2016
DOI: 10.1039/c6ra15785h
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Characteristics and performance of CaO-based high temperature CO2 sorbents derived from a sol–gel process with different supports

Abstract: 10 CaO-based sorbents were synthesized by a sol–gel process supported with various materials, and their cyclic behavior was investigated under the same reaction conditions.

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Cited by 79 publications
(45 citation statements)
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“…. The carbonation of CaO commonly includes a chemical reaction‐controlled stage and a product layer diffusion‐controlled stage . The reaction process was initiated by a fast reaction‐controlled stage, followed by a slower product layer diffusion‐controlled stage.…”
Section: Resultsmentioning
confidence: 99%
“…. The carbonation of CaO commonly includes a chemical reaction‐controlled stage and a product layer diffusion‐controlled stage . The reaction process was initiated by a fast reaction‐controlled stage, followed by a slower product layer diffusion‐controlled stage.…”
Section: Resultsmentioning
confidence: 99%
“…Para o material sintetizado via solgel observou-se um aumento na capacidade de captura até o terceiro ciclo e, a partir deste ponto, a capacidade de captura de CO 2 começou a diminuir. Os resultados encontrados na literatura (Lee et al, 2015;Xu et al, 2016) indicam que a captura de CO 2 utilizando CaO diminuiu com os ciclos, o que está de acordo com os resultados apresentados neste trabalho. Para o material impregnado com alumina observa-se um um crescimento gradual na capacidade de captura até o terceiro ciclo, sendo que a capacidade de captura de CO2 permanece praticamente constante nos demais ciclos.…”
Section: Resultados E Discussõesunclassified
“…De fato, vários autores (Lee et al, 2015;Xu et al, 2016) tem reportado a perda de atividade de materiais a base de cálcio devido a Figura 1 -Capacidade de captura de CO 2 do CaO preparado pelo método sol gel em função do número de ciclos.…”
Section: Resultados E Discussõesunclassified
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