Synthesis, characterization, and high temperature CO sub(2) capture of new CaO based hollow sphere sorbents

New mesoscopic hollow sphere sorbents composed of CaO/Ca sub(12)Al sub(14)O sub(33) with tunable cavity size are successfully synthesized using sulfonated polystyrene (PS) as hard template. The monodispersed hollow nanostructure provides the void space that can buffer against the large volume change...

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Published inJournal of materials chemistry. A, Materials for energy and sustainability Vol. 1; no. 27; pp. 8037 - 8044
Main Authors Liu, Fa-Qian, Li, Wei-Hua, Liu, Bao-Cheng, Li, Rong-Xun
Format Journal Article
LanguageEnglish
Published 01.06.2013
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Summary:New mesoscopic hollow sphere sorbents composed of CaO/Ca sub(12)Al sub(14)O sub(33) with tunable cavity size are successfully synthesized using sulfonated polystyrene (PS) as hard template. The monodispersed hollow nanostructure provides the void space that can buffer against the large volume change during the carbonation/calcination cycles. The as-prepared high temperature CO sub(2) sorbents have large specific surface areas, fast adsorption kinetics, significantly improved CO sub(2) adsorption capacity and cyclic reaction stability. This method opens up new opportunities in the development of high performance next-generation high temperature CO sub(2) sorbents.
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ISSN:2050-7488
2050-7496
DOI:10.1039/c3ta11369h