Recent Advances in Graphene Oxide Membranes for Gas Separation Applications

Graphene oxide (GO) can dramatically enhance the gas separation performance of membrane technologies beyond the limits of conventional membrane materials in terms of both permeability and selectivity. Graphene oxide membranes can allow extremely high fluxes because of their ultimate thinness and uni...

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Bibliographic Details
Published in:International journal of molecular sciences 2019-11, Vol.20 (22), p.5609
Main Authors: Alen, Saif Khan, Nam, SungWoo, Dastgheib, Seyed A
Format: Article
Language:English
Subjects:
Capillaries
Capital costs
Carbon Dioxide - analysis
Carbon Dioxide - isolation & purification
Defects
Diffusion
gas purification
Gas separation
Gases
Gases - analysis
Gases - isolation & purification
Graphene
graphene oxide
Graphite - chemistry
Humidity
hydrocarbon separation
Hydrocarbons - analysis
Hydrocarbons - isolation & purification
Hydrogen - analysis
Hydrogen - isolation & purification
Interlayers
Laminates
membrane
Membrane separation
Membranes
Membranes, Artificial
Nanocomposites
Permeability
Pore size
Porosity
Review
Selectivity
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Summary:Graphene oxide (GO) can dramatically enhance the gas separation performance of membrane technologies beyond the limits of conventional membrane materials in terms of both permeability and selectivity. Graphene oxide membranes can allow extremely high fluxes because of their ultimate thinness and unique layered structure. In addition, their high selectivity is due to the molecular sieving or diffusion effect resulting from their narrow pore size distribution or their unique surface chemistry. In the first part of this review, we briefly discuss different mechanisms of gas transport through membranes, with an emphasis on the proposed mechanisms for gas separation by GO membranes. In the second part, we review the methods for GO membrane preparation and characterization. In the third part, we provide a critical review of the literature on the application of different types of GO membranes for CO , H , and hydrocarbon separation. Finally, we provide recommendations for the development of high-performance GO membranes for gas separation applications.
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms20225609