Colloidal processing and CO2 capture performance of sacrificially templated zeolite monoliths

被引：52

作者：

Akhtar, Farid ^{[1
]}

Andersson, Linnea

Keshavarzi, Neda

Bergstrom, Lennart

机构：

[1] Stockholm Univ, Dept Mat & Environm Chem, S-10691 Stockholm, Sweden

来源：

APPLIED ENERGY | 2012年 / 97卷

关键词：

Porous; Zeolite; Colloidal processing; Adsorbent; CO2; capture; Sacrificial templating; CARBON-DIOXIDE; SWING ADSORPTION; SEPARATION; STORAGE; GAS; 13X; OPTIMIZATION; STABILITY; NITROGEN; SORPTION;

D O I：

10.1016/j.apenergy.2011.12.064

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Sacrificial templating of suspension cast and subsequently thermally treated zeolite monoliths with glassy carbon spheres and fibers yielded zeolite 13X and silicalite-1 monoliths with macroporosities up to 50 vol%. Homogeneous distribution of the macroporosity in hierarchically porous monoliths was obtained by tailoring the surface chemistry of the carbon particles by polyelectrolyte-assisted adsorption of zeolite particles. The effect of amount of kaolin binder and temperature for the thermal treatment on the monoliths strength, surface area and CO2 uptake was studied by diametral compression tests, electron microscopy, X-ray diffraction and gas adsorption. Cyclic adsorption and regeneration measurements showed that zeolite 13X monoliths display a high CO2 uptake while the silicalite-1 monoliths could be regenerated with a relatively low energy penalty. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：289 / 296

页数：8

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