Possibilities for CO 2 emission reduction using biomass in European integrated steel plants

Mandova, H., Leduc, S., Wang, C., Wetterlund, E., Patrizio, P., Gale, W., & Kraxner, F. (2018). Possibilities for CO 2 emission reduction using biomass in European integrated steel plants. Biomass and Bioenergy 115 231-243. 10.1016/j.biombioe.2018.04.021.

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Iron and steel plants producing steel via the blast furnace-basic oxygen furnace (BF-BOF) route constitute among the largest single point CO2 emitters within the European Union (EU). As the iron ore reduction process in the blast furnace is fully dependent on carbon mainly supplied by coal and coke, bioenergy is the only renewable that presents a possibility for their partial substitution. Using the BeWhere model, this work optimised the mobilization and use of biomass resources within the EU in order to identify the opportunities that bioenergy can bring to the 30 operating BF-BOF plants.

The results demonstrate competition for the available biomass resources within existing industries and economically unappealing prices of the bio-based fuels. A carbon dioxide price of 60 € t−1 is required to substitute 20% of the CO2 emissions from the fossil fuels use, while a price of 140 € t−1 is needed to reach the maximum potential of 42%. The possibility to use organic wastes to produce hydrochar would not enhance the maximum emission reduction potential, but it would broaden the available feedstock during the low levels of substitution.

The scope for bioenergy integration is different for each plant and so consideration of its deployment should be treated individually. Therefore, the EU-ETS (Emission Trading System) may not be the best policy tool for bioenergy as an emission reduction strategy for the iron and steel industry, as it does not differentiate between the opportunities across the different steel plants and creates additional costs for the already struggling European steel industry.

Item Type: Article
Research Programs: Ecosystems Services and Management (ESM)
Young Scientists Summer Program (YSSP)
Depositing User: Romeo Molina
Date Deposited: 23 May 2018 08:08
Last Modified: 27 Aug 2021 17:30
URI: https://pure.iiasa.ac.at/15277

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