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Open AccessCommunication
Materials 2017, 10(8), 901; doi:10.3390/ma10080901

Organosilica Membrane with Ionic Liquid Properties for Separation of Toluene/H2 Mixture

1
Division of Chemical Engineering, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
2
Department of Chemistry and Biomolecular Science, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
*
Author to whom correspondence should be addressed.
Received: 10 June 2017 / Revised: 1 August 2017 / Accepted: 2 August 2017 / Published: 3 August 2017
(This article belongs to the Section Porous Materials)
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Abstract

In this study, we present a new concept in chemically stabilized ionic liquid membranes: an ionic liquid organosilica (ILOS) membrane, which is an organosilica membrane with ionic liquid-like properties. A silylated ionic liquid was used as a precursor for synthesis. The permselectivity, permeation mechanism, and stability of the membrane in the H2/toluene binary system were then compared with a supported ionic liquid membrane. The membrane showed a superior separation factor of toluene/H2 (>17,000) in a binary mixture system based on a solution–diffusion mechanism with improved durability over the supported ionic liquid membrane. View Full-Text
Keywords: organosilica membrane; ionic liquid; hydrogen purification; organic chemical hydride; hydrocarbon separation organosilica membrane; ionic liquid; hydrogen purification; organic chemical hydride; hydrocarbon separation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Hirota, Y.; Maeda, Y.; Yamamoto, Y.; Miyamoto, M.; Nishiyama, N. Organosilica Membrane with Ionic Liquid Properties for Separation of Toluene/H2 Mixture. Materials 2017, 10, 901.

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