In general, high CO2 selectivity and regeneration of adsorbed CO2 with low energy consumption for porous materials is trade off system. We present the design of porous metal-organic frameworks (MOFs) which show reversible structural transformation via CO2 adsorption. The flexible nature of MOFs enables the high CO2 separation property with small chemical interaction, which contributes the low energy consumption of CO2 regeneration. We synthesized the ligand-base solid solution compounds of MOFs to control the flexibility, and the optimized structure showed high CO2 selectivity over CH4 and other gases. The selectivities were evaluated under both equilibrium and kinetic condition by the measurement of breakthrough curve.

Solid solution MOFs for CO<sub>2</sub> separation and regeneration with low energy consumption

248th National Meeting (2014)

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Solid solution MOFs for CO2 separation and regeneration with low energy consumption

Solid solution MOFs for CO₂ separation and regeneration with low energy consumption