An overview of CO2 capture technologies

In this paper, three of the leading options for large scale CO 2 capture are reviewed from a technical perspective. We consider solvent-based chemisorption techniques, carbonate looping technology, and the so-called oxyfuel process. For each technology option, we give an overview of the technology,...

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Bibliographic Details
Published in:Energy & environmental science 2010-01, Vol.3 (11), p.1645-1669
Main Authors: MacDowell, Niall, Florin, Nick, Buchard, Antoine, Hallett, Jason, Galindo, Amparo, Jackson, George, Adjiman, Claire S, Williams, Charlotte K, Shah, Nilay, Fennell, Paul
Format: Article
Language:English
Subjects:
Alternative fuels
Blocking
Carbon
Carbon dioxide
Chemisorption
Polymers
Solvents
Systems design
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Summary:In this paper, three of the leading options for large scale CO 2 capture are reviewed from a technical perspective. We consider solvent-based chemisorption techniques, carbonate looping technology, and the so-called oxyfuel process. For each technology option, we give an overview of the technology, listing advantages and disadvantages. Subsequently, a discussion of the level of technological maturity is presented, and we conclude by identifying current gaps in knowledge and suggest areas with significant scope for future work. We then discuss the suitability of using ionic liquids as novel, environmentally benign solvents with which to capture CO 2 . In addition, we consider alternatives to simply sequestering CO 2 -we present a discussion on the possibility of recycling captured CO 2 and exploiting it as a C 1 building block for the sustainable manufacture of polymers, fine chemicals, and liquid fuels. Finally, we present a discussion of relevant systems engineering methodologies in carbon capture system design. The future of CO 2 capture - amines or calcium? Is there a viable alternative to land-filling carbon? These issues and more are discussed in this technical review of the CO 2 capture technology space.
ISSN:1754-5692
1754-5706
DOI:10.1039/c004106h