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Carbon capture and coal consumption: Implications of energy penalties and large scale deployment
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Natural Resources and Sustainable Development. (Global Energy Systems)
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Natural Resources and Sustainable Development. (Global Energy Systems)
China University of Petroleum - Beijing.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Natural Resources and Sustainable Development. (Global Energy Systems)ORCID iD: 0000-0002-6379-7104
2015 (English)In: Energy Strategy Reviews, ISSN 2211-467X, E-ISSN 2211-4688, Vol. 7, no 4, 18-28 p.Article in journal (Refereed) Published
Abstract [en]

Carbon capture and storage (CCS) can limit carbon emissions from coal power stations, but unfortunately decreases the net efficiency of such power plants. This study examines the link between capture technology and coal consumption for large scale CCS deployment. Estimates of the efficiency reduction (i.e., the energy penalty, EP) are assembled for three main technologies. Pre-combustion CCS is most efficient (EP = 18.9 ± 3.9%), oxy-fuel combustion CCS is intermediate (EP = 21.4 ± 5.3%), and post-combustion CCS is least efficient (EP = 24.8 ± 7.5%). Published CCS scenarios are compiled and their associated coal uses are calculated using the obtained EPs under different technology pathways. Coal consumption using CCS can be up to 31% higher compared to equal non-CCS cases, leading to several scenarios exceeding projected coal production in resource constrained studies.

Place, publisher, year, edition, pages
2015. Vol. 7, no 4, 18-28 p.
Keyword [en]
Carbon capture and storage, CCS, Energy penalty, Coal consumption, Coal resources
National Category
Geosciences, Multidisciplinary Energy Systems Environmental Sciences
Research subject
Engineering Science with specialization in the Science of Global Energy Resources
Identifiers
URN: urn:nbn:se:uu:diva-252918DOI: 10.1016/j.esr.2014.12.001ISI: 000371605800003OAI: oai:DiVA.org:uu-252918DiVA: diva2:812133
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StandUp
Available from: 2015-05-15 Created: 2015-05-15 Last updated: 2017-12-04Bibliographically approved

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Wachtmeister, HenrikHöök, Mikael

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