gyroidal nanoporous carbons - adsorption and separation properties explored using computer simulations

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ID: 133698
2016
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Abstract
Adsorption and separation properties of gyroidal nanoporous carbons (GNCs) - a new class of exotic nanocarbon materials are studied for the first time using hyper parallel tempering Monte Carlo Simulation technique. Porous structure of GNC models is evaluated by the method proposed by Bhattacharya and Gubbins. All the studied structures are strictly microporous. Next, mechanisms of Ar adsorption are described basing on the analysis of adsorption isotherms, enthalpy plots, the values of Henry’s constants, α_{s} and adsorption potential distribution plots. It is concluded that below pore diameters ca. 0.8 nm, primary micropore filling process dominates. For structures possessing larger micropores, primary and secondary micropore filling mechanism is observed. Finally, the separation properties of GNC toward CO_{2}/CH_{4}, CO_{2}/N_{2}, and CH_{4}/N_{2} mixtures are discussed and compared with separation properties of Virtual Porous Carbon models. GNCs may be considered as potential adsorbents for gas mixture separation, having separation efficiency similar or even higher than activated carbons with similar diameters of pores.
Reference Key
furmaniak2016condensedgyroidal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;S. Furmaniak;P.A. Gauden;A.P. Terzyk;P. Kowalczyk
Journal conference on human factors in computing systems - proceedings
Year 2016
DOI
10.5488/CMP.19.13003
URL
http://dx.doi.org/10.5488/CMP.19.13003
Keywords
adsorption monte carlo simulationsphysics

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