Enhancement of CO2 adsorption on nanoporous chromium terephthalate (MIL-101) by amine modification

被引：77

作者：

Anbia, Mansoor ^{[1
]}

Hoseini, Vahid ^{[1
]}

机构：

[1] Iran Univ Sci & Technol, Fac Chem, Res Lab Nanoporous Mat, Tehran 16846, Iran

来源：

JOURNAL OF NATURAL GAS CHEMISTRY | 2012年 / 21卷 / 03期

关键词：

CO2; adsorption; metal-organic framework; MIL-101; amine modification; pentaethylenehexamine (PEHA); METAL-ORGANIC FRAMEWORKS; HYDROGEN STORAGE; CARBON-DIOXIDE; GAS; CARBOXYLATE; ADSORBENTS; SEPARATION; CH4;

D O I：

10.1016/S1003-9953(11)60374-5

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Carbon dioxide (CO2) adsorption on a standard metal-organic framework MIL-101 and a pentaethylenehexamine modified MIL-101 (PEHA-MIL-101) are investigated and compared in this study. The adsorbent samples were characterized by XRD, FT-IR and nitrogen adsorption-desorption isotherms analysis. CO2 adsorption capacity was measured by a volumetric method. MIL-101 and PEHA-MIL-101 exhibited CO2 adsorption capacities of 0.85 and 1.3 mmol(CO2)/g(adsorbent) at 10 bar and 298 K, respectively. It is observed that CO2 adsorption capacity was fairly improved about 50% after aminemodification.

引用

页码：339 / 343

页数：5

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