Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/162375
Title: Synthetic solid oxide sorbents for CO₂ capture: state-of-the art and future perspectives
Authors: Chang, Ribooga
Wu, Xianyue
Cheung, Ocean
Liu, Wen
Keywords: Engineering::Materials
Engineering::Chemical engineering
Issue Date: 2022
Source: Chang, R., Wu, X., Cheung, O. & Liu, W. (2022). Synthetic solid oxide sorbents for CO₂ capture: state-of-the art and future perspectives. Journal of Materials Chemistry A, 10(4), 1682-1705. https://dx.doi.org/10.1039/d1ta07697c
Journal: Journal of Materials Chemistry A
Abstract: Carbon capture is an important and effective approach to control the emission of CO2 from point sources such as fossil fuel power plants, industrial furnaces and cement plants into the atmosphere. For an efficient CO2 capture operation, many aspects of the CO2 capture steps need to be carefully considered. Currently the most mature CO2 capture technology is liquid amine scrubbing. Alternatively, solid sorbents can be used to effectively capture CO2 while alleviating the disadvantages associated with liquid amine sorbents. In this review, we critically assess solid metal oxide CO2 sorbents, especially oxides of group 1 (Li, Na and K) and group 2 (Mg, Ca, Sr and Ba) metals, for capturing CO2 at moderate to high temperatures. In particular, we focus on the recent advances in developing synthetic metal oxide sorbents, and the correlation between the design, synthetic approaches and their cyclic CO2 capture performance, which are characterised by CO2 uptake capacity, rate of carbonation and cyclic stability. The state-of-the-art, challenges, opportunities and future research directions for these metal oxide sorbents are discussed. By devoting more research effort to address the issues identified, there can be great potential to utilise Group 1 and 2 metal oxides as cost-effective, highly efficient sorbents for CO2 capture in a variety of carbon capture applications.
URI: https://hdl.handle.net/10356/162375
ISSN: 2050-7488
DOI: 10.1039/d1ta07697c
Rights: © 2022 The Royal Society of Chemistry. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles
SCBE Journal Articles

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