Synthesis, characterization, and high temperature CO2 capture of new CaO based hollow sphere sorbents

被引：73
|
作者：
Liu, Fa-Qian [1 ]
Li, Wei-Hua [2 ]
Liu, Bao-Cheng [1 ]
Li, Rong-Xun [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Engn Res Ctr High Performance Polymer & Molding T, Minist Educ, Qingdao 266042, Shandong, Peoples R China
[2] Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Shandong, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2013年 / 1卷 / 27期
关键词：
CARBON-DIOXIDE CAPTURE; CALCIUM-OXIDE; HYDROGEN-PRODUCTION; PRODUCT LAYER; CAPACITY; REACTIVITY; ARRAYS;
D O I：
10.1039/c3ta11369h
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
New mesoscopic hollow sphere sorbents composed of CaO/Ca12Al14O33 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 CO2 sorbents have large specific surface areas, fast adsorption kinetics, significantly improved CO2 adsorption capacity and cyclic reaction stability. This method opens up new opportunities in the development of high performance next-generation high temperature CO2 sorbents.
引用
收藏
页码：8037 / 8044
页数：8
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