Abstract
Carbon microporous adsorbents obtained on the basis of polymers are promising adsorbents for the tasks of adsorption storage of natural gas due to the possibility of creating a precise porous structure, as well as optimal mechanical characteristics. A study of the adsorption of methane in a carbon adsorbent based on a composite polymer of furfural and epoxy resin in the temperature range from 178 to 360 K and pressures up to 25 MPa has been carried out. The thermodynamic functions of the adsorption system—the differential molar isosteric and integral heats of adsorption, as well as the isosteric entropy, enthalpy, and heat capacity of the system are calculated. The obtained thermodynamic functions are of fundamental importance in the analysis of the properties of nanodispersed adsorbate in the micropores of the adsorbent, and can also be used as input data in modeling the thermodynamic states of experimental systems for methane storage and transportation.
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Men’shchikov, I.E., Fomkin, A.A. & Shkolin, A.V. Thermodynamics of Methane Adsorption in a Microporous Carbon Adsorbent Prepared From Polymer Composition. Prot Met Phys Chem Surf 57, 883–889 (2021). https://doi.org/10.1134/S2070205121050191
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DOI: https://doi.org/10.1134/S2070205121050191