Related data of the article "Preparation and CO2/N2 Separation Performance of Multi porous Ni-MOF-74/Diatomaceous Earth Composite Materials"

The data content corresponds to Figure 1-8 and supplementary charts in the paper, covering the preparation, structural characterization, CO2/N2 adsorption and separation performance, cycling stability, mass transfer kinetics, and adsorption mechanism analysis of Ni-MOF-74/DE composite materials.

Among them, Figure 1 is a schematic diagram of the preparation process of Ni-MOF-74/DE composite material; Figure 2 contains XRD, FTIR, TG, and N2 adsorption desorption isotherm data for DE, Ni-MOF-74, and Ni-MOF-74/DE; Figure 3 shows the SEM morphology and EDS elemental distribution data of the sample; Figure 4 shows the XPS full spectrum and high-resolution spectra of C1s, O1s, and Ni2p of the sample. Figure 5 shows CO2 adsorption data under different metal centers and preparation conditions, as well as CO2/N2 static adsorption desorption isotherms and dynamic breakthrough curves; Figure 6 includes CO2/N2 adsorption isotherm fitting, IAST selectivity, literature performance comparison, and CO2 equivalent adsorption heat data; Figure 7 contains data on CO2 adsorption desorption cycle stability, adsorption kinetics fitting, CO2/N2 competitive adsorption, and ZLC mass transfer analysis; Figure 8 contains in-situ DRIFTS spectral data at different adsorption times and temperatures.