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Potential Dynamics of CO2 Stream Composition and Mass Flow Rates in CCS Clusters
Citation Link: https://doi.org/10.15480/882.2936
Publikationstyp
Journal Article
Date Issued
2020-09-18
Sprache
English
Institut
TORE-DOI
TORE-URI
Journal
Volume
8
Issue
9
Article Number
1187
Citation
Processes 8 (9) : 1188 (2020)
Publisher DOI
Scopus ID
Publisher
MDPI
Temporal variations in CO<sub>2</sub> stream composition and mass flow rates may occur in a CO<sub>2</sub> transport network, as well as further downstream when CO<sub>2</sub> streams of different compositions and temporally variable mass flow rates are fed in. To assess the potential impacts of such variations on CO<sub>2</sub> transport, injection, and storage, their characteristics must be known. We investigated variation characteristics in a scenario of a regional CO<sub>2</sub> emitter cluster of seven fossil-fired power plants and four industrial plants that feed captured CO<sub>2</sub> streams into a pipeline network. Variations of CO<sub>2</sub> stream composition and mass flow rates in the pipelines were simulated using a network analysis tool. In addition, the potential effects of changes in the energy mix on resulting mass flow rates and CO<sub>2</sub> stream compositions were investigated for two energy mix scenarios that consider higher shares of renewable energy sources or a replacement of lignite by hard coal and natural gas. While resulting maximum mass flow rates in the trunk line were similar in all considered scenarios, minimum flow rates and pipeline capacity utilisation differed substantially between them. Variations in CO<sub>2</sub> stream composition followed the power plants’ operational load patterns resulting e.g., in stronger composition variations in case of higher renewable energy production.
Subjects
CCS
CO2 quality
energy mix
impurities
pipeline transport
DDC Class
600: Technik
620: Ingenieurwissenschaften
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