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Open AccessReview

Recent Advances in Graphene Oxide Membranes for Gas Separation Applications

1
Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, 1206 West Green Street, Urbana, IL 61801, USA
2
Illinois State Geological Survey, Prairie Research Institute, University of Illinois at Urbana-Champaign, 615 East Peabody Drive, Champaign, IL 61820, USA
*
Author to whom correspondence should be addressed.
Current address: Brazeway LLC, 2711 E Maumee St., Adrian, MI 49221, USA.
Int. J. Mol. Sci. 2019, 20(22), 5609; https://doi.org/10.3390/ijms20225609 (registering DOI)
Received: 19 September 2019 / Revised: 5 November 2019 / Accepted: 7 November 2019 / Published: 9 November 2019
(This article belongs to the Special Issue Carbon-Based Nanomaterials)
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 CO2, H2, and hydrocarbon separation. Finally, we provide recommendations for the development of high-performance GO membranes for gas separation applications. View Full-Text
Keywords: membrane; gas separation; graphene oxide; hydrocarbon separation; gas purification membrane; gas separation; graphene oxide; hydrocarbon separation; gas purification
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MDPI and ACS Style

Alen, S.K.; Nam, S.; Dastgheib, S.A. Recent Advances in Graphene Oxide Membranes for Gas Separation Applications. Int. J. Mol. Sci. 2019, 20, 5609.

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