Synthesis and characterization of zeolitic imidazolate framework ZIF-7 for CO2 and CH4 separation

- Comprehensive characterization of ZIF-7 sample with various analytical methods.
- Adsorption equilibrium and kinetics of CO2 and CH4 at three temperatures.
- Thermodynamic analysis of gate-opening mechanism of ZIF-7 upon CO2 up to 10 bar and 373 K.
- Calculation of adsorptive separation selectivities of CO2/CH4 based on single pure gas adsorption data.