Journal article
Gyroidal nanoporous carbons - Adsorption and separation properties explored using computer simulations
Condensed Matter Physics, Vol.19(1)
2016
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, αs 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 CO2/CH4, CO2/N2, and CH4/N2 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.
Details
- Title
- Gyroidal nanoporous carbons - Adsorption and separation properties explored using computer simulations
- Authors/Creators
- S. Furmaniak (Author/Creator)P.A. Gauden (Author/Creator)A.P. Terzyk (Author/Creator)P. Kowalczyk (Author/Creator)
- Publication Details
- Condensed Matter Physics, Vol.19(1)
- Publisher
- Institute for Condensed Matter Physics
- Identifiers
- 991005543008607891
- Murdoch Affiliation
- School of Engineering and Information Technology
- Language
- English
- Resource Type
- Journal article
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