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The reversibility of the reaction CaCO3 ⇄ CaO+CO2
Abstract
The reversibility of the reaction CaCO 3 ⇌ CaO+CO 2 has been examined through a large number of cycles (up to 40), mainly at 866 °C. The decomposition to the oxide is always 100% but the reactivity of the oxide so formed to carbon dioxide falls off markedly after a rapid initial reaction. There is a large increase in surface area on going from the non‐porous calcium carbonate to the oxide and this is due to the formation of pores, mostly very small (< 4 nm). The fast component of the back reaction is a surface reaction and the subsequent slow reaction is controlled by the slow diffusion of carbon dioxide through the newly formed carbonate layer. The reversibility of the reaction decreases with the number of cycles, rapidly at first and then more slowly: the first effect is probably due to loss of pore volume in the oxide and the second to sintering of the carbonate.
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Citations
Cites
Adsorption of Gases in Multimolecular Layers
Brunauer, S., Emmett, P. H., & Teller, E. (1938) · Journal of the American Chemical Society · doi:10.1021/ja01269a023 · Cited by 28,156
Cited by
Abanades, J. C., Arias, B., Lyngfelt, A., Mattisson, T., Wiley, D. E., Li, H., Ho, M. T., Mangano, E., & Brandani, S. (2015) · International Journal of Greenhouse Gas Control · doi:10.1016/j.ijggc.2015.04.018 · Cited by 441
Dean, C. C., Blamey, J., Florin, N. H., Al-Jeboori, M. J., & Fennell, P. S. (2011) · Chemical Engineering Research and Design · doi:10.1016/j.cherd.2010.10.013 · Cited by 375
Calcium looping sorbents for CO2 capture
Erans, M., Manovic, V., & Anthony, E. J. (2016) · Applied Energy · doi:10.1016/j.apenergy.2016.07.074 · Cited by 369
Performance Enhancement of Calcium Oxide Sorbents for Cyclic CO2 Capture—A Review
Liu, W., An, H., Qin, C., Yin, J., Wang, G., Feng, B., & Xu, M. (2012) · Energy & Fuels · doi:10.1021/ef300220x · Cited by 320
A Critical Review of CO2 Capture Technologies and Prospects for Clean Power Generation
Sifat, N. S., & Haseli, Y. (2019) · Energies · doi:10.3390/en12214143 · Cited by 226
Metadata
- Authors
- Barker, R.
- Venue
- Journal of Applied Chemistry and Biotechnology
- Publisher
- Wiley
- Published
- 1973-10
- Volume
- 23
- Issue
- 10
- Pages
- 733-742
- ISSN
- 0375-9210 (ISSN-L)
- 1935-0554
- OpenAlex
- W2003761146
- Cited by
- 508
- References
- 1
- FWCI
- 0.60
- Type
- journal article
- Language
- en
- Open access
- closed
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- Barker, R. (1973). The reversibility of the reaction CaCO3 ⇄ CaO+CO2. Journal of Applied Chemistry and Biotechnology. https://doi.org/10.1002/jctb.5020231005
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
