4.2 Article

Handling of Multi-Functionality in Life Cycle Assessments for Steel Mill Gas Based Chemical Production

Journal

CHEMIE INGENIEUR TECHNIK
Volume 90, Issue 10, Pages 1576-1586

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/cite.201800025

Keywords

Carbon2Chem (R); Life cycle assessment; Methanol synthesis; Multi-functionality; Steel mill gases

Funding

  1. German Federal Ministry of Education and Research (BMBF) [03EK3037D]

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Life cycle assessment is needed for quantifying potential greenhouse gas savings through material utilization of steel mill gases. However, methodological guidance for this purpose is lacking. Therefore, the article presents different approaches to handle multi-functionality. The investigation of steel mill gas based-methanol shows varying impacts on climate change due to handling multi-functionality differently. System expansion is recommended for assessing cross-sectoral cooperation and substitution as well as economic allocation for product-specific analyses.

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