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Amino-modified Mg-MOF-74: Synthesis, characterization and CO₂ adsorption performance
Xiaoying Lin,Weipeng Zeng,Minyi Liu,Qinhua Zhong,Ting Su,Linzhu Gong,Yamin Liu 대한환경공학회 2023 Environmental Engineering Research Vol.28 No.1
Based on the solvothermal method to synthesize Mg-MOF-74, the amino-functionalized Mg-MOF-nNH₂ was prepared through addition of amino-containing ligands. Physicochemical properties of Mg-MOF-nNH₂ materials were well characterized by Powder X-ray diffraction (PXRD), Scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FT-IR), N₂ adsorption/desorption isotherms (BET). The adsorption properties of the resulting materials were studied for CO₂. In all the samples, the micropore volume of Mg-MOF-1/8NH₂ was 0.46 ㎤ g<SUP>−1</SUP> and the specific surface area was 924.19㎡ g<SUP>−1</SUP>, the highest CO₂ saturated adsorption capacity was 3.9 mmol g<SUP>−1</SUP>, and the dynamic adsorption capacity was 1.27 mmol g<SUP>−1</SUP>. The adsorption processes agreed well with the Langmuir isotherm and Avrami model.
Amino-modified Mg-MOF-74: Synthesis, characterization and CO2 adsorption performance
Xiaoying Lin,Weipeng Zeng,Minyi Liu,Qinhua Zhong,Ting Su,Linzhu Gong,Yamin Liu 대한환경공학회 2023 Environmental Engineering Research Vol.28 No.1
Based on the solvothermal method to synthesize Mg-MOF-74, the amino-functionalized Mg-MOF-nNH2 was prepared through addition of amino-containing ligands. Physicochemical properties of Mg-MOF-nNH2 materials were well characterized by Powder X-ray diffraction (PXRD), Scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FT-IR), N2 adsorption/desorption isotherms (BET). The adsorption properties of the resulting materials were studied for CO2. In all the samples, the micropore volume of Mg-MOF-1/8NH2 was 0.46 cm3 g−1 and the specific surface area was 924.19m2 g−1, the highest CO2 saturated adsorption capacity was 3.9 mmol g−1, and the dynamic adsorption capacity was 1.27 mmol g−1. The adsorption processes agreed well with the Langmuir isotherm and Avrami model.
Lin Xiaoying,Zeng Weipeng,Chen Yilan,Su Ting,Zhong Qinhua,Gong Linzhu,Liu Yamin 한국탄소학회 2022 Carbon Letters Vol.32 No.3
A porous-carbon material UiO-66-C was prepared from metal–organic frameworks UiO-66 by carbonization in inert gas atmosphere. Physicochemical properties of UiO-66-C materials were well characterized by Powder X-ray diffraction (PXRD), Scanning electron microscope (SEM), Fourier-transform infrared spectroscopy (FT-IR), Raman spectrometer, N2 adsorption/desorption isotherms (BET), and the adsorption properties of the products were studied UiO-66-C has a high specific surface area up to 1974.17 m2/g. Besides, the adsorption capacity of tetracycline could reach 678.19 mg/g, the adsorption processes agreed well with the pseudo-second-order kinetic model and Langmuir isotherm model.