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Handling of multi-functionality in life cycle assessments for steel mill gas based chemical production

: Thonemann, Nils; Maga, Daniel; Petermann, Cornelia

Fulltext (PDF; )

Chemie- Ingenieur- Technik 90 (2018), No.10, pp.1576-1586
ISSN: 0009-286X
ISSN: 1522-2640
Bundesministerium für Bildung und Forschung BMBF
03EK3037D; Carbon2Chem
Journal Article, Electronic Publication
Fraunhofer UMSICHT Oberhausen ()
life cycle assessment; methanol synthesis; multi-functionality; steel mill gas

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.