2012
DOI: 10.1016/j.fuel.2011.10.011
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Investigation of a stable synthetic sol–gel CaO sorbent for CO2 capture

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Cited by 97 publications
(63 citation statements)
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“…Bandi et al [32] [33][34][35], Ca(OH) 2 [35][36][37] sized CaO/CaCO 3 [39,42,[44][45][46][47][48][49], with the aim of providing a CaO and macroporous structure, high specific surface area, large pore volume, and small particle size (Table 1) For porous CaO with critical particle size less than 44 nm or a large single CaO crystal with critical crystal size less than 220 nm, the carbonation reaction completes within the fast kinetically-controlled regime and the slow solid-state diffusion controlled regime does not exist [47,50]. Therefore, different research groups studied nano-sized CaO and CaCO 3 as calcium precursors [39,42,[44][45][46][47][48][49]. All of these studies show that nano-sized sorbents possess much better CO 2 capture activity in comparison to micro-sized CaO.…”
Section: Cao-based Sorbentsmentioning
confidence: 99%
“…Bandi et al [32] [33][34][35], Ca(OH) 2 [35][36][37] sized CaO/CaCO 3 [39,42,[44][45][46][47][48][49], with the aim of providing a CaO and macroporous structure, high specific surface area, large pore volume, and small particle size (Table 1) For porous CaO with critical particle size less than 44 nm or a large single CaO crystal with critical crystal size less than 220 nm, the carbonation reaction completes within the fast kinetically-controlled regime and the slow solid-state diffusion controlled regime does not exist [47,50]. Therefore, different research groups studied nano-sized CaO and CaCO 3 as calcium precursors [39,42,[44][45][46][47][48][49]. All of these studies show that nano-sized sorbents possess much better CO 2 capture activity in comparison to micro-sized CaO.…”
Section: Cao-based Sorbentsmentioning
confidence: 99%
“…Various CaO-based sorbents were produced using the SGCS method, such as CaO/La 2 O 3 [8] and CaO/Ca 12 Al 14 O 33 [18] with satisfactory CO 2 capture capacity over the multiple cycles. Recently, extended duration over the 80 calcination/carbonation cycles was conducted by Santos et al [20] and verified that SGCS-made CaO sorbent was greatly reactive and resistant to sintering. But in comparison with citric acid as fuel in SGCS, urea was more competitive and advantageous for its ready availability, high exothermicity and effective complexation ability [19].…”
Section: Introductionmentioning
confidence: 92%
“…Santos et al (2012) estudaram a captura de CO 2 utilizando carbonato de cálcio comercial e o óxido de cálcio sintetizado pelo método sol-gel. No primeiro ciclo de reações, o carbonato de cálcio comercial alcançou cerca de 45% de captura de CO 2 e os óxidos de cálcio sintetizados pelo método sol-gel, alcançaram cerca de 55%.…”
Section: Capacidade De Capturaunclassified