LAPSE:2018.0807
Conference Presentation
LAPSE:2018.0807
Meta-study of carbon dioxide capture technologies: Finding the signal in the noise.
Thomas Alan Adams II*, Leila Hoseinzade, Pranav Bhaswanth Madabhushi, Ikenna J. Okeke
October 31, 2018. Originally submitted on October 26, 2018
We conducted a meta-study of CO2 capture processes, examining nearly 100 techno-economic analyses published in the recent open literature. Normally, it is difficult to compare one study to another because each study uses its own set of assumptions, such as plant scale, geography, market parameters, and inconsistent definitions of key metrics such as the cost of CO2 avoided (CCA). In this work, we present normalized versions of these studies using a consistent basis of comparison, such as net power delivered, base year of operation, pipeline CO2 pressure, currency, country of construction, and so on. In so doing, we are able to draw meaningful conclusions and direct comparisons between different classes of CO2 capture technology. The technologies considered include coal and gas-based processes using capture strategies including solvent-based post-combustion carbon capture, gasification-based strategies, membrane-based approaches, oxyfuel combustion, chemical looping combustion, calcium looping, and solid oxide fuel cell (SOFC) processes. We then compute key metrics for each of these studies such as the cost of CO2 avoided on a consistent basis across all studies in the literature, which allow us to identify the technologies which are the most promising for CO2 emissions avoidance on the macro-level. Some key conclusions include that SOFC technology is clearly the most promising in terms of both CCA and actual emissions avoided, with chemical looping combustion and oxyfuels as promising alternatives that are more commercially mature. Membrane-based technologies as a class in general show very little promise for coal, and even the most optimistic systems using hypothetical membranes are unable to compete against even the poorest performing SOFC, oxyfuel, and chemical looping processes presented in the literature. In addition, the study found that for North American markets, the conditions are such that natural gas is so cheap such that there is little incentive to use coal at all, except with SOFC systems. Solvent-based technologies for natural gas combined cycle systems, although not necessarily as efficient as more advanced systems like oxyfuels, are quite natural choices for near-term CO2 mitigation purely based on cost.
Keywords
Carbon Capture, Carbon Dioxide Sequestration, Chemical Looping Combustion, CO2 membrane, IGCC, Oxyfuels, Post-combustion capture, Pre-combustion capture, Solid Oxide Fuel Cells
Suggested Citation
Adams TA II, Hoseinzade L, Madabhushi PB, Okeke IJ. Meta-study of carbon dioxide capture technologies: Finding the signal in the noise.. (2018). LAPSE:2018.0807
Author Affiliations
Adams TA II*: McMaster University [ORCID] [Google Scholar]
Hoseinzade L: McMaster University
Madabhushi PB: McMaster University
Okeke IJ: McMaster University
* Corresponding Author
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Conference Title
XXIX Interamerican Congress of Chemical Engineering Incorporating the 68th Canadian Chemical Engineering Conference
Conference Place
Toronto, Canada
Year
2018
Publication Date
2018-10-31
Version Comments
Revised Version - Actual Shown During Conference
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Oct 31, 2018
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[v2] (Revised Version - Actual Shown During Co...)
Oct 31, 2018
[v1] (Original Submission)
Oct 26, 2018
 
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Original Submitter
Thomas A. Adams II
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Finding the Signal in the Noise: Determining North America’s best path forward for sustainable energy