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Nwachukwu, Chinedu MORCID iD iconorcid.org/0000-0001-5496-5535
Publications (2 of 2) Show all publications
Nwachukwu, C. M., Toffolo, A. & Wetterlund, E. (2020). Biomass-based gas use in Swedish iron and steel industry: Supply chain and process integration considerations. Renewable energy, 146, 2797-2811
Open this publication in new window or tab >>Biomass-based gas use in Swedish iron and steel industry: Supply chain and process integration considerations
2020 (English)In: Renewable energy, ISSN 0960-1481, E-ISSN 1879-0682, Vol. 146, p. 2797-2811Article in journal (Refereed) Published
Abstract [en]

Substitution of fossil gaseous fuels with biomass-based gases is of interest to the iron and steel industry due to its role in the mitigation of anthropogenic CO2emissions. In switching from fossil fuels to biomass-based gases, a systems analysis of the full value chain from biomass supply to the production and supply of final gas products becomes crucial. This study uses process and heat integration methods in combination with a supply chain evaluation to analyse full value chains of biomass-based gases for fossil gas replacement within the iron and steel industry. The study is carried out as a specific case study in order to understand the implications of utilizing bio-syngas/bio-SNG as heating fuels in iron- and steel-making, and to provide insights into the most sensitive parameters involved in fuel switching. The results show a significant cost difference in the fuel production of the two gas products owing to higher capital and biomass use in the bio-SNG value chain option. When tested for sensitivity, biomass price, transportation distance, and capital costs show the most impact on fuel production costs across all options studied. Trade-offs associated with process integration, plant localisation, feedstock availability and supply were found to varying extents.

Place, publisher, year, edition, pages
Elsevier, 2020
Keywords
biomass supply, integrated production, bio-SNG, bio-syngas, iron and steel industry, system analysis
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
urn:nbn:se:ltu:diva-75727 (URN)10.1016/j.renene.2019.08.100 (DOI)2-s2.0-85071493628 (Scopus ID)
Note

Validerad;2019;Nivå 2;2019-09-03 (johcin)

Available from: 2019-08-28 Created: 2019-08-28 Last updated: 2019-09-20Bibliographically approved
Nwachukwu, C. M., Toffolo, A., Grip, C.-E., Wang, C. & Wetterlund, E. (2018). Systems analysis of sawmill by-products gasification towards a bio-based steel production. In: José Carlos Teixeira, Ana Cristina Ferreira, Ângela Silva, Senhorinha Teixeira (Ed.), ECOS 2018: Proceedings of the 31st International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems. Paper presented at 31st International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 2018), Guimarães, Portugal, 17-22 June 2018. Universidade do Minho. Departamento de Engenharia Mecânica Campus Azurém, Guimarães Portugal
Open this publication in new window or tab >>Systems analysis of sawmill by-products gasification towards a bio-based steel production
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2018 (English)In: ECOS 2018: Proceedings of the 31st International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems / [ed] José Carlos Teixeira, Ana Cristina Ferreira, Ângela Silva, Senhorinha Teixeira, Universidade do Minho. Departamento de Engenharia Mecânica Campus Azurém, Guimarães Portugal , 2018Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
Universidade do Minho. Departamento de Engenharia Mecânica Campus Azurém, Guimarães Portugal, 2018
National Category
Energy Systems Energy Engineering
Research subject
Energy Engineering
Identifiers
urn:nbn:se:ltu:diva-69979 (URN)978-972-99596-4-6 (ISBN)
Conference
31st International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 2018), Guimarães, Portugal, 17-22 June 2018
Available from: 2018-06-28 Created: 2018-06-28 Last updated: 2018-10-30Bibliographically approved
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ORCID iD: ORCID iD iconorcid.org/0000-0001-5496-5535

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