This Feature Article by Jose Manuel Valverde from the University of Seville, reviews Ca-based adsorbents for post-combustion carbon capture in Ca-looping processes. This process involves the carbonation reaction of CaO to capture CO2, followed by calcination of limestone to regenerate the sorbent. The author discusses several topics, including: strategies for reactivation of natural limestones, Ca-based sorbents from synthetic precursors, the use of nanomaterials, the performance of sorbents under harsh calcination conditions, SO2/CO2 capture efficiency and physical methods to enhance CO2 capture performance.
(Featured on the inside front cover of Issue 3 of J. Mater. Chem. A)
Ca-based synthetic materials with enhanced CO2 capture efficiency
J. Mater. Chem. A, 2013, 1, 447-468. DOI: 10.1039/c2ta00096b (free to read for a short time)
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