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Abstract A hms-type microporous metal-organic framework, {[Ca3(NTB)2(H2O)2]·NMF·4NMP·4H2O}n (Ca-MOF, H3NTB = 4,4',4''-nitrilotrisbenzoic acid, NMF = N-methyl formamide, NMP = N-methyl-2-pyrrolidone), was solvothermal synthesized. Desolvated Ca-MOF shows relatively high C2 hydrocarbons and… Click to show full abstract
Abstract A hms-type microporous metal-organic framework, {[Ca3(NTB)2(H2O)2]·NMF·4NMP·4H2O}n (Ca-MOF, H3NTB = 4,4',4''-nitrilotrisbenzoic acid, NMF = N-methyl formamide, NMP = N-methyl-2-pyrrolidone), was solvothermal synthesized. Desolvated Ca-MOF shows relatively high C2 hydrocarbons and CO2 storage capacity at 298 K and 1 atm (C2H2: 107.0 cm3 g–1, C2H4: 79.0 cm3 g–1, C2H6: 99.2 cm3 g–1, CO2: 65.9 cm3 g–1), and a lower CH4 adsorption uptake (14.6 cm3 g–1). Its ideal adsorbed solution theory (IAST)-predicted selectivities of C2 hydrocarbons and CO2 over CH4 range from 5.67 to 10.0 at room temperature, indicating its potential for separation of C2 hydrocarbons and CO2 from CH4.
Journal Title: Polyhedron
Year Published: 2021
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