Synthesis of Micro-Mesoporous Composites MCM-41/13X and Their Application on CO2 Adsorption: Experiment and Modeling

被引：27
|
作者：
Ji, Changchun [1 ,2 ]
Zhang, Li [1 ,2 ]
Li, Lei [1 ]
Li, Feng [1 ]
Xiao, Fukui [1 ,3 ]
Zhao, Ning [1 ,3 ]
Wei, Wei [4 ]
Chen, Yanjun [5 ]
Wu, Feng [5 ]
机构：
[1] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Natl Engn Res Ctr Coal Based Synth, Taiyuan 030001, Shanxi, Peoples R China
[4] Chinese Acad Sci, Shanghai Adv Res Inst, Ctr Greenhouse Gas & Environm Engn, Shanghai 201203, Peoples R China
[5] Feicheng Acid Chem Corp Ltd, Feicheng 271600, Peoples R China
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2016年 / 55卷 / 29期
基金：
中国国家自然科学基金;
关键词：
PORE-EXPANDED MCM-41; CARBON-DIOXIDE; MIXED OXIDES; CAPTURE; SILICA; ZEOLITES; REMOVAL; OVERGROWTH; SEPARATION; ISOTHERMS;
D O I：
10.1021/acs.iecr.5b04105
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Two micromesoporous composites of MCM-41/13X are synthesized through a two-step crystallization process and a one-step crystallization process, respectively. The results of X-ray diffraction, nitrogen adsorption-desorption isotherms, Fourier transform infrared spectroscopy, and transmission electron microscopy results show that the as-prepared samples possessed both micropores and mesopores. The materials take advantage of not only the large adsorption capacity and thermal stability of the microporous material, but also the rapid diffusion and mass transfer of mesoporous materials, which lead to improve CO, adsorption capacities compared to the pure microporous or mesoporous materials.
引用
收藏
页码：7853 / 7859
页数：7
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