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Ethylenediamine Modified Light Metal Aluminum-Metal-Organic Framework Material for CO2/CH4 Separation
Author NameAffiliationE-mail
ZHANG Fei-Fei College of Chemistry and Chemical Engineering, Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, China  
SHANG Hua College of Chemistry and Chemical Engineering, Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, China  
YANG Jing-Feng College of Chemistry and Chemical Engineering, Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, China yangjiangfeng@tyut.edu.cn 
OUYANG Kun College of Chemistry and Chemical Engineering, Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, China  
LI Jin-Ping College of Chemistry and Chemical Engineering, Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, China  
Abstract: Amine molecule plays a role of improving selectivity on the CO2 capture. Small size ethylenediamine molecules were selected to modify the light metal Al-based metal-organic framework (MOFs) MIL-100Al with unsaturated metal sites in this work, the structure of the materials was characterized by XRD, N2 adsorption and FT-IR. The adsorption properties of MIL-100Al modified with different concentrations of ethylenediamine on CO2 and CH4 were tested. Compared with the original MIL-100Al sample, the amount of CO2 adsorbed by MIL-100Al modified with ethylenediamine is significantly improved, while CH4 adsorption decreases. The CO2/CH4 adsorption selectivity of the material therefor is further improved, and the performance of adsorption separation is enhanced.
Keywords: light metal  modified  adsorption  CO2  CH4
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ZHANG Fei-Fei,SHANG Hua,YANG Jing-Feng,OUYANG Kun,LI Jin-Ping.Ethylenediamine Modified Light Metal Aluminum-Metal-Organic Framework Material for CO2/CH4 Separation[J].Chinese Journal of Inorganic Chemistry,2017,33(9):1611-1617.
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Chinese Journal of Inorganic Chemistry