LU Xue-ting, PU Yan-feng, LI Lei, ZHAO Ning, WANG Feng, XIAO Fu-kui. Preparation of metal-organic frameworks Cu3(BTC)2 with amino-functionalization for CO2 adsorption[J]. Journal of Fuel Chemistry and Technology, 2019, 47(3): 338-343.
Citation: LU Xue-ting, PU Yan-feng, LI Lei, ZHAO Ning, WANG Feng, XIAO Fu-kui. Preparation of metal-organic frameworks Cu3(BTC)2 with amino-functionalization for CO2 adsorption[J]. Journal of Fuel Chemistry and Technology, 2019, 47(3): 338-343.
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Preparation of metal-organic frameworks Cu3(BTC)2 with amino-functionalization for CO2 adsorption

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  • The metal-organic framework of Cu3(NH2BTC)2 was synthesized by solvothermal method with the prepared grafted amine-based trimesic acid as organic ligand. The synthesized adsorbent was characterized by XRD, N2 adsorption-desorption, thermogravimetry, FT-IR and in-situ FT-IR. The performance of the CO2 adsorption was studied by the breakthrough curve based on the fixed-bed reactor. The results showed that the amine groups had been successfully grafted into the skeleton of Cu3(BTC)2. The CO2 adsorption capacity of Cu3(NH2BTC)2 was improved to 1.41 mmol/g at 10 kPa and 50 ℃. The improvement of CO2 uptake might due to the effect of both the physical and chemical adsorption of CO2.
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