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논문 기본 정보

자료유형
동향자료
저자정보
Fatemi, S. Mahmood (Computational and Simulation Group, Nuclear Science and Technology Research Institute) Arabieh, Masoud (Computational and Simulation Group, Nuclear Science and Technology Research Institute) Sepehrian, Hamid (Computational and Simulation Group, Nuclear Science and Technology Research Institute)
저널정보
한국탄소학회 Carbon letters Carbon letters 제16권 제3호
발행연도
2015.1
수록면
183 - 191 (9page)

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Gas transport through graphene-derived membranes has gained much interest recently due to its promising potential in filtration and separation applications. In this work, we explore Kr-85 gas radionuclide sequestration from natural air in nanoporous graphene oxide membranes in which different sizes and geometries of pores were modeled on the graphene oxide sheet. This was done using atomistic simulations considering mean-squared displacement, diffusion coefficient, number of crossed species of gases through nanoporous graphene oxide, and flow through interlayer galleries. The results showed that the gas features have the densest adsorbed zone in nanoporous graphene oxide, compared with a graphene membrane, and that graphene oxide was more favorable than graphene for Kr separation. The aim of this paper is to show that for the well-defined pore size called P-7, it is possible to separate Kr-85 from a gas mixture containing Kr-85, O<sub>2</sub> and N<sub>2</sub>. The results would benefit the oil industry among others.

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