2020
DOI: 10.1021/acsomega.0c04157
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Calcium Looping: On the Positive Influence of SO2 and the Negative Influence of H2O on CO2 Capture by Metamorphosed Limestone-Derived Sorbents

Abstract: The CO 2 capture performance of sorbents derived from three distinct limestones, including a metamorphosed limestone, is studied under conditions relevant for calcium looping CO 2 capture from power plant flue gas. The combined and individual influence of flue gas H 2 O and SO 2 content, the influence of textural changes caused by sequential calcination/carbonation cycles, and the impact of CaSO 4 … Show more

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Cited by 6 publications
(12 citation statements)
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“… 36 Nonetheless, Homsy et al has recently pointed out that this effect is by no means universal to all CaO-based sorbents but would ultimately depend on the calcium precursor’s microstructure. 35 …”
Section: Introductionmentioning
confidence: 99%
“… 36 Nonetheless, Homsy et al has recently pointed out that this effect is by no means universal to all CaO-based sorbents but would ultimately depend on the calcium precursor’s microstructure. 35 …”
Section: Introductionmentioning
confidence: 99%
“…The influence of steam on carbonation efficiency was also investigated by Manovic et al and Donat et al, who attributed the enhanced carbonation to an improvement of solid-state diffusion in the product layer. , In the current study, Saabar seems to be less positively influenced by steam addition when compared to Rheinkalk and Riyadh. As postulated by Homsy et al in a recent publication, metamorphosed Saabar presents large, relatively pure, and highly crystalline monomineralic CaCO 3 grains . Such morphologic structure is responsible for the evolution of relatively narrow uniform pores and high-purity crystalline CaO with low overall porosity upon calcination.…”
Section: Results and Discussionmentioning
confidence: 55%
“…The particle size distribution of each limestone ranged between 100 and 400 μm and was measured using a Malvern Mastersizer 3000 equipped with an Aero S dry particle dispersion unit. A detailed morphological characterization of these three sorbents is presented elsewhere …”
Section: Methodology and Validationmentioning
confidence: 99%
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