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Publisher DOI: 10.3390/pr8091188
Title: Potential Dynamics of CO2 Stream Composition and Mass Flow Rates in CCS Clusters
Language: English
Authors: Kahlke, Sven-Lasse 
Pumpa, Martin 
Schütz, Stefan 
Kather, Alfons 
Rütters, Heike 
Keywords: CCS; CO2 quality; energy mix; impurities; pipeline transport
Issue Date: 18-Sep-2020
Publisher: MDPI
Source: Processes 8 (9) : 1188 (2020)
Abstract (english): 
Temporal variations in CO₂ stream composition and mass flow rates may occur in a CO₂ transport network, as well as further downstream when CO₂ streams of different compositions and temporally variable mass flow rates are fed in. To assess the potential impacts of such variations on CO₂ transport, injection, and storage, their characteristics must be known. We investigated variation characteristics in a scenario of a regional CO₂ emitter cluster of seven fossil-fired power plants and four industrial plants that feed captured CO₂ streams into a pipeline network. Variations of CO₂ 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 CO₂ 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 CO₂ stream composition followed the power plants’ operational load patterns resulting e.g., in stronger composition variations in case of higher renewable energy production.
DOI: 10.15480/882.2936
ISSN: 2227-9717
Journal: Processes 
Other Identifiers: doi: 10.3390/pr8091188
Institute: Energietechnik M-5 
Document Type: Article
Project: Verbund CLUSTER - TUHH - Auswirkungen von Begleitstoffen in den abgeschiedenen CO2-Strömen eines regionalen Clusters verschiedener Emittenten auf Transport, Injektion und Speicherung 
License: CC BY 4.0 (Attribution) CC BY 4.0 (Attribution)
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