Dynamic carbon dioxide uptake capacity of metal organic framework using thermogravimetrical evaluation at different CO2 pressure

被引：5
|
作者：
Mabokela, Tumisho E. [1 ]
Somo, Thabang R. [1 ]
Maponya, Thabiso C. [1 ]
Hato, Mpitloane J. [1 ]
Makhado, Edwin [1 ]
Makgopa, Katlego [2 ]
Modibane, Kwena D. [1 ]
机构：
[1] Univ Limpopo Turfloop, Sch Phys & Mineral Sci, Dept Chem, Nanotechnol Res Lab, ZA-0727 Polokwane, Sovenga, South Africa
[2] Tshwane Univ Technol, Dept Chem, Fac Sci, Arcadia Campus, ZA-0001 Pretoria, South Africa
来源：
MATERIALS LETTERS | 2022年 / 317卷
基金：
新加坡国家研究基金会; 芬兰科学院;
关键词：
Absorption kinetics; Adsorption isotherms; CO2; capture; Metal-organic framework; ADSORPTION;
D O I：
10.1016/j.matlet.2022.132086
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Herein, we present the uptake capacity of CO2 by the metal organic framework (MOF) using simultaneous thermal analysis (STA) coupled with Fourier transform infrared spectroscopy (FTIR) interphase. The obtained data fitted well with the pseudo-second-order and Langmuir models. MOF had the highest adsorption capacity of 125 mg/g at 25 degrees C and 2.1 bar pressure. Comprehensive regenerability and structural stability of MOF were tested over several sorption cycles and further confirmed by time-based absorbance on FTIR to have a good agreement with the absorption capacity. Therefore, it was seen that the combined intrinsic properties of the MOF make it a promising CO2 adsorbent for industrial applications.
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页数：5
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