From post-combustion carbon capture to sorption-enhanced hydrogen production: A state-of-the-art review of carbonate looping process feasibility

•Carbonate looping can reduce economic and efficiency penalties of carbon capture.•The most often reported efficiency penalty was 6–8% points.•Greenfield power generation systems can achieve net efficiencies of 40–60%.•Avoided cost of 10–50 € per tonne of carbon dioxide is superior to other technolo...

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Bibliographic Details
Published in:Energy conversion and management 2018-12, Vol.177, p.428-452
Main Authors: Hanak, Dawid P., Michalski, Sebastian, Manovic, Vasilije
Format: Article
Language:English
Subjects:
Calcium
Calcium looping
Carbon dioxide
Carbon sequestration
Clean energy
Clean technologies
Clean technology
Coal-fired power plants
Economics
Efficiency improvement
Electric power generation
Electricity pricing
Emissions control
Energy efficiency
Feasibility studies
Fossil fuels
Fuel cells
Fuel technology
Hydrogen
Hydrogen production
Hydrogen storage
Power efficiency
Power plants
Retrofitting
Sorbents
Sorption
State-of-the-art reviews
Techno-economic assessment
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Summary:•Carbonate looping can reduce economic and efficiency penalties of carbon capture.•The most often reported efficiency penalty was 6–8% points.•Greenfield power generation systems can achieve net efficiencies of 40–60%.•Avoided cost of 10–50 € per tonne of carbon dioxide is superior to other technologies.•Performance of novel concepts must be substantiated with economic assessment. Carbon capture and storage is expected to play a pivotal role in achieving the emission reduction targets established by the Paris Agreement. However, the most mature technologies have been shown to reduce the net efficiency of fossil fuel-fired power plants by at least 7% points, increasing the electricity cost. Carbonate looping is a technology that may reduce these efficiency and economic penalties. Its maturity has increased significantly over the past twenty years, mostly due to development of novel process configurations and sorbents for improved process performance. This review provides a comprehensive overview of the calcium looping concepts and statistically evaluates their techno-economic feasibility. It has been shown that the most commonly reported figures for the efficiency penalty associated with calcium looping retrofits were between 6 and 8% points. Furthermore, the calcium-looping-based coal-fired power plants and sorption-enhanced hydrogen production systems integrated with combined cycles and/or fuel cells have been shown to achieve net efficiencies as high as 40% and 50–60%, respectively. Importantly, the performance of both retrofit and greenfield scenarios can be further improved by increasing the degree of heat integration, as well as using advanced power cycles and enhanced sorbents. The assessment of the economic feasibility of calcium looping concepts has indicated that the cost of carbon dioxide avoided will be between 10 and 30 € per tonne of carbon dioxide and 10–50 € per tonne of carbon dioxide in the retrofit and greenfield scenarios, respectively. However, limited economic data have been presented in the current literature for the thermodynamic performance of calcium looping concepts.
ISSN:0196-8904
1879-2227
DOI:10.1016/j.enconman.2018.09.058