Experimental study demonstrates rapid carbon dioxide desorption in flexible metal-organic frameworks using induction heating and vacuum swing, highlighting efficient biogas upgrading pathways.
A major challenge in Cyclic Swing Separation using flexible adsorbents that have high equilibrium CO2 adsorption capacity is their very low‐pressure hysteresis that hinders efficient desorption. Mg‐Gallate MOF is such a flexible adsorbent that only begins to release CO2at its pore closing pressure at 0.08 bar and 30 °C, showing very slow and inefficient desorption in pressure or temperature swing. Therefore, a novel strategy is presented that combines state of art technique Magnetic Induction Heating with a vacuum swing for fast and efficient CO2desorption from flexible adsorbents at a moderately elevated temperature (70 °C).
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Maity et al. (2023) studied this question.
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