biostudies-literatureGupta NKKorea Institute of Construction Technology4890-4900https://www.ebi.ac.uk/biostudies/studies/S-EPMC8694540biostudies-literatureUnknown11(9)Three copper-based metal-organic frameworks (MOFs) with different organic linkers were synthesized for the removal of H₂S gas at room temperature. The synthesized MOFs were characterized by microscopic and spectroscopic techniques to understand their structural, functional, and optical properties. The H₂S adsorption capacity of MOFs calculated by column studies followed the trend: 105.6 mg g^-1 (CuBDC) > 27.1 mg g^-1 (CuBTC) > 1.3 mg g^-1 (CuBDC-N) in dry conditions. The adsorption capacity increased in moist conditions due to an easy dissolution and dissociation of H₂S in a film of water. X-ray photoelectron spectroscopy confirmed the presence of sulfur bound to Cu-sites and sulfate ions. The spent MOFs were regenerated by theRSC advancesChemisorption of hydrogen sulfide over copper-based metal-organic frameworks: methanol and UV-assisted regeneration.PMC869454020200451-001Kim SGupta NKKim KSBae JfalseChemisorption of hydrogen sulfide over copper-based metal-organic frameworks: methanol and UV-assisted regeneration.Three copper-based metal-organic frameworks (MOFs) with different organic linkers were synthesized for the removal of H₂S gas at room temperature. The synthesized MOFs were characterized by microscopic and spectroscopic techniques to understand their structural, functional, and optical properties. The H₂S adsorption capacity of MOFs calculated by column studies followed the trend: 105.6 mg g^-1 (CuBDC) > 27.1 mg g^-1 (CuBTC) > 1.3 mg g^-1 (CuBDC-N) in dry conditions. The adsorption capacity increased in moist conditions due to an easy dissolution and dissociation of H₂S in a film of water. X-ray photoelectron spectroscopy confirmed the presence of sulfur bound to Cu-sites and sulfate ions. The spent MOFs were regenerated by the2021-01-01T00:00:00Z2021 Jan2025-04-22T22:02:46.789Z2025-04-06T03:56:13.184ZS-EPMC86945403542445010.1039/d0ra09017d