Synthesis and Characterization of Nanoporous Carbon Mg-MOF-C and Carbon Dioxide Adsorption Performance

A porous carbon material (Mg-MOF-C) was prepared by carbonization in the N 2 atmosphere using Mg-MOF-74 as the precursor. Physicochemical properties of Mg-MOF-C materials were well characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FIRT), Thermogravimetric analyzer (TG), transmission electron microscope (TEM), energy dispersive spectrometer (EDS), N 2 adsorption/desorption isotherms (BET) and EDS. The adsorption properties of the products were studied Mg-MOF-C has a high specific surface area of up to 1739.29 m 2 /g, and the pore volume of micropores was 0.98 m 3 /g. Besides, 95% of the first adsorption is retained after five cycles. The adsorption processes agreed well with the pseudo-second-order kinetic model and Langmuir isotherm model.