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High temperature Co-electrolysis as a key technology for CO2 emission mitigation - A model-based assessment of CDA and CCU

: Herz, Gregor; Müller, Nils; Adam, Paul; Megel, Stefan; Reichelt, Erik; Jahn, Matthias

Fulltext ()

Chemie- Ingenieur- Technik 92 (2020), No.8, pp.1044-1058
ISSN: 0009-286X
ISSN: 1522-2640
Deutsche Bundesstiftung Umwelt DBU
Electricity as a Raw Material; 03EK3044A
Deutsche Bundesstiftung Umwelt DBU
Electricity as a Raw Material; 03ZZ0741A
Journal Article, Electronic Publication
Fraunhofer IKTS ()
Electrolysis; SOEC; CCU; CDA; CO2 emission mitigation; process modeling

The mitigation of CO2 emissions is a major challenge for modern society. While the mitigation of energy‐related emissions can be achieved comparatively easy by switching to renewable energy sources, reduction of process‐related industrial emissions is considerably more challenging. To reduce industrial CO2 emissions, two basic routes are available: carbon direct avoidance (CDA) and carbon capture and utilization (CCU). It is shown that in terms of efficiency, CDA is to be favored when applicable. However, for applications where emissions cannot be avoided, CCU can be a viable approach allowing for emission mitigation.