnace use, 3rd European Steel Technology and Applications Days, 26-29 June, Vienna, Austria.
Kemppainen A, Mousa E, Wang C, Suopajärvi H, Iljana M, Heikkinen EP, Fabritius T (2017) Introduction of biomass lignin to blast furnace process as cement substitute in cold-bonded briquettes, 1st International Conference on Energy and Material Efficiency and CO2 Reduction in the Steel Industry, 11-13 October, Kobe, Japan.
Suopajärvi H, Dahl E, Kemppainen A, Gornostayev S, Koskela A, Fabritius T. (2017) Effect of Charcoal and Kraft-lignin Addition on Coke Compression Strength and Reactivity. Energies 10(11):1-15. LINK
Sakaranaho M, Heikkilä A, Suopajärvi H, Päätalo M,
Fabritius T (2018) Charcoal Use in Chromite Pellets - Effect on
Sintering Process, Pellet Properties, and Electrical Conductivity. Steel
Research International 89(2). LINK
Suopajärvi H, Umeki K, Mousa E, Hedayati A, Romar H, Kemppainen A, Wang C, Phounglamcheik A, Tuomikoski S, Norberg N, Andefors A, Öhman M, Lassi U, Fabritius T. (2018) Use of biomass in integrated steelmaking - Status quo, future needs and comparison to other low-CO2 steel production technologies. Applied Energy 213:384-407.
Suopajärvi H, Wang C, Mousa E, Fabritius T (2018) Life cycle CO2 emission reduction in Nordic integrated steel plant by applying biomass-based reducing agents. 26th European Biomass Conference & Exhibition (EUBCE 2018), 14-18 May, Copenhagen, Denmark.
Suopajärvi H, Roininen J, Halonen L, Mattila O (2018) New ways to enhance refractory monitoring with latest IoT technology. 7th International Congress on Science and Technology of Steelmaking (ICS 2018), 13-15 June, Venice, Italy.
Hooli P, Suopajärvi H (2018) Development and use of indicators in the algorithms to detect defects automatically on the slabs by utilizing images taken from the hot slabs on line during continuous casting. 7th International Congress on Science and Technology of Steelmaking (ICS 2018), 13-15 June, Venice, Italy.
Farrokh NT, Suopajärvi H, Mattila O, Umeki K, Phounglamcheik A, Romar H, Sulasalmi P, Fabritius T (2018) Slow pyrolysis of by-product lignin from wood-based ethanol production - A detailed analysis of the produced chars. Energy 164:112-123. THE ARTICLE CAN BE ACCESSED FREE OF CHARGE UNTIL 25 OCTOBER 2018 LINK
Farrokh NT, Suopajärvi H, Sulasalmi P, Fabritius T (2018) A thermogravimetric analysis of lignin char combustion. 10th International Conference on Applied Energy (ICAE 2018), 22-25 August, Hong Kong, China.
Wang C, Suopajärvi H, Ng KW, Nwachukwu C, Wetterlund E (2018) Research development on utilizing biomass in the blast furnace for CO2 emission reduction: Experiences from Nordic countries and Canada. 8th International Congress on Science and Technology of Ironmaking (ICSTI 2018), 25-28 September, Vienna Austria.
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