Abstract
Hydrogen adsorption on model microporous adsorbents with slit-shaped pores was calculated on the basis of Dubinin’s theory of volumetric filling of micropores using the property of linearity of adsorption isosters. Model adsorbents with micropore widths of 0.5, 0.9, and 1.2 nm obtained by the successive exclusion of one, two, and three layers of hexagonal carbon in the crystalline lattice of graphite were used. Hydrogen adsorption was calculated in the structures with single-layer and two-layer carbon walls at temperatures 20, 33, 77, 200, 300, and 400 K and pressures up to 20 MPa. The maximal hydrogen desorption for the AU structure (1:3) with the pressure drop from 20 to 0.1 MPa was 8 wt.% at 200K. The parameters of the porous adsorbent structure were calculated.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 4, pp. 691–696, April, 2009.
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Fomkin, A.A., Sinitsyn, V.A. Hydrogen adsorption on model adsorbents from the viewpoint of the theory of volumetric filling of micropores. Russ Chem Bull 58, 706–711 (2009). https://doi.org/10.1007/s11172-009-0081-8
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DOI: https://doi.org/10.1007/s11172-009-0081-8